Analysis

  • max time kernel
    150s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 17:57

General

  • Target

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe

  • Size

    532KB

  • MD5

    85925b5131a1e454625a34f8c69a78a0

  • SHA1

    9f643052bfdffbf1dc3283f367e06f378e66c3f5

  • SHA256

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

  • SHA512

    e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

  • SSDEEP

    6144:TUzGE4pm3JDS83IwQ6BLgy8UlxIxE7y/x17p/UUvapaK6wtSBbMp0VUprkL1z2L7:TUN2Oy8Uy8U02+/vt/2cUctUw1C8Um

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
    "C:\Users\Admin\AppData\Local\Temp\04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Roaming\rasphone.exe
      "C:\Users\Admin\AppData\Roaming\rasphone.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Users\Admin\AppData\Roaming\csrss.exe
        "C:\Users\Admin\AppData\Roaming\csrss.exe" -reg "explorer.exe, C:\Users\Admin\AppData\Roaming\rasphone.exe" -proc 2024 C:\Users\Admin\AppData\Roaming\rasphone.exe
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\csrss.exe

    Filesize

    532KB

    MD5

    85925b5131a1e454625a34f8c69a78a0

    SHA1

    9f643052bfdffbf1dc3283f367e06f378e66c3f5

    SHA256

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

    SHA512

    e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

  • C:\Users\Admin\AppData\Roaming\csrss.exe

    Filesize

    532KB

    MD5

    85925b5131a1e454625a34f8c69a78a0

    SHA1

    9f643052bfdffbf1dc3283f367e06f378e66c3f5

    SHA256

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

    SHA512

    e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

  • \Users\Admin\AppData\Roaming\csrss.exe

    Filesize

    532KB

    MD5

    85925b5131a1e454625a34f8c69a78a0

    SHA1

    9f643052bfdffbf1dc3283f367e06f378e66c3f5

    SHA256

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

    SHA512

    e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

  • \Users\Admin\AppData\Roaming\csrss.exe

    Filesize

    532KB

    MD5

    85925b5131a1e454625a34f8c69a78a0

    SHA1

    9f643052bfdffbf1dc3283f367e06f378e66c3f5

    SHA256

    04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

    SHA512

    e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

  • memory/1020-68-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1020-66-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1816-58-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1816-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/1816-55-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2024-65-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2024-67-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB