Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 21:04

General

  • Target

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe

  • Size

    501KB

  • MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

  • SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

  • SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

  • SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

  • SSDEEP

    12288:H4ZVq+aPYETWX9cfqrk1Y9ykRWdgYCYktspGzbgdVWuJdlIrW:HPcIeyqrk1Y99CpGO7aW

Malware Config

Signatures

  • Imminent RAT

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

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe
    "C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe"
    1⤵
    • Deletes itself
    • Loads dropped DLL
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe":ZONE.identifier & exit
      2⤵
      • NTFS ADS
      PID:632
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\2114197370.xml"
      2⤵
      • Creates scheduled task(s)
      PID:668
    • C:\Users\Admin\AppData\Roaming\csrss.exe
      "C:\Users\Admin\AppData\Roaming\csrss.exe" -keyhide -prochide 1680 -reg C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe -proc 1680 C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2114197370.xml

    Filesize

    1KB

    MD5

    b8e90e2ef934a282149fa432c01030e4

    SHA1

    efa4276e63fcff1aff2db6713a85998ff084bcef

    SHA256

    f6b5a518eb857a4c2203b682f4ac046cd82895d5ab782016bf1fc0bcde8fa4d9

    SHA512

    f564d9878647aa76ff81a98763922e6077b63ba06a5443a305390829d82eac3582e6ee5eb7bb82f5f6934b56d72d3efb8922951ecaadf753c2a7192b2797d46a

  • C:\Users\Admin\AppData\Local\Temp\e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3.exe

    Filesize

    501KB

    MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

    SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

    SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

    SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

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

    Filesize

    501KB

    MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

    SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

    SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

    SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

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

    Filesize

    501KB

    MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

    SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

    SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

    SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

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

    Filesize

    501KB

    MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

    SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

    SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

    SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

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

    Filesize

    501KB

    MD5

    93d9237d8a6aa1bf4012e4ee9d2954c8

    SHA1

    08e10e336b6c8fdd2ccd67cc3eeea06dd1599c65

    SHA256

    e7640b3fc1d0fa4b85f75510672bbf5e4445d5029573642bf58ba962cee2c7c3

    SHA512

    24ad60703732de52a65a58039b1b72be660acc9fd8d765e41d83be037ba888b0a9840c14dc94a90b9b399162db6ea64402f4fb3dcb32cbc71d7358b5573e65db

  • memory/1284-67-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1284-68-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

    Filesize

    8KB

  • memory/1680-56-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-55-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB