Overview

overview

10

Static

static

5

b741326d72...dd.exe

windows7_x64

10

b741326d72...dd.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:06

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General

  • Target

    b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd.exe

  • Size

    3.9MB

  • MD5

    855c397b671d85fb2422b31924f8af9f

  • SHA1

    a2750adf76a245c6f822dc9723e9660b833ca8d4

  • SHA256

    b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd

  • SHA512

    921183d5d9584b256150990fad2d5db8e37065fd1ed03ff7f9d0fd4324ae09da7000037f00e18cd9147b17ae38d2f1f4178d970740598561364b4e61605b3d09

Score
10/10
xmrigminer

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner Payload 4 IoCs
    miner
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd.exe
    "C:\Users\Admin\AppData\Local\Temp\b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd.exe
      "C:\Users\Admin\AppData\Local\Temp\b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 5 /TN "Adobe Service Task Host" /TR "C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4632
      • C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe
        "C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2116
        • C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe
          "C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe
    Filesize

    3.9MB

    MD5

    855c397b671d85fb2422b31924f8af9f

    SHA1

    a2750adf76a245c6f822dc9723e9660b833ca8d4

    SHA256

    b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd

    SHA512

    921183d5d9584b256150990fad2d5db8e37065fd1ed03ff7f9d0fd4324ae09da7000037f00e18cd9147b17ae38d2f1f4178d970740598561364b4e61605b3d09

    Download Submit
  • C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe
    Filesize

    3.9MB

    MD5

    855c397b671d85fb2422b31924f8af9f

    SHA1

    a2750adf76a245c6f822dc9723e9660b833ca8d4

    SHA256

    b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd

    SHA512

    921183d5d9584b256150990fad2d5db8e37065fd1ed03ff7f9d0fd4324ae09da7000037f00e18cd9147b17ae38d2f1f4178d970740598561364b4e61605b3d09

    Download Submit
  • C:\Users\Admin\AppData\Local\AdobeServiceInstaller\AdobeUpdateService.exe
    Filesize

    3.9MB

    MD5

    855c397b671d85fb2422b31924f8af9f

    SHA1

    a2750adf76a245c6f822dc9723e9660b833ca8d4

    SHA256

    b741326d7278ad9d3be13a80bcd3ead02ddb1a45c73d0c3f903d2ae0675643dd

    SHA512

    921183d5d9584b256150990fad2d5db8e37065fd1ed03ff7f9d0fd4324ae09da7000037f00e18cd9147b17ae38d2f1f4178d970740598561364b4e61605b3d09

    Download Submit
  • memory/2116-141-0x0000000000000000-mapping.dmp
    Download
  • memory/4340-144-0x0000000000000000-mapping.dmp
    Download
  • memory/4340-145-0x0000000000F00000-0x000000000108B000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/4340-153-0x0000000000F00000-0x000000000108B000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/4632-140-0x0000000000000000-mapping.dmp
    Download
  • memory/5108-131-0x0000000000000000-mapping.dmp
    Download
  • memory/5108-132-0x0000000000800000-0x000000000098B000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/5108-139-0x0000000000800000-0x000000000098B000-memory.dmp
    Filesize

    1.5MB

    Download