Analysis

  • max time kernel
    183s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2023 14:16

General

  • Target

    af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc.exe

  • Size

    12.5MB

  • MD5

    d412865db372ff51f4237c496025639b

  • SHA1

    9cd5409d3ecf569b61beac788215ff3711c0f6fc

  • SHA256

    af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc

  • SHA512

    661532765f49d56ff41119217b29719837f9773c396ba6d9efa95d21dcfabd3d7c89c2e688b7da9b9a984d760bc505d980be3ba2ad14b1359423a891c34508b1

  • SSDEEP

    393216:aqFZIAAa93h999999lvnMv+HmtFgWWgaxraJT4a:aPAN93h999999lMvmKgWKuTV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc.exe
    "C:\Users\Admin\AppData\Local\Temp\af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exe /i drvupdate-amd64.msi
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:3796
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 082EE3DEDC33805F8245CB0B0A40500B C
      2⤵
      • Loads dropped DLL
      PID:1804
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    PID:1096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exe

    Filesize

    59KB

    MD5

    1c9d8e8844535cd66165c26adcba2ca8

    SHA1

    79da07790f43325721f8c2ffa78b08693375c27b

    SHA256

    1e38c335d528fb87cfbb3b0aa5368a900a43d150b13b8bb6a20f5e95a65a2559

    SHA512

    589fb879b3467427c53b564abe074f0b404043002718b5c6959b0a8388a7153b432a3a24c14f0455e6bb53113409869ba9ab165739a20f68d85fab1a166d4ced

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exe

    Filesize

    59KB

    MD5

    1c9d8e8844535cd66165c26adcba2ca8

    SHA1

    79da07790f43325721f8c2ffa78b08693375c27b

    SHA256

    1e38c335d528fb87cfbb3b0aa5368a900a43d150b13b8bb6a20f5e95a65a2559

    SHA512

    589fb879b3467427c53b564abe074f0b404043002718b5c6959b0a8388a7153b432a3a24c14f0455e6bb53113409869ba9ab165739a20f68d85fab1a166d4ced

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\drvupdate-amd64.msi

    Filesize

    13.4MB

    MD5

    f56b5dece86a36b21080ed1ad1f4ce61

    SHA1

    d767e43144125c32e8c1eb52010d0ceb8a839331

    SHA256

    adad5d14465e698d99b4468a1bb407544edc021b39a492c9c46f404289d1f03f

    SHA512

    76a06a4d9a564370501a41729f74fd4cad10a9db1990a41c0718b31dda2b2eb52abbe78a79fc0dade84b4d124e67a67132f89e5642b5fc6f3dbb0db9f6cd1a6e

  • C:\Users\Admin\AppData\Local\Temp\MSIA17B.tmp

    Filesize

    31KB

    MD5

    ce13966ea37e92259fff5e8527df24fc

    SHA1

    8f0e7f47ab6ffdf024392e20116a8ce638c80ef1

    SHA256

    70eab588fc2b8243114f392506a1ad34035b40948662709bd6d8310f68c1d06e

    SHA512

    b76a1e0e6a1484e1b0cbd5d0865e4df8cbc7c4c5b9913cf99f7f7a3164019585adbf187b711e0444db89331cc12fdc860a78e1025be9c287aebc34693fd26860

  • C:\Users\Admin\AppData\Local\Temp\MSIA17B.tmp

    Filesize

    31KB

    MD5

    ce13966ea37e92259fff5e8527df24fc

    SHA1

    8f0e7f47ab6ffdf024392e20116a8ce638c80ef1

    SHA256

    70eab588fc2b8243114f392506a1ad34035b40948662709bd6d8310f68c1d06e

    SHA512

    b76a1e0e6a1484e1b0cbd5d0865e4df8cbc7c4c5b9913cf99f7f7a3164019585adbf187b711e0444db89331cc12fdc860a78e1025be9c287aebc34693fd26860