Resubmissions

31-07-2024 19:45

240731-ygsxzazerp 10

31-07-2024 19:07

240731-xslscstbqf 10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 19:07

General

  • Target

    7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe

  • Size

    379KB

  • MD5

    7d9512b4df2dd9a08b99bb5d4f644a1b

  • SHA1

    1972b0cdc54764b5df7fb94176bca0f8d812fe2c

  • SHA256

    6da662c998ef51d63aba6cccdf510e7e584b4d8505e2fa0dbe19a70632dba4c6

  • SHA512

    4d71364bab0946cc892a36a0bb85f2f68f17d7c958e8427e78666063674fdfd5dd81c5b01be90f9a1a48c9f476e80ad219b1e9a37aa696dac63877dced66d815

  • SSDEEP

    6144:CovtRpmsVeVTPuoEW2pAFNOGkR4nZg7Yf1YbE5lCJ8IIQaJ6a7a2CEbxBqirpRO1:CqtONjhEW5FNeR4ZG76lzIIRJ6u4EFou

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

smr9.no-ip.org:1604

Mutex

DC_MUTEX-NJSZLY8

Attributes
  • InstallPath

    MSDCSC\lsass.exe

  • gencode

    6xtSkc229rlk

  • install

    true

  • offline_keylogger

    false

  • password

    123456

  • persistence

    true

  • reg_key

    lsass.exe

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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 2 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\MSDCSC\lsass.exe
      "C:\MSDCSC\lsass.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSDCSC\lsass.exe

    Filesize

    379KB

    MD5

    7d9512b4df2dd9a08b99bb5d4f644a1b

    SHA1

    1972b0cdc54764b5df7fb94176bca0f8d812fe2c

    SHA256

    6da662c998ef51d63aba6cccdf510e7e584b4d8505e2fa0dbe19a70632dba4c6

    SHA512

    4d71364bab0946cc892a36a0bb85f2f68f17d7c958e8427e78666063674fdfd5dd81c5b01be90f9a1a48c9f476e80ad219b1e9a37aa696dac63877dced66d815

  • memory/1564-0-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-1-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-4-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-5-0x00000000004CF000-0x00000000004D0000-memory.dmp

    Filesize

    4KB

  • memory/1564-3-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-2-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-9-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/1564-78-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-68-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-83-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-74-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-73-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-72-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-70-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-69-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-76-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-71-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-79-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-80-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-81-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-82-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-75-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-84-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-85-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-86-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-87-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-88-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-89-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-90-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-91-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-92-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-93-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2712-94-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB