Analysis

  • max time kernel
    159s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 01:18

General

  • Target
    47a81bb95d5df66aaaec60f43a16f5a9.jar
  • Size 647KB
  • Sample240107-bpbmbsdag4
  • SHA256 a31ec5c2a3c455a99004163f3ec88fc999c4da53f9dd61e0744309ab3d410756
  • 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.

  • Modifies file permissions 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\47a81bb95d5df66aaaec60f43a16f5a9.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:4048
    • C:\Windows\SYSTEM32\wscript.exe
      wscript C:\Users\Admin\ortflptqle.js
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Program Files\Java\jre-1.8\bin\javaw.exe
        "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\qokwcvzm.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4024
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.7633716088374698505682129682760323.class
          4⤵
            PID:3236

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          3903daac9bc4a3b7.timestamp

          • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
          • Size 46B
          • SHA256 b1a43d5335d60778eedc21038437d17fb2f2db60bc77dfe786104a0a1ca1e784
          • MD5 SHA1 SHA512

          3903daac9bc4a3b7.timestamp

          • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
          • Size 46B
          • SHA256 84a4d1b8b7e5ee77bf7f4b8e607195ef1e3dad11f4bdb2c1c8cd55ee72e8e466
          • MD5 SHA1 SHA512

          _0.7633716088374698505682129682760323.class

          • Path C:\Users\Admin\AppData\Local\Temp\_0.7633716088374698505682129682760323.class
          • Size 241KB
          • SHA256 97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
          • MD5 SHA1 SHA512 SSDEEP

          83aa4cc77f591dfc2374580bbd95f6ba_eefe159c-12f0-419a-b98f-36c89e24da0c

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3073191680-435865314-2862784915-1000\83aa4cc77f591dfc2374580bbd95f6ba_eefe159c-12f0-419a-b98f-36c89e24da0c
          • Size 45B
          • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
          • MD5 SHA1 SHA512

          qokwcvzm.txt

          • Path C:\Users\Admin\AppData\Roaming\qokwcvzm.txt
          • Size 479KB
          • SHA256 e2e441ad0d6f57b43874e342e9c43517890134ad1ff75fe193b73ca44a22cbe1
          • MD5 SHA1 SHA512 SSDEEP

          ortflptqle.js

          • Path C:\Users\Admin\ortflptqle.js
          • Size 1022KB
          • SHA256 ea446f0b29b00d650d7069b632195fa9a8970f5387b722bd6393256665461274
          • MD5 SHA1 SHA512 SSDEEP

          memory/3236-44-0x00000293B62D0000-0x00000293B72D0000-memory.dmp

          memory/3236-109-0x00000293B62D0000-0x00000293B72D0000-memory.dmp

          memory/3236-106-0x00000293B62D0000-0x00000293B72D0000-memory.dmp

          memory/3236-86-0x00000293B4AD0000-0x00000293B4AD1000-memory.dmp

          memory/3236-53-0x00000293B4AD0000-0x00000293B4AD1000-memory.dmp

          memory/3996-16-0x000001B9EE2F0000-0x000001B9EE2F1000-memory.dmp

          memory/3996-2-0x000001B9EFB30000-0x000001B9F0B30000-memory.dmp

          memory/3996-13-0x000001B9EE2F0000-0x000001B9EE2F1000-memory.dmp

          memory/3996-12-0x000001B9EFB30000-0x000001B9F0B30000-memory.dmp

          memory/3996-11-0x000001B9EE2F0000-0x000001B9EE2F1000-memory.dmp

          memory/4024-36-0x0000014CDAF10000-0x0000014CDAF11000-memory.dmp

          memory/4024-96-0x0000014CDAF30000-0x0000014CDBF30000-memory.dmp

          memory/4024-76-0x0000014CDAF30000-0x0000014CDBF30000-memory.dmp

          memory/4024-104-0x0000014CDAF30000-0x0000014CDBF30000-memory.dmp

          memory/4024-32-0x0000014CDAF10000-0x0000014CDAF11000-memory.dmp

          memory/4024-24-0x0000014CDAF30000-0x0000014CDBF30000-memory.dmp