Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2023 00:50

General

  • Target

    788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999.msi

  • Size

    967KB

  • MD5

    e435c7fe014ceb78e4bc09bf3f71c5d0

  • SHA1

    d895c75ea47413b96df4673e929cb55dab912306

  • SHA256

    788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999

  • SHA512

    e86a5d43dccbc44a6bdfd8967a51ec02d1741afda00d8fc6d63b45babf30e91a260603e9d3207160b9484a99fa7f3a8030674806c5b7f4e08188994b87f7c14a

  • SSDEEP

    24576:GGOw7MAFZjiaZBuc2g4jocf6p2XHXNNpbCClCtRGLovJX:QwHnjis3M6p2X/pbC7ALE

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2164
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4316
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 56EBEF4774B3B6399F97105FD19BBDF5
      2⤵
      • Loads dropped DLL
      PID:3880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2764

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Installer\MSI151E.tmp
    Filesize

    56KB

    MD5

    38a4250c5e678728a0cdf126f1cdd937

    SHA1

    d55553ab896f085fd5cd191022c64442c99f48a4

    SHA256

    63c4d968320e634b97542ccf0edffe130800314346c3316817813e62d7b7ee08

    SHA512

    cc00d1d5e6b074eff3245d3e8aa3020804a6bfd01516c7be7b05f671a93c6a56d9058738c422ad77eabb6c10e6c698a219dac7102e0b17dd941b11bfd60eb894

  • C:\Windows\Installer\MSI151E.tmp
    Filesize

    56KB

    MD5

    38a4250c5e678728a0cdf126f1cdd937

    SHA1

    d55553ab896f085fd5cd191022c64442c99f48a4

    SHA256

    63c4d968320e634b97542ccf0edffe130800314346c3316817813e62d7b7ee08

    SHA512

    cc00d1d5e6b074eff3245d3e8aa3020804a6bfd01516c7be7b05f671a93c6a56d9058738c422ad77eabb6c10e6c698a219dac7102e0b17dd941b11bfd60eb894

  • C:\Windows\Installer\MSI1771.tmp
    Filesize

    56KB

    MD5

    38a4250c5e678728a0cdf126f1cdd937

    SHA1

    d55553ab896f085fd5cd191022c64442c99f48a4

    SHA256

    63c4d968320e634b97542ccf0edffe130800314346c3316817813e62d7b7ee08

    SHA512

    cc00d1d5e6b074eff3245d3e8aa3020804a6bfd01516c7be7b05f671a93c6a56d9058738c422ad77eabb6c10e6c698a219dac7102e0b17dd941b11bfd60eb894

  • C:\Windows\Installer\MSI1771.tmp
    Filesize

    56KB

    MD5

    38a4250c5e678728a0cdf126f1cdd937

    SHA1

    d55553ab896f085fd5cd191022c64442c99f48a4

    SHA256

    63c4d968320e634b97542ccf0edffe130800314346c3316817813e62d7b7ee08

    SHA512

    cc00d1d5e6b074eff3245d3e8aa3020804a6bfd01516c7be7b05f671a93c6a56d9058738c422ad77eabb6c10e6c698a219dac7102e0b17dd941b11bfd60eb894

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
    Filesize

    23.0MB

    MD5

    1476be7e6d33b0c56266f5c5277de982

    SHA1

    995e21f80602bbe48e0723837671983c416dd63d

    SHA256

    21b7799016247a62543d5092ca8deade06474e27a0e4489ce25b1c55c70fe6de

    SHA512

    2158365161ed49922fc439e947a83bda424c9802d2690a67e7ebdaa6f125006ec64dfb2401734ba9e6c554f5027046ebb0bdab2143b27bccbd8e314c69d3d3f8

  • \??\Volume{06969d78-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{14c75601-690e-40b3-9101-1551bb17c862}_OnDiskSnapshotProp
    Filesize

    5KB

    MD5

    4c407f9aa3de6943a4836dd0bbe88429

    SHA1

    a7ea61573b4ba2c596c7e6013f1da67805d4865d

    SHA256

    8648dcb69e6d00c05fee65baecc884e35e61622c71e71ce09023a546c54f18f1

    SHA512

    3b17f20ed0f7f86b9b9c17f49f0b3c877f166e9966a9b8921a4a3c25296f8cc8bc60d7e84ebca6faa5a46b35dbaf995410fd0f80dd25a82d9f07e8c8519e9eb2

  • memory/3880-133-0x0000000000000000-mapping.dmp
  • memory/4316-132-0x0000000000000000-mapping.dmp