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 (20230715 | Detects win.parallax.)
rule win_parallax_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        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 = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { c20400 55 8bec 8b15???????? ff7508 ff5240 5d }
            // n = 7, score = 200
            //   c20400               | ret                 4
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b15????????         |                     
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ff5240               | call                dword ptr [edx + 0x40]
            //   5d                   | pop                 ebp

        $sequence_1 = { 8b7f34 8b1d???????? 895f08 03f8 c70700000000 8b7508 8b7d0c }
            // n = 7, score = 200
            //   8b7f34               | mov                 edi, dword ptr [edi + 0x34]
            //   8b1d????????         |                     
            //   895f08               | mov                 dword ptr [edi + 8], ebx
            //   03f8                 | add                 edi, eax
            //   c70700000000         | mov                 dword ptr [edi], 0
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   8b7d0c               | mov                 edi, dword ptr [ebp + 0xc]

        $sequence_2 = { 8b1d???????? 331d???????? 85db 7506 b800000000 c3 8b3d???????? }
            // n = 7, score = 200
            //   8b1d????????         |                     
            //   331d????????         |                     
            //   85db                 | test                ebx, ebx
            //   7506                 | jne                 8
            //   b800000000           | mov                 eax, 0
            //   c3                   | ret                 
            //   8b3d????????         |                     

        $sequence_3 = { eb0a 6a00 ff7508 e8???????? 83f801 751c 8b15???????? }
            // n = 7, score = 200
            //   eb0a                 | jmp                 0xc
            //   6a00                 | push                0
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   83f801               | cmp                 eax, 1
            //   751c                 | jne                 0x1e
            //   8b15????????         |                     

        $sequence_4 = { 8b15???????? 6850020000 56 ff5250 58 eb06 }
            // n = 6, score = 200
            //   8b15????????         |                     
            //   6850020000           | push                0x250
            //   56                   | push                esi
            //   ff5250               | call                dword ptr [edx + 0x50]
            //   58                   | pop                 eax
            //   eb06                 | jmp                 8

        $sequence_5 = { ff7734 56 ff750c e8???????? c745f400000000 }
            // n = 5, score = 200
            //   ff7734               | push                dword ptr [edi + 0x34]
            //   56                   | push                esi
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   e8????????           |                     
            //   c745f400000000       | mov                 dword ptr [ebp - 0xc], 0

        $sequence_6 = { ff751c 8f4614 ff7520 8f461c 5d c21c00 }
            // n = 6, score = 200
            //   ff751c               | push                dword ptr [ebp + 0x1c]
            //   8f4614               | pop                 dword ptr [esi + 0x14]
            //   ff7520               | push                dword ptr [ebp + 0x20]
            //   8f461c               | pop                 dword ptr [esi + 0x1c]
            //   5d                   | pop                 ebp
            //   c21c00               | ret                 0x1c

        $sequence_7 = { ff7514 ff7510 ff7508 e8???????? e9???????? 3d1a800000 7515 }
            // n = 7, score = 200
            //   ff7514               | push                dword ptr [ebp + 0x14]
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   e9????????           |                     
            //   3d1a800000           | cmp                 eax, 0x801a
            //   7515                 | jne                 0x17

        $sequence_8 = { 8975e4 8d55f0 8b0e 890a }
            // n = 4, score = 200
            //   8975e4               | mov                 dword ptr [ebp - 0x1c], esi
            //   8d55f0               | lea                 edx, [ebp - 0x10]
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   890a                 | mov                 dword ptr [edx], ecx

        $sequence_9 = { eb03 8b7634 56 ff7508 e8???????? 8b7d08 }
            // n = 6, score = 200
            //   eb03                 | jmp                 5
            //   8b7634               | mov                 esi, dword ptr [esi + 0x34]
            //   56                   | push                esi
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   8b7d08               | mov                 edi, dword ptr [ebp + 8]

    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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