Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 03:04

General

  • Target

    8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe

  • Size

    12KB

  • MD5

    a935ad05746b25a6bea9be4bc7e981f3

  • SHA1

    ca41c1f91d4af77347d7516cd2a20775e82f0eec

  • SHA256

    8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f

  • SHA512

    981b3278cc1fa648ff9c19a88a60660d1190dfb18a6dbaa01dff93595f46aec415b71e7e905e2c7017d26c059759e3a2a7e9a3546fceef3ab1931eedd7ecfbbd

  • SSDEEP

    384:+L7li/2zEq2DcEQvdhcJKLTp/NK9xaHJ:o4M/Q9cHJ

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe
    "C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\pvrs1jzl\pvrs1jzl.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4BBE.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF7DC7821EAE84C8FAE382C45BF4F57DA.TMP"
        3⤵
          PID:1508
      • C:\Users\Admin\AppData\Local\Temp\tmp4A29.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp4A29.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:4648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      ba2de093c8b6163475ce7840d5f7e23f

      SHA1

      e87e40a7ab6723402a0e79d21489e69bb51d4586

      SHA256

      e4397db949a700fea646995c2d7180a2e110ccab8525df4788afd786e896095d

      SHA512

      62136ee258d664ff102aab7b08859e7bc0c334e9da117efa352965b0437db9087be5d00ac421a4dfef5ce2c1b4254e9ac41f0121dbdea8489f8d82caca38d185

    • C:\Users\Admin\AppData\Local\Temp\RES4BBE.tmp

      Filesize

      1KB

      MD5

      682f6905ed601be6aedeb6d7c3ebe74a

      SHA1

      39c77351e78a5defe9d8958f061aa08c6fe819ee

      SHA256

      2e248a8f038c5b9b8c16695c6829f3f9566c1e7a13eeefb7606613243f37af81

      SHA512

      984d3da75e19819f410e2831d7ad6064129e8bdf23484d9949ac85e3866d8ee14508915adad3fe6b2e31661262882d21f99361603ddc0a011abfdc1f82e4d12d

    • C:\Users\Admin\AppData\Local\Temp\pvrs1jzl\pvrs1jzl.0.vb

      Filesize

      2KB

      MD5

      a8f791d305a13b725261caf187cfda11

      SHA1

      dba1997f2eca205aa8d0ff7d47f32aa98cb35fce

      SHA256

      ed5133c871b81f68f0742e25189b85726b3e8af63421f593ac2dfede02901e64

      SHA512

      942a48ade97b325870773f9775c0bb8255fadeb2d6c0f03cfb8c8fa4abb210d2a0423895effdbf98c569beffb4bd582c18db8c7b8266357b0b1d82be5ca1c532

    • C:\Users\Admin\AppData\Local\Temp\pvrs1jzl\pvrs1jzl.cmdline

      Filesize

      273B

      MD5

      f7d1ba9563257665c3c554ee6301611f

      SHA1

      a44fea9caf41bad8550c2e9743640bc7552d76fa

      SHA256

      02236874f3a02a47232220bcb1df64f857560dfcac841e1bacc3abaef2e04a49

      SHA512

      7131b7e583c8264bb50b1233d7f7dc5c1653187511b115f0224cacf243d904c6d8dc6ca67eb92061da77f86740c72b592f2ff581c84954c7bbbb70f531939b0c

    • C:\Users\Admin\AppData\Local\Temp\tmp4A29.tmp.exe

      Filesize

      12KB

      MD5

      0de32f8975d132557f67db73b5403fa5

      SHA1

      4751a9725429faa6daa562e8fa53cbf66ac4c070

      SHA256

      4d8a1b076d11ff942e8e681307160ee6f78003148a3bd2c12a6f5a3d48c57feb

      SHA512

      7fc0a2b2dc2d11459dd2365566967940dd074638c216a7daa2494ce9c1b649c695a59b83c522f262ac86abfdab6f95e336e01c13a5cba9f62f35bc8d59148102

    • C:\Users\Admin\AppData\Local\Temp\vbcF7DC7821EAE84C8FAE382C45BF4F57DA.TMP

      Filesize

      1KB

      MD5

      d9570842db784417ae8600c233e4fe1b

      SHA1

      b751e10e78520d6147f5ca7d6c6635f7ecd552b8

      SHA256

      b92ed56a7bfffba03623ddfa5ef112cf3b5d4a83d7bea6ac0dd2917e3e94b2a0

      SHA512

      4c420ed34788b37529eea7398ec38cb9d19c5920c209bf0e1a7e8b389d5213fec912108037814d02faf69e3215f5a78305359d8a17003ffe3316e755e7497128

    • memory/1180-0-0x000000007465E000-0x000000007465F000-memory.dmp

      Filesize

      4KB

    • memory/1180-8-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1180-2-0x0000000005270000-0x000000000530C000-memory.dmp

      Filesize

      624KB

    • memory/1180-1-0x0000000000880000-0x000000000088A000-memory.dmp

      Filesize

      40KB

    • memory/1180-24-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-25-0x00000000005B0000-0x00000000005BA000-memory.dmp

      Filesize

      40KB

    • memory/4648-26-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-27-0x0000000005460000-0x0000000005A04000-memory.dmp

      Filesize

      5.6MB

    • memory/4648-28-0x0000000004F50000-0x0000000004FE2000-memory.dmp

      Filesize

      584KB

    • memory/4648-30-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB