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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 16:30

General

  • Target

    79de67f43715e37caee15c1cc1b12a8456db2e72eab9c0131ce3a79f6fcf7f78N.exe

  • Size

    78KB

  • MD5

    83abbc2fa12cce90a34623228d1cf060

  • SHA1

    ccdefc4083b6f4a01cc9b5647a5a5555942794d6

  • SHA256

    79de67f43715e37caee15c1cc1b12a8456db2e72eab9c0131ce3a79f6fcf7f78

  • SHA512

    0c8b8deb59d1a9aa400a2ed6e20bb4dac18912b7aec6f5cbf00b78e663b556692da17f1bc8c8ef3fcd1bf4587a85dc640a3a9d91aa438e9b179a805dd1a1c92d

  • SSDEEP

    1536:9MV55AlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtW6ta9/k1Va:WV55AtWDDILJLovbicqOq3o+nw9/J

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79de67f43715e37caee15c1cc1b12a8456db2e72eab9c0131ce3a79f6fcf7f78N.exe
    "C:\Users\Admin\AppData\Local\Temp\79de67f43715e37caee15c1cc1b12a8456db2e72eab9c0131ce3a79f6fcf7f78N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\h-zcduz1.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE3CB.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE3CA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2888
    • C:\Users\Admin\AppData\Local\Temp\tmpE080.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpE080.tmp.exe" C:\Users\Admin\AppData\Local\Temp\79de67f43715e37caee15c1cc1b12a8456db2e72eab9c0131ce3a79f6fcf7f78N.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESE3CB.tmp

    Filesize

    1KB

    MD5

    27f87a2997031f2648f213b06c90e069

    SHA1

    bf1f763b8d4e9c112afaff1067786b2514cfec2a

    SHA256

    949aa95173884369733eaf092fb394104d2294b2ecd01bb0d8c7c218b0c52c29

    SHA512

    db95ea245664de3fe72663369c8d71090986a5f1d83648f7b69c8075a3eeebb375b7b19b37974db1bf836594d8311a0d8a835aed5132c2125fb448a1d7a4f91b

  • C:\Users\Admin\AppData\Local\Temp\h-zcduz1.0.vb

    Filesize

    14KB

    MD5

    b52caa88377c43f99aa5dc03421017d8

    SHA1

    36f1df4497a59005f891a0e1df1a13f1ed80f4b9

    SHA256

    4e21eb92d0c2b10dc1221f259e5e8eafc622f1381c167acbb4dd6b7c3fbdc8b4

    SHA512

    d6ccb9a63fd7c55593ceeb198b680a7f813465a0ebb18c51666229d551b708d2d64975f4faeb1299fc82334e9a17da579ec992b8677ae2607e60d46d70b8079d

  • C:\Users\Admin\AppData\Local\Temp\h-zcduz1.cmdline

    Filesize

    266B

    MD5

    dc2131c6d37380fc7f85a889c600e934

    SHA1

    66a212bd740c5dfc8b723c35aaba75f0da0ec3ae

    SHA256

    b2a99e26e10fbfdb54027828e073e4cc240a0a71075ff1128e9f076a5ce0b19d

    SHA512

    3c10f8edd720dd71a032756c32685ad375394742ac6607aaddf4adfedd785df421519e0082efcbd775cad372d2f730f98ebc585e4f840c0ad0ca4f6247fb0a7b

  • C:\Users\Admin\AppData\Local\Temp\tmpE080.tmp.exe

    Filesize

    78KB

    MD5

    c84c1032b75b7f8d96ba99834ba0340f

    SHA1

    4c66ce7ba7cc80f0261dfa1ecf18c3b73a5c097f

    SHA256

    303b733ba5fb639dc23f8d70d64840b9728091999a9088e173c2e7d9d54f92c3

    SHA512

    c38d9a71aeb2d5d361338f613c36aa8d3a9c5f33d8345d1da04cb1168a19d28d6092b770ab0e3a40d218efb02aeb9a803b44b177d792229c0191f2e4895fd3db

  • C:\Users\Admin\AppData\Local\Temp\vbcE3CA.tmp

    Filesize

    660B

    MD5

    a9bf8a338e44936152cdbe18d49a8460

    SHA1

    5af5a9684a59910976424e32a3c1d4b89021e6bd

    SHA256

    66147ee47b1c0ed25f548af4133fc372a849f2c91cf8404e6522ed957be96d50

    SHA512

    731947c4b4af2055f1c46a701e0632b5a4fbfc2aae70211f045f1d62fd4272f492c74428ac37aff0834e18c1664d99b05283c82b1b25f4723944e6c0d07e0958

  • C:\Users\Admin\AppData\Local\Temp\zCom.resources

    Filesize

    62KB

    MD5

    a26b0f78faa3881bb6307a944b096e91

    SHA1

    42b01830723bf07d14f3086fa83c4f74f5649368

    SHA256

    b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

    SHA512

    a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

  • memory/2236-8-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2236-18-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-0-0x0000000074611000-0x0000000074612000-memory.dmp

    Filesize

    4KB

  • memory/2592-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-24-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB