Analysis

  • max time kernel
    37s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:40

General

  • Target

    aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe

  • Size

    23KB

  • MD5

    dce35b0e4769409b8ec1564a216d208d

  • SHA1

    48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

  • SHA256

    aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

  • SHA512

    66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

  • SSDEEP

    384:dMQ+SAN7uprgvM5OSUswZXg69gbm4hfpFmRvR6JZlbw8hqIusZzZzS:FOaxVULRpcnuh

Score
10/10

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

facebook

C2

webhosting.no-ip.biz:1177

Mutex

f80c58c81bb54cc02a5aa1df65019452

Attributes
  • reg_key

    f80c58c81bb54cc02a5aa1df65019452

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe
    "C:\Users\Admin\AppData\Local\Temp\aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\win32.exe
      "C:\Users\Admin\win32.exe"
      2⤵
      • Executes dropped EXE
      PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\win32.exe

    Filesize

    23KB

    MD5

    dce35b0e4769409b8ec1564a216d208d

    SHA1

    48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

    SHA256

    aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

    SHA512

    66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

  • C:\Users\Admin\win32.exe

    Filesize

    23KB

    MD5

    dce35b0e4769409b8ec1564a216d208d

    SHA1

    48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

    SHA256

    aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

    SHA512

    66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

  • \Users\Admin\win32.exe

    Filesize

    23KB

    MD5

    dce35b0e4769409b8ec1564a216d208d

    SHA1

    48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

    SHA256

    aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

    SHA512

    66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

  • memory/432-58-0x0000000000000000-mapping.dmp

  • memory/432-62-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/432-63-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/1172-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB

  • memory/1172-55-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/1172-56-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/1172-64-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB