Overview

overview

8

Static

static

8f256b9b38...32.exe

windows7-x64

8

8f256b9b38...32.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    109s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 05:11

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General

  • Target

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

  • Size

    246KB

  • MD5

    e49674d4e8d40e42a9ce4a80f5435718

  • SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

  • SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

  • SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • SSDEEP

    3072:x9DN6r8pitRYykcpxDXCf3KUdWwsZYibnqihXnz1/coipCRVEQpsvIXEd/9Ox16:tTEfTrZUdWws57qiZZBmyE7Ox16

Score
8/10
persistenceupx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
    "C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
      "C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 1 localhost
          4⤵
          • Runs ping.exe
          PID:2152
        • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
          "C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4684
          • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
            "C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            PID:1568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.bat
    Filesize

    460B

    MD5

    ea0995a14602f4c8f52bb177ca50f270

    SHA1

    866dfe3e0e935dfacb2fdf4184259e70b2a2d359

    SHA256

    edc89087052dec28fda5774da073b9c6c9019a191aa907b4461234e2e552cfde

    SHA512

    3c3e1c75d09084a42687e7dcd73c45e670581101506565e7744353cbbe02fa224850f709abdf379ec989a2f6b8356bd1fcc191ef52edc2681c87f002e2688745

    Download Submit
  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

    Download Submit
  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

    Download Submit
  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

    Download Submit
  • memory/1008-139-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-140-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-142-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-137-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-138-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-135-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1008-134-0x0000000000000000-mapping.dmp
    Download
  • memory/1568-154-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1568-156-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1568-155-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

    Download
  • memory/1568-150-0x0000000000000000-mapping.dmp
    Download
  • memory/2152-144-0x0000000000000000-mapping.dmp
    Download
  • memory/2788-141-0x0000000000000000-mapping.dmp
    Download
  • memory/4684-145-0x0000000000000000-mapping.dmp
    Download