Analysis

  • max time kernel
    191s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 01:49

General

  • Target

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

  • Size

    1020KB

  • MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

  • SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

  • SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

  • SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • SSDEEP

    24576:9VUkyvjjmr0Jc8+U9h8qkLl54LWyzaSfuRfDasGIy/EnyiZOQc:3UkMEVU9h2ZiPzaSmRrfWEnrZNc

Malware Config

Extracted

Family

darkcomet

Botnet

Ganzneu

C2

windowshomesetup.no-ip.biz:8088

Mutex

DC_MUTEX-DL446XT

Attributes
  • gencode

    CzbzF2gzTSH5

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe
    "C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\629868978.xml"
      2⤵
      • Creates scheduled task(s)
      PID:1136
    • C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe
      "C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:516
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss.exe" -proc 516 C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\629868978.xml

    Filesize

    1KB

    MD5

    e70b424be13cb839317017bd08c09f4f

    SHA1

    2eb5405546830d5b40546dbdaa71fda0c2b1ffc6

    SHA256

    16f62d2845aeb2457086c2dc69c110d551d7a6082f6ddd6496790f2386d75404

    SHA512

    8ab435a026089449b46ffc67848b891daa8c8c8b0c0ef61570201b4a624584cb112b9c482dd5fdde9b40c7c353f88d2cf41b00df2ddd52ff7555cfd7b7b650b8

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • C:\Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

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

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • \Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • \Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • \Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • \Users\Admin\AppData\Local\Temp\d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd.exe

    Filesize

    1020KB

    MD5

    6eb8c9e5bdefba159845ea5a03cd83fb

    SHA1

    add104b21b3064c7d2b465c0f02ac32d9880d43e

    SHA256

    d449e6e983233884f78f3c42a9aab270d125912b0b376a18795d1e73075dddcd

    SHA512

    1fafc39f9724740b88db1efc2f5ef1f5951ad2b0b7b4dc2c784be179360dedd39debf7f89886fde0aace1f57fb0445e1b885fa250ea03a9975747e805e563952

  • memory/516-69-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-108-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-84-0x000000000048F888-mapping.dmp

  • memory/516-87-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-79-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-106-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-73-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-105-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-82-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/516-99-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/604-98-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/604-104-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/604-90-0x0000000000000000-mapping.dmp

  • memory/604-107-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/1136-56-0x0000000000000000-mapping.dmp

  • memory/1908-97-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-55-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

    Filesize

    8KB

  • memory/1908-85-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB