Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 22:35

General

  • Target

    e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    e89734cb5f03a7205150c1dd2b63f482

  • SHA1

    e13bcecf89bd561fa0dee793c7768e7d905997b4

  • SHA256

    da6f282bda21ae7d7672b12038088c5683f4b6c05f651bb8bcce0e50330cd7f0

  • SHA512

    a43373f0d5ef35317f9ccbd4b5a3269c2fa4ae2247f509e148fe73fd8a0a6a36111b2286bd76553d63696878761a863c536f3b48d8e934953bd9f96a7c39d75c

  • SSDEEP

    24576:9Lf44W9ESiWy9EFFTZdXTZdHXTZdXTZzyQHqVE008sWVmiXMf7OM4pWC7FdT59Dl:uiSTZdXTZdHXTZdXTZzyQKVE0zmDI

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

62.227.124.106:5552

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Local\Temp\Stub,.exe
      "C:\Users\Admin\AppData\Local\Temp\Stub,.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3188
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 888
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3164
    • C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:628
      • C:\Users\Admin\AppData\Local\Temp\Payload.exe
        "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1300
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe.log

    Filesize

    617B

    MD5

    e07efe3f1e4fcc39483a46d0644e1750

    SHA1

    083566e513d8090982a8f2d2c57864f7e5eea721

    SHA256

    d35da5dbc639e94852448d93722de5260388abf8a0a6b80d947d8acf02209617

    SHA512

    e29fac6efce55130598dd9ca0be18e2934d8ed417087848f4c80c1754312f1dae2eb0fc3e85e58aa11abde23a221bdf8f6b80df3a9acad4891626f667f05b474

  • C:\Users\Admin\AppData\Local\Temp\Payload.exe

    Filesize

    1.3MB

    MD5

    e89734cb5f03a7205150c1dd2b63f482

    SHA1

    e13bcecf89bd561fa0dee793c7768e7d905997b4

    SHA256

    da6f282bda21ae7d7672b12038088c5683f4b6c05f651bb8bcce0e50330cd7f0

    SHA512

    a43373f0d5ef35317f9ccbd4b5a3269c2fa4ae2247f509e148fe73fd8a0a6a36111b2286bd76553d63696878761a863c536f3b48d8e934953bd9f96a7c39d75c

  • C:\Users\Admin\AppData\Local\Temp\Stub,.exe

    Filesize

    669KB

    MD5

    5e2c1a42cd6d66b10f49371a712a554c

    SHA1

    a29e99551f4bd77aafaf24ab07144426a6324d38

    SHA256

    9e3619a9774f78d06757bd69784863fd9eceecfccc847c9de0f6783568864749

    SHA512

    1dc0ce574427f5b5abc80225601c4fa3b6486e9609c95ae08c304efd4c52354c2e122fce47c52688a9e8052a79e0370103343ba9f1fcf1a063bdada274bde0ea

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

    Filesize

    1KB

    MD5

    9d8feb2f0d0f90f04f25b8006be83fdc

    SHA1

    c35b889767be595af5d69417a6253cb0d0a1af0e

    SHA256

    50610114ae6b7ac7ee1c6bb520e567f656f4bac43245e336f511f46126ac3ff7

    SHA512

    7479d710887029fa2b3a46e9aeecda1e8b21dbabef5bf7626d86e4ace729ffd562b9d52452dbc2ebc893a530a54775c64cde74f52f9d5bcb4484899ef6c3f8f1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

    Filesize

    1KB

    MD5

    4b9d1668d2734e11056f2535324845c2

    SHA1

    3d3a09118b50bd01f6445c24d483ea25baebb918

    SHA256

    8e0fef9aeb3af819fb5ccfdcfdf937f254ba4b5e26d96c1d0e37b0873ae524c0

    SHA512

    708d27792ebc73edcc6d53b44dd66eadf074aca1a05ff0690b7bad134b0afd1654fd450015b64695364fddd7bcc99626a416025b6ff55b50c616e0b9fa71bb25

  • memory/628-23-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/628-20-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1116-19-0x0000000006580000-0x0000000006598000-memory.dmp

    Filesize

    96KB

  • memory/1116-18-0x0000000005A50000-0x0000000005A60000-memory.dmp

    Filesize

    64KB

  • memory/1116-15-0x0000000006AD0000-0x0000000007074000-memory.dmp

    Filesize

    5.6MB

  • memory/1116-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/1116-2-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

    Filesize

    624KB

  • memory/1116-1-0x0000000000F70000-0x00000000010CC000-memory.dmp

    Filesize

    1.4MB

  • memory/1300-53-0x0000000006020000-0x00000000060B2000-memory.dmp

    Filesize

    584KB

  • memory/1300-54-0x0000000006010000-0x000000000601A000-memory.dmp

    Filesize

    40KB

  • memory/3188-14-0x0000000070902000-0x0000000070903000-memory.dmp

    Filesize

    4KB

  • memory/3188-32-0x0000000070900000-0x0000000070EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3188-17-0x0000000070900000-0x0000000070EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3188-16-0x0000000070900000-0x0000000070EB1000-memory.dmp

    Filesize

    5.7MB