Analysis

  • max time kernel
    168s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:40

General

  • Target

    2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960.exe

  • Size

    28KB

  • MD5

    3492d6c98dd85f9abcc6c34cf4491998

  • SHA1

    212d4d385f72d7906e3ea7832e5c720dc392021f

  • SHA256

    2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960

  • SHA512

    bdfaf0e244355b12ffbf6e473a270d5247fbfb8b0960c1e478b866940956b8eb0088e9bc7699ecd0ada85b250224ba059c538618cf6f2ee4f6a8ffcfc8c66e31

  • SSDEEP

    384:WCZ2hJl7tjrMSJIeURd545rCWmqDebDveoEGBsbh0w4wlAokw9OhgOL1vYRGOZzG:VM79MSJ07srcqETe6BKh0p29SgRj+t

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Đǿsħka ĦąĈķễr

C2

ahmad-rimawi1998.zapto.org:1188

Mutex

1ffcf52b0cd64d83554855bd6f04fc1f

Attributes
  • reg_key

    1ffcf52b0cd64d83554855bd6f04fc1f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960.exe
    "C:\Users\Admin\AppData\Local\Temp\2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Users\Admin\AppData\Local\Temp\taskhost.exe
      "C:\Users\Admin\AppData\Local\Temp\taskhost.exe"
      2⤵
      • Executes dropped EXE
      PID:2128

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\taskhost.exe
    Filesize

    28KB

    MD5

    3492d6c98dd85f9abcc6c34cf4491998

    SHA1

    212d4d385f72d7906e3ea7832e5c720dc392021f

    SHA256

    2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960

    SHA512

    bdfaf0e244355b12ffbf6e473a270d5247fbfb8b0960c1e478b866940956b8eb0088e9bc7699ecd0ada85b250224ba059c538618cf6f2ee4f6a8ffcfc8c66e31

  • C:\Users\Admin\AppData\Local\Temp\taskhost.exe
    Filesize

    28KB

    MD5

    3492d6c98dd85f9abcc6c34cf4491998

    SHA1

    212d4d385f72d7906e3ea7832e5c720dc392021f

    SHA256

    2413b7f8b03acf212c1c9bd092dc8892d74885dc49e2d926d607618f203fa960

    SHA512

    bdfaf0e244355b12ffbf6e473a270d5247fbfb8b0960c1e478b866940956b8eb0088e9bc7699ecd0ada85b250224ba059c538618cf6f2ee4f6a8ffcfc8c66e31

  • memory/460-132-0x0000000074D70000-0x0000000075321000-memory.dmp
    Filesize

    5.7MB

  • memory/460-133-0x0000000074D70000-0x0000000075321000-memory.dmp
    Filesize

    5.7MB

  • memory/460-138-0x0000000074D70000-0x0000000075321000-memory.dmp
    Filesize

    5.7MB

  • memory/2128-134-0x0000000000000000-mapping.dmp
  • memory/2128-137-0x0000000074D70000-0x0000000075321000-memory.dmp
    Filesize

    5.7MB

  • memory/2128-139-0x0000000074D70000-0x0000000075321000-memory.dmp
    Filesize

    5.7MB