Analysis

  • max time kernel
    146s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2024, 01:13

General

  • Target
    ea673e0e6986e41a73c19dd2a9cfde3d2d4186ef52c23c1253dde2d54faca7b3.msi
  • Size 3.7MB
  • Sample240202-blfrwacfgr
  • SHA256 ea673e0e6986e41a73c19dd2a9cfde3d2d4186ef52c23c1253dde2d54faca7b3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 2 IoCs
  • Modifies file permissions 1 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.

  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 15 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ea673e0e6986e41a73c19dd2a9cfde3d2d4186ef52c23c1253dde2d54faca7b3.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1152
  • 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:1900
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DB032785993C818CC9960FE9A8C0D9A1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:1252
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:912
      • C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\apdproxy.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\apdproxy.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1136
        • \??\c:\temp\Autoit3.exe
          "c:\temp\Autoit3.exe" c:\temp\script.au3
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 164
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1656
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2800
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005C0" "00000000000003AC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        files.cab

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files.cab
        • Size 3.4MB
        • SHA256 b860f09732fad08ddb048b0322bc5df1a61fe7859dd91f6ca769a972bac4f5f3
        • MD5 SHA1 SHA512 SSDEEP

        MSVCP71.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\MSVCP71.dll
        • Size 488KB
        • SHA256 df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR71.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\MSVCR71.dll
        • Size 340KB
        • SHA256 8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
        • MD5 SHA1 SHA512 SSDEEP

        apdboot.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\apdboot.dll
        • Size 931KB
        • SHA256 51d197826bb62d23d4d926c914409ea8c66de149418cdd43137ddf1cafffe347
        • MD5 SHA1 SHA512 SSDEEP

        apdproxy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\apdproxy.exe
        • Size 62KB
        • SHA256 a16b93c374e77f98889d7ad7f38b2282dbc5a40511541b9105b1dcf9216c3cf3
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\files\sqlite3.dll
        • Size 1.6MB
        • SHA256 b6c0d1c8dfb907ce2d5bc7e493cfb1c5e1940f200475327dded1d3390c1d5c96
        • MD5 SHA1 SHA512 SSDEEP

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\msiwrapper.ini
        • Size 440B
        • SHA256 d3dcbe424349a49aaccc7329ce1bbde708b3cc1fe4bd6e3f4f289003e2fb691d
        • MD5 SHA1 SHA512

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-5bb5cfd4-cc8c-4922-ae4a-9ffaa0124967\msiwrapper.ini
        • Size 1KB
        • SHA256 f3c67527d36599ca23e936992272ef3b31cfe733d9b65b2e40ab0a5565a369ea
        • MD5 SHA1 SHA512

        MSI9F0D.tmp

        • Path C:\Windows\Installer\MSI9F0D.tmp
        • Size 208KB
        • SHA256 107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c
        • MD5 SHA1 SHA512 SSDEEP

        script.au3

        • Path \??\c:\temp\script.au3
        • Size 595KB
        • SHA256 64e1563ceef99893a1fe4ba93cd38763a68f2db5537545a08061e83af9fe299b
        • MD5 SHA1 SHA512 SSDEEP

        test.txt

        • Path \??\c:\temp\test.txt
        • Size 76B
        • SHA256 99426e8b0d9b6366436d7db6883c98d6a8c2e5825b13a167a0c7495494182276
        • MD5 SHA1 SHA512

        Autoit3.exe

        • Path \temp\Autoit3.exe
        • Size 872KB
        • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
        • MD5 SHA1 SHA512 SSDEEP

        memory/1136-91-0x0000000001FB0000-0x0000000002154000-memory.dmp

        memory/1136-112-0x0000000074A40000-0x0000000074B34000-memory.dmp

        memory/1136-113-0x0000000001FB0000-0x0000000002154000-memory.dmp

        memory/2148-106-0x00000000035F0000-0x00000000045C0000-memory.dmp

        memory/2148-107-0x0000000004CD0000-0x000000000501E000-memory.dmp

        memory/2148-109-0x0000000004CD0000-0x000000000501E000-memory.dmp