Analysis

  • max time kernel
    72s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2022, 06:25

General

  • Target
    00F722I0513E5S6006.msi
  • Size 1.6MB
  • Sample220818-g6mntadee2
  • SHA256 aab9f684d7629871f11665e4c195e04e77ac15714c2112e86f39c46d7bbbc2c7
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 16 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\00F722I0513E5S6006.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4464
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2424
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C54032E31CAB6D0A36B2C03F757777B9
      2⤵
      • Loads dropped DLL
      PID:4252
    • C:\Users\Admin\Documents\mwijs\juejadfd3.exe
      "C:\Users\Admin\Documents\mwijs\juejadfd3.exe"
      2⤵
      • Executes dropped EXE
      PID:2320
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4736

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        JSON.ahk

        • Path C:\Users\Admin\Documents\mwijs\JSON.ahk
        • Size 11KB
        • SHA256 bb85e4530ccd6355b3ef3506548b4f513bea844d1af37a69624c9c455521c70f
        • MD5 SHA1 SHA512 SSDEEP

        juejadfd3.ahk

        • Path C:\Users\Admin\Documents\mwijs\juejadfd3.ahk
        • Size 3KB
        • SHA256 6d9f1f48823d902a3a5e00b27a38deac735f55b147aee8f22c251a4fbfab58e6
        • MD5 SHA1 SHA512

        juejadfd3.exe

        • Path C:\Users\Admin\Documents\mwijs\juejadfd3.exe
        • Size 884KB
        • SHA256 3242e0a736ef8ac90430a9f272ff30a81e2afc146fcb84a25c6e56e8192791e4
        • MD5 SHA1 SHA512 SSDEEP

        MSIDD64.tmp

        • Path C:\Windows\Installer\MSIDD64.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDD64.tmp

        • Path C:\Windows\Installer\MSIDD64.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDF0B.tmp

        • Path C:\Windows\Installer\MSIDF0B.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDF0B.tmp

        • Path C:\Windows\Installer\MSIDF0B.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDF7A.tmp

        • Path C:\Windows\Installer\MSIDF7A.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDF7A.tmp

        • Path C:\Windows\Installer\MSIDF7A.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDFC9.tmp

        • Path C:\Windows\Installer\MSIDFC9.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIDFC9.tmp

        • Path C:\Windows\Installer\MSIDFC9.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIE0D4.tmp

        • Path C:\Windows\Installer\MSIE0D4.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE0D4.tmp

        • Path C:\Windows\Installer\MSIE0D4.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE172.tmp

        • Path C:\Windows\Installer\MSIE172.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE172.tmp

        • Path C:\Windows\Installer\MSIE172.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE192.tmp

        • Path C:\Windows\Installer\MSIE192.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE192.tmp

        • Path C:\Windows\Installer\MSIE192.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE2BC.tmp

        • Path C:\Windows\Installer\MSIE2BC.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE2BC.tmp

        • Path C:\Windows\Installer\MSIE2BC.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE4C0.tmp

        • Path C:\Windows\Installer\MSIE4C0.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        MSIE4C0.tmp

        • Path C:\Windows\Installer\MSIE4C0.tmp
        • Size 663KB
        • SHA256 08c8ca31a5b892e9c7159361d668a28766d611ec879be073a9157c9ece03cf2f
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 23.0MB
        • SHA256 283c343f3844c64da310308bc2690d0c96944286610e4858149180aeb4773d42
        • MD5 SHA1 SHA512 SSDEEP

        {ced94140-a9de-4f37-95d3-930aa11c67d9}_OnDiskSnapshotProp

        • Path \??\Volume{2fb4ccdc-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ced94140-a9de-4f37-95d3-930aa11c67d9}_OnDiskSnapshotProp
        • Size 5KB
        • SHA256 ff4a1d2aabf2cc6aa0affc42e0ca4f103114681a83efa990478d072deb82c5ae
        • MD5 SHA1 SHA512 SSDEEP