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
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 (20221125 | Detects win.parallax.)
rule win_parallax_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        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 = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        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 = { e8???????? e9???????? 3d19800000 7513 ff7514 ff7510 ff7508 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   e9????????           |                     
            //   3d19800000           | cmp                 eax, 0x8019
            //   7513                 | jne                 0x15
            //   ff7514               | push                dword ptr [ebp + 0x14]
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   ff7508               | push                dword ptr [ebp + 8]

        $sequence_1 = { eb3a 8b0d???????? 8b15???????? 6a00 }
            // n = 4, score = 200
            //   eb3a                 | jmp                 0x3c
            //   8b0d????????         |                     
            //   8b15????????         |                     
            //   6a00                 | push                0

        $sequence_2 = { ff7634 52 ff750c e8???????? 6a00 ff750c ff7508 }
            // n = 7, score = 200
            //   ff7634               | push                dword ptr [esi + 0x34]
            //   52                   | push                edx
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   e8????????           |                     
            //   6a00                 | push                0
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   ff7508               | push                dword ptr [ebp + 8]

        $sequence_3 = { 8b5738 8d524c 8b4d10 83e934 014a0c }
            // n = 5, score = 200
            //   8b5738               | mov                 edx, dword ptr [edi + 0x38]
            //   8d524c               | lea                 edx, [edx + 0x4c]
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   83e934               | sub                 ecx, 0x34
            //   014a0c               | add                 dword ptr [edx + 0xc], ecx

        $sequence_4 = { 83c634 8975e4 8d55f0 8b0e 890a 8d7604 897204 }
            // n = 7, score = 200
            //   83c634               | add                 esi, 0x34
            //   8975e4               | mov                 dword ptr [ebp - 0x1c], esi
            //   8d55f0               | lea                 edx, [ebp - 0x10]
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   890a                 | mov                 dword ptr [edx], ecx
            //   8d7604               | lea                 esi, [esi + 4]
            //   897204               | mov                 dword ptr [edx + 4], esi

        $sequence_5 = { 83becc00000000 750d ff750c ff7508 e8???????? eb0a 6a00 }
            // n = 7, score = 200
            //   83becc00000000       | cmp                 dword ptr [esi + 0xcc], 0
            //   750d                 | jne                 0xf
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   eb0a                 | jmp                 0xc
            //   6a00                 | push                0

        $sequence_6 = { ff75f4 6815800000 ff35???????? ff92e0010000 eb0e }
            // n = 5, score = 200
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   6815800000           | push                0x8015
            //   ff35????????         |                     
            //   ff92e0010000         | call                dword ptr [edx + 0x1e0]
            //   eb0e                 | jmp                 0x10

        $sequence_7 = { ff7634 ff750c e8???????? 83466834 8386d800000034 6a01 6a00 }
            // n = 7, score = 200
            //   ff7634               | push                dword ptr [esi + 0x34]
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   e8????????           |                     
            //   83466834             | add                 dword ptr [esi + 0x68], 0x34
            //   8386d800000034       | add                 dword ptr [esi + 0xd8], 0x34
            //   6a01                 | push                1
            //   6a00                 | push                0

        $sequence_8 = { 88140f 41 3bcb 72f5 6a04 68???????? 6a20 }
            // n = 7, score = 200
            //   88140f               | mov                 byte ptr [edi + ecx], dl
            //   41                   | inc                 ecx
            //   3bcb                 | cmp                 ecx, ebx
            //   72f5                 | jb                  0xfffffff7
            //   6a04                 | push                4
            //   68????????           |                     
            //   6a20                 | push                0x20

        $sequence_9 = { eb0a 6a00 ff7508 e8???????? 83f801 }
            // n = 5, score = 200
            //   eb0a                 | jmp                 0xc
            //   6a00                 | push                0
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   83f801               | cmp                 eax, 1

    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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