Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 00:42

General

  • Target

    a4bcc3d83db92af30efb92b91c173fde_JaffaCakes118.exe

  • Size

    4.1MB

  • MD5

    a4bcc3d83db92af30efb92b91c173fde

  • SHA1

    d3a18f9612dbc77563af00d4320b434f13b1384c

  • SHA256

    ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83

  • SHA512

    99e9f24ffe81c093b7278b130d76377efd4c37a6bd8882729b25f87821433ee45247e3e441627786bf37b4331a366c41df66092f0653d6a4597fde3abdf14547

  • SSDEEP

    98304:6WE8PHm2xRsBxIhM3wuu1NzJxUMkQDmBziWl:6WLPG2DOJwb1xJ+Z37

Score
10/10

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4bcc3d83db92af30efb92b91c173fde_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a4bcc3d83db92af30efb92b91c173fde_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Program Files\Cosmopolitanize\Beasley.exe
      "C:\Program Files\Cosmopolitanize\Beasley.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3068
      • C:\Program Files\Cosmopolitanize\Beasley.exe
        "C:\Program Files\Cosmopolitanize\Beasley.exe" -second
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c SchTasks /create /f /XML %temp%\Log942.xml /TN \microsoft\windows\defrag\scheduleddefrag && schtasks /Change /TN \microsoft\windows\defrag\scheduleddefrag /ENABLE && schtasks /run /TN \microsoft\windows\defrag\scheduleddefrag
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:372
      • C:\Windows\SysWOW64\schtasks.exe
        SchTasks /create /f /XML C:\Users\Admin\AppData\Local\Temp\Log942.xml /TN \microsoft\windows\defrag\scheduleddefrag
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2896
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Change /TN \microsoft\windows\defrag\scheduleddefrag /ENABLE
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1116
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /run /TN \microsoft\windows\defrag\scheduleddefrag
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2644
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1671B1BF-148E-4E8E-ADCE-DB04EB934C1E} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:276
    • C:\Program Files\Cosmopolitanize\Beasley.exe
      "C:\Program Files\Cosmopolitanize\Beasley.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsjB424.tmp\nsExec.dll

    Filesize

    7KB

    MD5

    f27689c513e7d12c7c974d5f8ef710d6

    SHA1

    e305f2a2898d765a64c82c449dfb528665b4a892

    SHA256

    1f18f4126124b0551f3dbcd0fec7f34026f930ca509f04435657cedc32ae8c47

    SHA512

    734e9f3989ee47a86bee16838df7a09353c7fe085a09d77e70d281b21c5477b0b061616e72e8ac8fcb3dda1df0d5152f54dcc4c5a77f90fbf0f857557bf02fbc

  • C:\Users\Admin\AppData\Local\Temp\nsjB424.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

  • \Program Files\Cosmopolitanize\Beasley.exe

    Filesize

    11.2MB

    MD5

    080243eb6fff40cfd90a7e17cdb74ba8

    SHA1

    78ee23e1b8e74d814d22a4288fe31f3c1a5a5495

    SHA256

    a3b12707957c0875e23c202cea0268981623760072b5f7780ff62fd435311c6f

    SHA512

    ff765462a48f19aa0b984522f0507ef28c606117f44064a39c7e528906b94e88e23155a9af028d7d766cf9410481434af4afa40fe68b7e4ee73426b9275240d1

  • \Users\Admin\AppData\Local\Temp\nsjB424.tmp\NSISList.dll

    Filesize

    105KB

    MD5

    4b0617493f32b2b5fe5e838eeb885819

    SHA1

    336e84380420a9caaa9c12af7c8e530135e63c57

    SHA256

    df3621f83e9d11be45e0e617b899c4ab0241f60ed56494e892dc449482058402

    SHA512

    5c50cf97cd9a6c699ec7928a08f77f4eaa68105e87a974432e39b637f926f0df8a95ec19bd63465fc438a4ef6349398938bc8d7651de125d13ccab89d1d49143

  • \Users\Admin\AppData\Local\Temp\nsjB424.tmp\System.dll

    Filesize

    12KB

    MD5

    8cf2ac271d7679b1d68eefc1ae0c5618

    SHA1

    7cc1caaa747ee16dc894a600a4256f64fa65a9b8

    SHA256

    6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

    SHA512

    ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

  • \Users\Admin\AppData\Local\Temp\nsjB424.tmp\registry.dll

    Filesize

    24KB

    MD5

    2b7007ed0262ca02ef69d8990815cbeb

    SHA1

    2eabe4f755213666dbbbde024a5235ddde02b47f

    SHA256

    0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

    SHA512

    aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

  • memory/1492-4105-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4106-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4107-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4109-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4114-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4117-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/1860-4120-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB

  • memory/2888-12-0x0000000000350000-0x0000000000374000-memory.dmp

    Filesize

    144KB

  • memory/3068-1735-0x0000000000400000-0x0000000000FE0000-memory.dmp

    Filesize

    11.9MB