Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2022 11:34

General

  • Target

    animalhaha.exe

  • Size

    27KB

  • MD5

    f24251c4a9bc8f5613026d85ac28dbab

  • SHA1

    9eb4b74cee39a1f44241b449fc872710f884924f

  • SHA256

    ba75eac69192e61b4479bc36eac36b4f127298f6b4763a7f4ade06f085c980ac

  • SHA512

    b5a1e69fff362cd2863c38b914a3145948aeb33838d3a419ac9f26abf269ac26023541a28c9e2038b94248467cec82063e078d27109d0600fdc29b2c695d32ca

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

194.5.98.188:4003

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Drops startup file 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\animalhaha.exe
    "C:\Users\Admin\AppData\Local\Temp\animalhaha.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Roaming\PowerPoint 2016.exe
      "C:\Users\Admin\AppData\Roaming\PowerPoint 2016.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
        3⤵
        • Drops startup file
        • Views/modifies file attributes
        PID:1716
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
        3⤵
        • Views/modifies file attributes
        PID:428
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\PowerPoint 2016.exe"
      2⤵
      • Views/modifies file attributes
      PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Defense Evasion

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe
    Filesize

    27KB

    MD5

    f24251c4a9bc8f5613026d85ac28dbab

    SHA1

    9eb4b74cee39a1f44241b449fc872710f884924f

    SHA256

    ba75eac69192e61b4479bc36eac36b4f127298f6b4763a7f4ade06f085c980ac

    SHA512

    b5a1e69fff362cd2863c38b914a3145948aeb33838d3a419ac9f26abf269ac26023541a28c9e2038b94248467cec82063e078d27109d0600fdc29b2c695d32ca

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
    Filesize

    1KB

    MD5

    6ef25b3eced762068903a3dd7b87d56c

    SHA1

    a03a3ebc3428b8d0237866ae884034dd5f3b4464

    SHA256

    b2276962b30133844df951f788988be2eda64fa29dd8df34222c0c07db714c0c

    SHA512

    bd60b46e08fa8bbbff31ea7b4835cfefbe9c4e25669b263c8bccac243f376045d128cc5500ecb0de988e2ed2ff2884099f6b7589b7128812496c318434bec1d5

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
    Filesize

    1022B

    MD5

    22a175d80d24c1d69756edb3d66485d1

    SHA1

    963e69344259b827ef50220f5d0e6eb5fb48c874

    SHA256

    93ec5e5903727794605a8db5715615d70a95e19bc1ab0e48504f0ff1ddabe887

    SHA512

    b4f5b0e55a1a16f41235fd541cb0fe313a15b116b049a7fcc78bf5b5af5610822427acfce3209533acb64fee4a0fbfca7b68d11e3d3372118a0a91d016235ea2

  • C:\Users\Admin\AppData\Roaming\PowerPoint 2016.exe
    Filesize

    27KB

    MD5

    f24251c4a9bc8f5613026d85ac28dbab

    SHA1

    9eb4b74cee39a1f44241b449fc872710f884924f

    SHA256

    ba75eac69192e61b4479bc36eac36b4f127298f6b4763a7f4ade06f085c980ac

    SHA512

    b5a1e69fff362cd2863c38b914a3145948aeb33838d3a419ac9f26abf269ac26023541a28c9e2038b94248467cec82063e078d27109d0600fdc29b2c695d32ca

  • C:\Users\Admin\AppData\Roaming\PowerPoint 2016.exe
    Filesize

    27KB

    MD5

    f24251c4a9bc8f5613026d85ac28dbab

    SHA1

    9eb4b74cee39a1f44241b449fc872710f884924f

    SHA256

    ba75eac69192e61b4479bc36eac36b4f127298f6b4763a7f4ade06f085c980ac

    SHA512

    b5a1e69fff362cd2863c38b914a3145948aeb33838d3a419ac9f26abf269ac26023541a28c9e2038b94248467cec82063e078d27109d0600fdc29b2c695d32ca

  • \Users\Admin\AppData\Roaming\PowerPoint 2016.exe
    Filesize

    27KB

    MD5

    f24251c4a9bc8f5613026d85ac28dbab

    SHA1

    9eb4b74cee39a1f44241b449fc872710f884924f

    SHA256

    ba75eac69192e61b4479bc36eac36b4f127298f6b4763a7f4ade06f085c980ac

    SHA512

    b5a1e69fff362cd2863c38b914a3145948aeb33838d3a419ac9f26abf269ac26023541a28c9e2038b94248467cec82063e078d27109d0600fdc29b2c695d32ca

  • memory/428-67-0x0000000000000000-mapping.dmp
  • memory/1396-60-0x0000000000000000-mapping.dmp
  • memory/1624-57-0x0000000000000000-mapping.dmp
  • memory/1624-65-0x00000000742A0000-0x000000007484B000-memory.dmp
    Filesize

    5.7MB

  • memory/1624-69-0x00000000742A0000-0x000000007484B000-memory.dmp
    Filesize

    5.7MB

  • memory/1716-66-0x0000000000000000-mapping.dmp
  • memory/2000-54-0x0000000076191000-0x0000000076193000-memory.dmp
    Filesize

    8KB

  • memory/2000-64-0x00000000742A0000-0x000000007484B000-memory.dmp
    Filesize

    5.7MB

  • memory/2000-55-0x00000000742A0000-0x000000007484B000-memory.dmp
    Filesize

    5.7MB