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 (20220808 | Detects win.parallax.)
rule win_parallax_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-08-05"
        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 = "20220805"
        malpedia_hash = "6ec06c64bcfdbeda64eff021c766b4ce34542b71"
        malpedia_version = "20220808"
        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???????? 8b550c 8b4f2c 894a08 }
            // n = 4, score = 200
            //   e8????????           |                     
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   8b4f2c               | mov                 ecx, dword ptr [edi + 0x2c]
            //   894a08               | mov                 dword ptr [edx + 8], ecx

        $sequence_1 = { 83c134 894f1c 8b4d10 894f10 8b750c c7464401000000 8b7d08 }
            // n = 7, score = 200
            //   83c134               | add                 ecx, 0x34
            //   894f1c               | mov                 dword ptr [edi + 0x1c], ecx
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   894f10               | mov                 dword ptr [edi + 0x10], ecx
            //   8b750c               | mov                 esi, dword ptr [ebp + 0xc]
            //   c7464401000000       | mov                 dword ptr [esi + 0x44], 1
            //   8b7d08               | mov                 edi, dword ptr [ebp + 8]

        $sequence_2 = { 6a14 68???????? e8???????? 6a04 68???????? 6a12 68???????? }
            // n = 7, score = 200
            //   6a14                 | push                0x14
            //   68????????           |                     
            //   e8????????           |                     
            //   6a04                 | push                4
            //   68????????           |                     
            //   6a12                 | push                0x12
            //   68????????           |                     

        $sequence_3 = { 8945f8 ff75fc ff9698000000 8b7508 6a00 6a34 6a34 }
            // n = 7, score = 200
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   ff9698000000         | call                dword ptr [esi + 0x98]
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   6a00                 | push                0
            //   6a34                 | push                0x34
            //   6a34                 | push                0x34

        $sequence_4 = { c20800 55 8bec 8b4508 83784400 7505 }
            // n = 6, score = 200
            //   c20800               | ret                 8
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   83784400             | cmp                 dword ptr [eax + 0x44], 0
            //   7505                 | jne                 7

        $sequence_5 = { 3b4e24 7530 ff7510 e8???????? 8b7508 }
            // n = 5, score = 200
            //   3b4e24               | cmp                 ecx, dword ptr [esi + 0x24]
            //   7530                 | jne                 0x32
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   e8????????           |                     
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]

        $sequence_6 = { 6a00 6a00 6804800000 ff7508 ff92e0010000 5d c21000 }
            // n = 7, score = 200
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6804800000           | push                0x8004
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ff92e0010000         | call                dword ptr [edx + 0x1e0]
            //   5d                   | pop                 ebp
            //   c21000               | ret                 0x10

        $sequence_7 = { 6a00 ff35???????? ff5760 83be8800000000 7411 ffb688000000 }
            // n = 6, score = 200
            //   6a00                 | push                0
            //   ff35????????         |                     
            //   ff5760               | call                dword ptr [edi + 0x60]
            //   83be8800000000       | cmp                 dword ptr [esi + 0x88], 0
            //   7411                 | je                  0x13
            //   ffb688000000         | push                dword ptr [esi + 0x88]

        $sequence_8 = { 662bf6 8b15???????? 3315???????? 03f2 8b1d???????? 331d???????? }
            // n = 6, score = 200
            //   662bf6               | sub                 si, si
            //   8b15????????         |                     
            //   3315????????         |                     
            //   03f2                 | add                 esi, edx
            //   8b1d????????         |                     
            //   331d????????         |                     

        $sequence_9 = { 7505 8b4a3c eb03 8b4a34 8b9e9c000000 85db }
            // n = 6, score = 200
            //   7505                 | jne                 7
            //   8b4a3c               | mov                 ecx, dword ptr [edx + 0x3c]
            //   eb03                 | jmp                 5
            //   8b4a34               | mov                 ecx, dword ptr [edx + 0x34]
            //   8b9e9c000000         | mov                 ebx, dword ptr [esi + 0x9c]
            //   85db                 | test                ebx, ebx

    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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