SYMBOLCOMMON_NAMEaka. SYNONYMS
win.parallax (Back to overview)

Parallax RAT

aka: ParallaxRAT

Parallax is a Remote Access Trojan used by attackers to gain access to a victim's machine. It was involved in one of the many infamous "coronamalware" campaigns. Basically, the attackers abused the COVID-19 pandemic news to lure victims into opening themed emails spreading parallax.

References
2023-02-28UptycsUptycs Threat Research
@online{research:20230228:cryptocurrency:11d4475, author = {Uptycs Threat Research}, title = {{Cryptocurrency Entities at Risk: Threat Actor Uses Parallax RAT for Infiltration}}, date = {2023-02-28}, organization = {Uptycs}, url = {https://www.uptycs.com/blog/cryptocurrency-entities-at-risk-threat-actor-uses-parallax-rat-for-infiltration}, language = {English}, urldate = {2023-03-04} } Cryptocurrency Entities at Risk: Threat Actor Uses Parallax RAT for Infiltration
Parallax RAT
2022-02-15Threat PostElizabeth Montalbano
@online{montalbano:20220215:ta2541:7e201a7, author = {Elizabeth Montalbano}, title = {{TA2541: APT Has Been Shooting RATs at Aviation for Years}}, date = {2022-02-15}, organization = {Threat Post}, url = {https://threatpost.com/ta2541-apt-rats-aviation/178422/}, language = {English}, urldate = {2022-02-17} } TA2541: APT Has Been Shooting RATs at Aviation for Years
AsyncRAT Houdini NetWire RC Parallax RAT
2022-02-15BleepingComputerIonut Ilascu
@online{ilascu:20220215:unskilled:1bf1eb3, author = {Ionut Ilascu}, title = {{Unskilled hacker linked to years of attacks on aviation, transport sectors}}, date = {2022-02-15}, organization = {BleepingComputer}, url = {https://www.bleepingcomputer.com/news/security/unskilled-hacker-linked-to-years-of-attacks-on-aviation-transport-sectors/}, language = {English}, urldate = {2022-02-17} } Unskilled hacker linked to years of attacks on aviation, transport sectors
AsyncRAT Houdini NetWire RC Parallax RAT
2020-03-18MorphisecArnold Osipov
@online{osipov:20200318:parallax:fa4b01d, author = {Arnold Osipov}, title = {{Parallax: The new RAT on the block}}, date = {2020-03-18}, organization = {Morphisec}, url = {https://blog.morphisec.com/parallax-rat-active-status}, language = {English}, urldate = {2020-03-25} } Parallax: The new RAT on the block
Parallax RAT
2020-02-27Vitali Kremez
@online{kremez:20200227:lets:8b6f2b8, author = {Vitali Kremez}, title = {{Let’s Learn: Inside Parallax RAT Malware: Process Hollowing Injection & Process Doppelgänging API Mix: Part I}}, date = {2020-02-27}, url = {https://www.vkremez.com/2020/02/lets-learn-inside-parallax-rat-malware.html}, language = {English}, urldate = {2020-03-25} } Let’s Learn: Inside Parallax RAT Malware: Process Hollowing Injection & Process Doppelgänging API Mix: Part I
Parallax RAT
2020-02-13TalosNick Biasini, Edmund Brumaghin
@online{biasini:20200213:threat:443d687, author = {Nick Biasini and Edmund Brumaghin}, title = {{Threat actors attempt to capitalize on coronavirus outbreak}}, date = {2020-02-13}, organization = {Talos}, url = {https://blog.talosintelligence.com/2020/02/coronavirus-themed-malware.html}, language = {English}, urldate = {2020-03-19} } Threat actors attempt to capitalize on coronavirus outbreak
Emotet Nanocore RAT Parallax RAT
2020-02-13Bleeping ComputerLawrence Abrams
@online{abrams:20200213:parallax:9842604, author = {Lawrence Abrams}, title = {{Parallax RAT: Common Malware Payload After Hacker Forums Promotion}}, date = {2020-02-13}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/parallax-rat-common-malware-payload-after-hacker-forums-promotion/}, language = {English}, urldate = {2020-04-01} } Parallax RAT: Common Malware Payload After Hacker Forums Promotion
Parallax RAT
2020-02-11Twitter (@malwrhunterteam)MalwareHunterTeam
@online{malwarehunterteam:20200211:parallax:e157478, author = {MalwareHunterTeam}, title = {{Tweet on Parallax RAT}}, date = {2020-02-11}, organization = {Twitter (@malwrhunterteam)}, url = {https://twitter.com/malwrhunterteam/status/1227196799997431809}, language = {English}, urldate = {2020-02-13} } Tweet on Parallax RAT
Parallax RAT
Yara Rules
[TLP:WHITE] win_parallax_auto (20230125 | Detects win.parallax.)
rule win_parallax_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.parallax."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.parallax"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 681c800000 ff35???????? ff92e0010000 b800000000 5e 8be5 }
            // n = 6, score = 200
            //   681c800000           | push                0x801c
            //   ff35????????         |                     
            //   ff92e0010000         | call                dword ptr [edx + 0x1e0]
            //   b800000000           | mov                 eax, 0
            //   5e                   | pop                 esi
            //   8be5                 | mov                 esp, ebp

        $sequence_1 = { 6a02 e8???????? 83f801 751a 6a01 68???????? 6a73 }
            // n = 7, score = 200
            //   6a02                 | push                2
            //   e8????????           |                     
            //   83f801               | cmp                 eax, 1
            //   751a                 | jne                 0x1c
            //   6a01                 | push                1
            //   68????????           |                     
            //   6a73                 | push                0x73

        $sequence_2 = { 64ff3500000000 64892500000000 8b450c 3dff000000 }
            // n = 4, score = 200
            //   64ff3500000000       | push                dword ptr fs:[0]
            //   64892500000000       | mov                 dword ptr fs:[0], esp
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   3dff000000           | cmp                 eax, 0xff

        $sequence_3 = { 8bec 83c4e4 8b7510 8b7d08 c745fc00000000 66c745fa0000 66c745f80000 }
            // n = 7, score = 200
            //   8bec                 | mov                 ebp, esp
            //   83c4e4               | add                 esp, -0x1c
            //   8b7510               | mov                 esi, dword ptr [ebp + 0x10]
            //   8b7d08               | mov                 edi, dword ptr [ebp + 8]
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   66c745fa0000         | mov                 word ptr [ebp - 6], 0
            //   66c745f80000         | mov                 word ptr [ebp - 8], 0

        $sequence_4 = { 8b5508 03d0 eb01 4a 66833a5c 75f9 83c202 }
            // n = 7, score = 200
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   03d0                 | add                 edx, eax
            //   eb01                 | jmp                 3
            //   4a                   | dec                 edx
            //   66833a5c             | cmp                 word ptr [edx], 0x5c
            //   75f9                 | jne                 0xfffffffb
            //   83c202               | add                 edx, 2

        $sequence_5 = { ff5750 837e3c00 740b 6808020000 ff763c ff5750 5e }
            // n = 7, score = 200
            //   ff5750               | call                dword ptr [edi + 0x50]
            //   837e3c00             | cmp                 dword ptr [esi + 0x3c], 0
            //   740b                 | je                  0xd
            //   6808020000           | push                0x208
            //   ff763c               | push                dword ptr [esi + 0x3c]
            //   ff5750               | call                dword ptr [edi + 0x50]
            //   5e                   | pop                 esi

        $sequence_6 = { 6a02 ff524c 85c0 0f85a5000000 8b15???????? ff75f8 6a00 }
            // n = 7, score = 200
            //   6a02                 | push                2
            //   ff524c               | call                dword ptr [edx + 0x4c]
            //   85c0                 | test                eax, eax
            //   0f85a5000000         | jne                 0xab
            //   8b15????????         |                     
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   6a00                 | push                0

        $sequence_7 = { 0375fc 56 e8???????? 83c004 8bc8 }
            // n = 5, score = 200
            //   0375fc               | add                 esi, dword ptr [ebp - 4]
            //   56                   | push                esi
            //   e8????????           |                     
            //   83c004               | add                 eax, 4
            //   8bc8                 | mov                 ecx, eax

        $sequence_8 = { 68???????? ff97a4010000 6800200000 6a00 6a00 6a00 ff750c }
            // n = 7, score = 200
            //   68????????           |                     
            //   ff97a4010000         | call                dword ptr [edi + 0x1a4]
            //   6800200000           | push                0x2000
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   ff750c               | push                dword ptr [ebp + 0xc]

        $sequence_9 = { 6a00 ff7508 6815800000 ff35???????? ff96e0010000 5d }
            // n = 6, score = 200
            //   6a00                 | push                0
            //   ff7508               | push                dword ptr [ebp + 8]
            //   6815800000           | push                0x8015
            //   ff35????????         |                     
            //   ff96e0010000         | call                dword ptr [esi + 0x1e0]
            //   5d                   | pop                 ebp

    condition:
        7 of them and filesize < 352256
}
[TLP:WHITE] win_parallax_w0   (20200327 | No description)
rule win_parallax_w0 {
    meta:
        author = "jeFF0Falltrades"
        source = "https://github.com/jeFF0Falltrades/IoCs/blob/master/Broadbased/parallax_rat.md"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.parallax"
        malpedia_version = "20200327"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    strings:
        $str_ws = ".DeleteFile(Wscript.ScriptFullName)" wide ascii
        $str_cb_1 = "Clipboard Start" wide ascii
        $str_cb_2 = "Clipboard End" wide ascii
        $str_un = "UN.vbs" wide ascii
        $hex_keylogger = { 64 24 ?? C0 CA FA }

    condition:
        3 of them
}
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