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Overview

overview

10

Static

static

3

3039e2ee34...18.exe

windows7-x64

10

3039e2ee34...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 11:40

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General

  • Target

    3039e2ee34950a14ed25df21fc63634c_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    3039e2ee34950a14ed25df21fc63634c

  • SHA1

    e8f06750a01704ffb805d988de1a4901c7770179

  • SHA256

    3e0a0694c8ce5b699bf628505fbba2ce599816883d4d996b8297411aace74190

  • SHA512

    9909ad8bc1f897d2a8cbc4b150177a2692609ef8dcbbee9a3fae06906fda1ba2495f7871891ae9065f4f5f5364a3c829e1d9038dd4dd56e69bbd193d8566acc5

  • SSDEEP

    6144:Dc9kfgNnCYP40Xf/9PJR8WjN4VRNuX/hYH:gWfgIanlJ2YGVG/qH

Score
10/10
evasionpersistencespywarestealerupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3039e2ee34950a14ed25df21fc63634c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3039e2ee34950a14ed25df21fc63634c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\GgFSv45ag9.exe
      C:\Users\Admin\GgFSv45ag9.exe /k
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4012
      • C:\Users\Admin\niaec.exe
        "C:\Users\Admin\niaec.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:572
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del GgFSv45ag9.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3644
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4528
    • C:\Users\Admin\2sek.exe
      C:\Users\Admin\2sek.exe /k
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Users\Admin\2sek.exe
        "C:\Users\Admin\2sek.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2648
      • C:\Users\Admin\2sek.exe
        "C:\Users\Admin\2sek.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3968
      • C:\Users\Admin\2sek.exe
        "C:\Users\Admin\2sek.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2372
      • C:\Users\Admin\2sek.exe
        "C:\Users\Admin\2sek.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3416
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c tasklist&&del 3039e2ee34950a14ed25df21fc63634c_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:4140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\2sek.exe
    Filesize

    108KB

    MD5

    bca98fa2b625ebabf773907c1044dd93

    SHA1

    81b71773c0fef30105b08964673c3b975da78da9

    SHA256

    bda9ed294d3cd361fb644135957428936551fc67bd39c4c349108cf91e898b4a

    SHA512

    50b9bd135790956083e7d69513901c693ec118566ad29d2efc3d50fa11746a9f7940737c051376396ad729ac837ade2657b0dd4d8eda2a808aa02679c15e03f8

    Download Submit

  • C:\Users\Admin\GgFSv45ag9.exe
    Filesize

    196KB

    MD5

    79055ff61d38d791e0deae4c4080ad06

    SHA1

    95bab7c059121bea8be2627f6205f06a7c43415d

    SHA256

    beac44989153cc9da78c3e1b0d0154ecd60df696407f75f4acf355716fbe0941

    SHA512

    59d11260a28e9a681135400bbd8de225c245dad0092296d65e746d557ecc222fe5217a9783c544fb5d86ce1d7baac3e0226e9ce711ef710ed200ac1b106b74a3

    Download Submit

  • C:\Users\Admin\niaec.exe
    Filesize

    196KB

    MD5

    9a3e91dacce836ae0be582ceba2ec302

    SHA1

    20b331495f1879d6c674a5eb8d73127155dcb601

    SHA256

    7c202f93d41a42412d8767df6404c6d969221226c867e148f0f83526156b0d8d

    SHA512

    3cee2db35493fbd15019db66eb219725d07bd1bdbacb73ab7b548ad82d449e6d134fa52bc4b34a492bd61eac09d2ac681698c9e0eb868fd78283a774608f19bc

    Download Submit

  • memory/2372-62-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2372-78-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2372-64-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2372-60-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2648-46-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2648-50-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2648-82-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2648-52-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2648-76-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/3416-69-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3416-67-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3416-70-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3416-75-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3968-58-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/3968-55-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/3968-77-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/3968-57-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/3968-59-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download