Analysis

  • max time kernel
    89s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 02:15

General

  • Target

    e105c23e82b23eff3126ea0fbf0c8850fcd253b0dbfe4283ccc066b23ee638cd.exe

  • Size

    194KB

  • MD5

    00afdd8933d2197f45560071082c88ed

  • SHA1

    3c10cb3f935eff1d823ea82ef2d9f3bdca8d293f

  • SHA256

    e105c23e82b23eff3126ea0fbf0c8850fcd253b0dbfe4283ccc066b23ee638cd

  • SHA512

    0ed3a23fed09c2a77c5b54ca5179f4cac38bd594793833fb2131d5038a41ed28832db1922283bba532fd10524b64947c1935b5632f186a6c22f88229078796b1

  • SSDEEP

    3072:AzX4Fmy4utEZeIS4OrhWbrZ1zVIQoeZVya59w8dFarlwCXgI+RDa367OmJkGPLZf:f4xS4tbrKQoA3ow+2aaOFzb

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies Control Panel 8 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e105c23e82b23eff3126ea0fbf0c8850fcd253b0dbfe4283ccc066b23ee638cd.exe
    "C:\Users\Admin\AppData\Local\Temp\e105c23e82b23eff3126ea0fbf0c8850fcd253b0dbfe4283ccc066b23ee638cd.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Checks processor information in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.ttC20C.tmp.vbs"
      2⤵
        PID:4636
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3356
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:756
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4888

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\.ttC20C.tmp.vbs

      Filesize

      1002B

      MD5

      9df700c8f6fd43fac0a89aef04214bbd

      SHA1

      6ec8bc6d4041ccf19757757c0da6592469f71c57

      SHA256

      9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

      SHA512

      8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

    • C:\Windows\SysWOW64\blphc9pgj0el0k.scr

      Filesize

      116KB

      MD5

      b10a43b9044b488dc8c7d33b250cfebb

      SHA1

      50100ea46001cc84ec2047c2be142e8a44b94664

      SHA256

      5f81ba145a4cf8afff3eeefc8f22b4c69dadcb3cce5ce63abcc54de3d04e3eb3

      SHA512

      41f2539e0dd8405992f95ec3eeab166dd7d976f7e13b809d6706242f1aa5ccb6b2c92338caf155d43cff228f57da262a394804c602c1fd75652b0a0535c7b61c

    • C:\Windows\SysWOW64\blphc9pgj0el0k.scr

      Filesize

      116KB

      MD5

      b10a43b9044b488dc8c7d33b250cfebb

      SHA1

      50100ea46001cc84ec2047c2be142e8a44b94664

      SHA256

      5f81ba145a4cf8afff3eeefc8f22b4c69dadcb3cce5ce63abcc54de3d04e3eb3

      SHA512

      41f2539e0dd8405992f95ec3eeab166dd7d976f7e13b809d6706242f1aa5ccb6b2c92338caf155d43cff228f57da262a394804c602c1fd75652b0a0535c7b61c

    • memory/1312-133-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/1312-134-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/1312-135-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/1312-136-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/1312-137-0x0000000000A90000-0x0000000000AC0000-memory.dmp

      Filesize

      192KB

    • memory/1312-142-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/4636-138-0x0000000000000000-mapping.dmp