Analysis

  • max time kernel
    127s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 14:14

General

  • Target

    749112fd2fc84f3f5c1da92a3c8c14ff6dbacde09dd63e25a04e425ba25bab14.exe

  • Size

    1.0MB

  • MD5

    95d9aabe858db996384260fb5b1f5733

  • SHA1

    7eb8948df56ea27e21f08be892aa36936786ee79

  • SHA256

    749112fd2fc84f3f5c1da92a3c8c14ff6dbacde09dd63e25a04e425ba25bab14

  • SHA512

    1652ee398ef140b16e6e2e8477222579adbe6126b1a83089daf2586db54b2aff0dfcf0e2292b149477dd55dac9b85e47853b3eb893dea9b288c9fbc6aed72575

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\749112fd2fc84f3f5c1da92a3c8c14ff6dbacde09dd63e25a04e425ba25bab14.exe
    "C:\Users\Admin\AppData\Local\Temp\749112fd2fc84f3f5c1da92a3c8c14ff6dbacde09dd63e25a04e425ba25bab14.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UncTupoS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp554F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2876
    • C:\Users\Admin\AppData\Local\Temp\749112fd2fc84f3f5c1da92a3c8c14ff6dbacde09dd63e25a04e425ba25bab14.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5028

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp554F.tmp
  • memory/712-130-0x0000000000FB0000-0x00000000010C0000-memory.dmp
    Filesize

    1.1MB

  • memory/712-131-0x0000000005AA0000-0x0000000005B32000-memory.dmp
    Filesize

    584KB

  • memory/712-132-0x0000000005B40000-0x0000000005BDC000-memory.dmp
    Filesize

    624KB

  • memory/712-133-0x0000000007BB0000-0x0000000008154000-memory.dmp
    Filesize

    5.6MB

  • memory/2876-134-0x0000000000000000-mapping.dmp
  • memory/5028-137-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/5028-136-0x0000000000000000-mapping.dmp
  • memory/5028-138-0x00000000053A0000-0x0000000005406000-memory.dmp
    Filesize

    408KB

  • memory/5028-139-0x0000000006C70000-0x0000000006C7A000-memory.dmp
    Filesize

    40KB

  • memory/5028-140-0x0000000008260000-0x00000000082B0000-memory.dmp
    Filesize

    320KB