Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 12:18

General

  • Target

    fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe

  • Size

    1016KB

  • MD5

    75ed9790ee27e9d3fccee9c2ab3a413a

  • SHA1

    65d94cde9b36063a61f0a90426e59a68f943d2cd

  • SHA256

    fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362

  • SHA512

    3baf355fdfd3462ec4778696b71437b6a3a5e8d55e9013fcad0c93b8de6f3bc393e905e709c1df9609cbb83a8f020900d84daa4befcc487aa1ce7d8581545844

  • SSDEEP

    24576:BJviR+k4+sNEJiMSnpXqe3lM4wrEYAOjD:BFiHdiEJ1cpFV2QbO

Score
10/10

Malware Config

Signatures

  • Imminent RAT

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

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

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

  • 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.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe
    "C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Users\Admin\AppData\Roaming\lexaos.exe
      "C:\Users\Admin\AppData\Roaming\lexaos.exe"
      2⤵
      • Executes dropped EXE
      PID:4984
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe":ZONE.identifier & exit
      2⤵
      • NTFS ADS
      PID:5040
    • C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe
      "C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe.log

    Filesize

    223B

    MD5

    cde6529abeea500fb852f29ba0da6115

    SHA1

    45f2f48492417ae6a0eade8aaa808d3d1d760743

    SHA256

    d7f4964443470b6729865676d76f5f1f416da633033071c34ea5eb19cdea53b5

    SHA512

    c95fa7faf6a90f32060dba70f79c4d66c68d6eec587306fb98f36fc3ba5d377ebf9dabf47298b71db208fb10f7ccb4e0ed82236c8f26bcc746552588bbb38234

  • C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe

    Filesize

    1016KB

    MD5

    75ed9790ee27e9d3fccee9c2ab3a413a

    SHA1

    65d94cde9b36063a61f0a90426e59a68f943d2cd

    SHA256

    fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362

    SHA512

    3baf355fdfd3462ec4778696b71437b6a3a5e8d55e9013fcad0c93b8de6f3bc393e905e709c1df9609cbb83a8f020900d84daa4befcc487aa1ce7d8581545844

  • C:\Users\Admin\AppData\Local\Temp\fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362.exe

    Filesize

    1016KB

    MD5

    75ed9790ee27e9d3fccee9c2ab3a413a

    SHA1

    65d94cde9b36063a61f0a90426e59a68f943d2cd

    SHA256

    fc8c3adbe5d8951e7c078230ac179a27188edd0bd304b1713119dab42c6a8362

    SHA512

    3baf355fdfd3462ec4778696b71437b6a3a5e8d55e9013fcad0c93b8de6f3bc393e905e709c1df9609cbb83a8f020900d84daa4befcc487aa1ce7d8581545844

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

    Filesize

    633KB

    MD5

    5cf58cc20f968db529a4e71a929dcb7b

    SHA1

    bca3943516c03a7940c6747d8791ab3d11976e6b

    SHA256

    45c2950628e3f6c194bfe76606c358b0dd0af9cbe9adb0c699f299fbca522856

    SHA512

    b9ac14c62733deafb61e5e50be9070bb93fc10feb7dd793f9121ed92471c542b490881efe783646c6b9bafa756306888a03fe052ecf53be6dba6c02013919c2c

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

    Filesize

    633KB

    MD5

    5cf58cc20f968db529a4e71a929dcb7b

    SHA1

    bca3943516c03a7940c6747d8791ab3d11976e6b

    SHA256

    45c2950628e3f6c194bfe76606c358b0dd0af9cbe9adb0c699f299fbca522856

    SHA512

    b9ac14c62733deafb61e5e50be9070bb93fc10feb7dd793f9121ed92471c542b490881efe783646c6b9bafa756306888a03fe052ecf53be6dba6c02013919c2c

  • memory/1720-141-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1720-139-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1720-140-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1720-147-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/1720-149-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/3524-132-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/3524-133-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/3524-146-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/4984-148-0x00007FFB14250000-0x00007FFB14C86000-memory.dmp

    Filesize

    10.2MB