Analysis

  • max time kernel
    92s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2024, 07:58

General

  • Target
    bd18658d395c0fdfa820b7b913292b3005128b84a08a2100c7c11b2e1c4a8015.exe
  • Size 12KB
  • Sample240609-jvb42sgf48
  • SHA256 bd18658d395c0fdfa820b7b913292b3005128b84a08a2100c7c11b2e1c4a8015
  • MD5 SHA1 SHA512 SSDEEP
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\bd18658d395c0fdfa820b7b913292b3005128b84a08a2100c7c11b2e1c4a8015.exe
    "C:\Users\Admin\AppData\Local\Temp\bd18658d395c0fdfa820b7b913292b3005128b84a08a2100c7c11b2e1c4a8015.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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\tr33g2us\tr33g2us.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1840
      • 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\RES4D64.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc90AA99D79F4C46E08185CCD7197B4D33.TMP"
        3⤵
          PID:2768
      • C:\Users\Admin\AppData\Local\Temp\tmp4C6B.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp4C6B.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bd18658d395c0fdfa820b7b913292b3005128b84a08a2100c7c11b2e1c4a8015.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:5100

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RE.resources

          • Path C:\Users\Admin\AppData\Local\Temp\RE.resources
          • Size 2KB
          • SHA256 4633bc55882b7c8a8958dae52caa90b0d657a2100bb899fc5d80dfa0b387c577
          • MD5 SHA1 SHA512

          RES4D64.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES4D64.tmp
          • Size 1KB
          • SHA256 a2c91c61e858c53f2abe753d6ed3c075941c31f3709d643f34db89578e8d6e56
          • MD5 SHA1 SHA512

          tmp4C6B.tmp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4C6B.tmp.exe
          • Size 12KB
          • SHA256 e91a34354d28900b382e1efc2dc5ade0393790e29210207bc6d0c7fb99098a71
          • MD5 SHA1 SHA512 SSDEEP

          tr33g2us.0.vb

          • Path C:\Users\Admin\AppData\Local\Temp\tr33g2us\tr33g2us.0.vb
          • Size 2KB
          • SHA256 177f23e8c91c89f8605f7c34efff76e6539bcf919f89328c5c172d40f801bd99
          • MD5 SHA1 SHA512

          tr33g2us.cmdline

          • Path C:\Users\Admin\AppData\Local\Temp\tr33g2us\tr33g2us.cmdline
          • Size 273B
          • SHA256 418bd5474558281270aaea62e326ef85eadb5dc16bf0ce543781a99c8cfac869
          • MD5 SHA1 SHA512

          vbc90AA99D79F4C46E08185CCD7197B4D33.TMP

          • Path C:\Users\Admin\AppData\Local\Temp\vbc90AA99D79F4C46E08185CCD7197B4D33.TMP
          • Size 1KB
          • SHA256 7b2338c01e2d9d598f713ee37d704076280e05a388c0f56d89432c211ed321f7
          • MD5 SHA1 SHA512

          memory/1168-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

          memory/1168-8-0x00000000746D0000-0x0000000074E80000-memory.dmp

          memory/1168-2-0x0000000005180000-0x000000000521C000-memory.dmp

          memory/1168-1-0x0000000000720000-0x000000000072A000-memory.dmp

          memory/1168-24-0x00000000746D0000-0x0000000074E80000-memory.dmp

          memory/5100-25-0x0000000000C90000-0x0000000000C9A000-memory.dmp

          memory/5100-26-0x00000000746D0000-0x0000000074E80000-memory.dmp

          memory/5100-27-0x0000000005B30000-0x00000000060D4000-memory.dmp

          memory/5100-28-0x0000000005620000-0x00000000056B2000-memory.dmp

          memory/5100-30-0x00000000746D0000-0x0000000074E80000-memory.dmp