Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14-07-2024 12:12

General

  • Target

    45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    45c31a6657d85a83a327a9b907843e67

  • SHA1

    db82cb13bbb044eac8cbe2c26e6652c51d84740d

  • SHA256

    547832a55c6686cae074d6cf038493da2930962fd2c1e4dd176fee4c6d60abbf

  • SHA512

    dccef6bde2f5eb79252a64832c72adfcfe728844e28caf3a7be07f1bc3421724ee33bd5bd993513d2fb728b0f0ca47f134738422af7afcd188bc885dd043ecb4

  • SSDEEP

    49152:/JZoQrbTFZY1iaBOkJmZeQvV/AvT6qzL9Uutxr7:/trbTA1SZeQYTFzL9UC7

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1608

Mutex

DC_MUTEX-DD5EEWG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    1fP8x3gpGubE

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

darkcomet

Botnet

BOT

C2

kl0w.no-ip.org:1604

mozillaproxy.zapto.org:1604

Mutex

DC_MUTEX-A5603PV

Attributes
  • gencode

    8UDgycR8v6YU

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Extracted

Family

latentbot

C2

mozillaproxy.zapto.org

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 19 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:3024
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:3028
      • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          4⤵
          • Executes dropped EXE
          PID:2628
        • C:\Users\Admin\AppData\Local\Temp\file2.exe
          C:\Users\Admin\AppData\Local\Temp\file2.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1744
    • C:\Users\Admin\AppData\Local\Temp\file2.exe
      C:\Users\Admin\AppData\Local\Temp\file2.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ampere2.dat

    Filesize

    658KB

    MD5

    25d38f718beec7710b42aa6f7c943cc7

    SHA1

    938b4b54c9382d0e32280dfa7af9a3913ae93208

    SHA256

    f2f6ffd11982ca134735ef6f4a217025182b1ccbed33ade7a772aea2254dbad1

    SHA512

    3e4e629fdd0b2552bbf3da3456d43019a9845ed7498aea75a425e29925a1d31f18198435423d3b6aded6e97cdad9d9680ee95496f1249a63b963d407337f2761

  • \Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

    Filesize

    1.7MB

    MD5

    45c31a6657d85a83a327a9b907843e67

    SHA1

    db82cb13bbb044eac8cbe2c26e6652c51d84740d

    SHA256

    547832a55c6686cae074d6cf038493da2930962fd2c1e4dd176fee4c6d60abbf

    SHA512

    dccef6bde2f5eb79252a64832c72adfcfe728844e28caf3a7be07f1bc3421724ee33bd5bd993513d2fb728b0f0ca47f134738422af7afcd188bc885dd043ecb4

  • \Users\Admin\AppData\Local\Temp\file2.exe

    Filesize

    251KB

    MD5

    a5ad8b98c7926fb36260d646b2a4ac84

    SHA1

    bdf2b831b7410302a9862b062e5df5ee8d291bb5

    SHA256

    fff90629f05521a70169667523060bd93f022518054983c889705273e59a2641

    SHA512

    21fdf907a36d98617f55d81249812ffcd95777da336071926c6a6126eba15ef79a4e0771157d9ec2b78b68af596fcbc2325b76f13f3e69a4f7740aae59547376

  • memory/1392-55-0x0000000002CB0000-0x0000000002D67000-memory.dmp

    Filesize

    732KB

  • memory/1392-56-0x0000000002CB0000-0x0000000002D67000-memory.dmp

    Filesize

    732KB

  • memory/1744-59-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1744-57-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2276-28-0x0000000004490000-0x0000000004547000-memory.dmp

    Filesize

    732KB

  • memory/2276-27-0x0000000004490000-0x0000000004547000-memory.dmp

    Filesize

    732KB

  • memory/2572-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-70-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-74-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-34-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2572-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-71-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-33-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-61-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-62-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-63-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-65-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-66-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2572-67-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2732-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-13-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/2732-7-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/2732-15-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2732-14-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/2732-12-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/2732-11-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/2732-60-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB