Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-06-2022 16:16

General

  • Target

    28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe

  • Size

    1.7MB

  • MD5

    ae7aa046774eb7bb3aae0e8e04007fcc

  • SHA1

    7caa8e686204b63c507dc03d4657988c8ded2472

  • SHA256

    28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788

  • SHA512

    5fb4fff7606b770b14138fe556a64cd865a1150738ecaaa38a9dd8fe90bb364b350efc2a907e5b6389700b8fa8f87532a559b2dc9549960529933b9451ed6e8c

Score
10/10

Malware Config

Signatures

  • Imminent RAT

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

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

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

  • Loads dropped DLL 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
    "C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
      "C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4376
    • C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
      "C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4488
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x320 0x2f8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2088
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:3404

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\bassmod.dll

      Filesize

      33KB

      MD5

      e4ec57e8508c5c4040383ebe6d367928

      SHA1

      b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06

      SHA256

      8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f

      SHA512

      77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822

    • C:\Users\Admin\AppData\Local\Temp\dup2patcher.dll

      Filesize

      463KB

      MD5

      97aedd5a683b05e0e48cb6b65b74eacf

      SHA1

      08c9cc1aaddb2843d4c6c4495aa21df1269ba18f

      SHA256

      3310f031e2ca4fda494eb49b386fa33d63cbc797a1244d6a0350f80656e97e26

      SHA512

      83c1f3a0b87407cbd403fc2dd66ee0676b01826085e8ba2e7349ce855da8442ad8a3f9021f10c4cd7dd31761571277eb3451ac1c05e5a8ed6b05624fb6a4d6e9

    • C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe

      Filesize

      493KB

      MD5

      a08d8b4101519dc1fda3b19687f794c5

      SHA1

      56258f9eb8d66902b61bf711f3c6c08c946d9deb

      SHA256

      54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652

      SHA512

      20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851

    • C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe

      Filesize

      493KB

      MD5

      a08d8b4101519dc1fda3b19687f794c5

      SHA1

      56258f9eb8d66902b61bf711f3c6c08c946d9deb

      SHA256

      54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652

      SHA512

      20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851

    • memory/2964-131-0x0000000074930000-0x0000000074EE1000-memory.dmp

      Filesize

      5.7MB

    • memory/2964-143-0x0000000074930000-0x0000000074EE1000-memory.dmp

      Filesize

      5.7MB

    • memory/2964-130-0x0000000074930000-0x0000000074EE1000-memory.dmp

      Filesize

      5.7MB

    • memory/4376-136-0x0000000071BD0000-0x0000000071C5C000-memory.dmp

      Filesize

      560KB

    • memory/4376-138-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/4376-140-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/4376-132-0x0000000000000000-mapping.dmp

    • memory/4376-145-0x0000000071BD0000-0x0000000071C5C000-memory.dmp

      Filesize

      560KB

    • memory/4488-139-0x0000000000000000-mapping.dmp

    • memory/4488-142-0x0000000074930000-0x0000000074EE1000-memory.dmp

      Filesize

      5.7MB

    • memory/4488-144-0x0000000074930000-0x0000000074EE1000-memory.dmp

      Filesize

      5.7MB