Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 15:15

General

  • Target

    JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe

  • Size

    831KB

  • MD5

    7a63b7a48478b2abc9f3d63f9407699a

  • SHA1

    e8db095dffc5ef776a5d6135b10b4d88e099ce14

  • SHA256

    ca7e7680b292ae024bf0d061509332f8110521f5dfc47a0a1e873b37458f316d

  • SHA512

    8c13c39a2fb0f5b5dcd90edf5a84849ae89d8d419afb488d17432d9951e3145a36c320b0fdd2852c5502d85fcc3bad9466678e338b8645a3ff850c8b13994bdf

  • SSDEEP

    24576:cOAjjFCq/dd0bacRODmp4Way9tKegdaN65yeRS+:cOAjjFCqVduRMmp4Wan2ek+

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

anassovichd12.sytes.net:1177

Mutex

c122be8343d9e54fe75b0878ac42c0c5

Attributes
  • reg_key

    c122be8343d9e54fe75b0878ac42c0c5

  • splitter

    |'|'|

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
          C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of UnmapMainImage
          PID:2972
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 12
            5⤵
            • Program crash
            PID:1076
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2972 -ip 2972
    1⤵
      PID:1312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe.log

      Filesize

      587B

      MD5

      a35ddf50cb4e16c8015d3f1e8d32ef13

      SHA1

      527c373224c4feff9e4b5d351f76ec8a819e730a

      SHA256

      16a5c4f250129f098484f9a2f7249f510b942933481d10b90d317b8a3de62e59

      SHA512

      1f00a6d6c2f54aa76c7e03348f94442335b2c534e72de6de25c4e85426fe090e6239fbeda02fd0c7f1a6ae8fd796e8ef4003c1fa5dbe42b777219e8c0bd9d738

    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_7a63b7a48478b2abc9f3d63f9407699a.exe

      Filesize

      790KB

      MD5

      3d6cf389cc53ceeb0773e4f0b4e02a02

      SHA1

      b72a0deac128da947b864982970b960977cc40d4

      SHA256

      3c57dc4dcf8f7c6d29d3c5a63879c46f613d12808c67bd053b8b735ca2447180

      SHA512

      2467281b0eb5c8672fd265228433cbb74265f295578c804eb1c2db855119b5655fe717bc7b6241c3f55e7ef3da2ef451fcf2a4dcf5751ca050d8da3423555878

    • memory/376-114-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-98-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/376-100-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-101-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-102-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-119-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-117-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-115-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/376-116-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/2672-111-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2672-122-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2672-120-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2972-112-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4460-103-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-110-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-13-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-108-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-105-0x0000000073C82000-0x0000000073C83000-memory.dmp

      Filesize

      4KB

    • memory/4460-107-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-12-0x0000000073C82000-0x0000000073C83000-memory.dmp

      Filesize

      4KB

    • memory/4460-106-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-104-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB

    • memory/4460-14-0x0000000073C80000-0x0000000074231000-memory.dmp

      Filesize

      5.7MB