Overview

overview

10

Static

static

46921f04ca...6f.exe

windows7_x64

10

46921f04ca...6f.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-07-2022 08:22

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General

  • Target

    46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f.exe

  • Size

    61KB

  • MD5

    904453e88a179fcab967e54eefbf4c85

  • SHA1

    36c1aa1b9cc7ddae383f244a1b7222a326f832ea

  • SHA256

    46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f

  • SHA512

    ffc68895f032c72fc6da8f6352d6ac07dedb82606ddb5b78dff24f98a87160df37e198c894e0891528ed2c2aac6c67188ec0c1f26156f34b9e5f19dde2cac3a2

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f.exe
    "C:\Users\Admin\AppData\Local\Temp\46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\outlookUpdating.exe
      "C:\Users\Admin\AppData\Local\Temp\outlookUpdating.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\outlookUpdating.exe" "outlookUpdating.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\outlookUpdating.exe
    Filesize

    61KB

    MD5

    904453e88a179fcab967e54eefbf4c85

    SHA1

    36c1aa1b9cc7ddae383f244a1b7222a326f832ea

    SHA256

    46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f

    SHA512

    ffc68895f032c72fc6da8f6352d6ac07dedb82606ddb5b78dff24f98a87160df37e198c894e0891528ed2c2aac6c67188ec0c1f26156f34b9e5f19dde2cac3a2

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\outlookUpdating.exe
    Filesize

    61KB

    MD5

    904453e88a179fcab967e54eefbf4c85

    SHA1

    36c1aa1b9cc7ddae383f244a1b7222a326f832ea

    SHA256

    46921f04caaf575af7c2b27fe05bf0904952339c0b22577736148ce1119f966f

    SHA512

    ffc68895f032c72fc6da8f6352d6ac07dedb82606ddb5b78dff24f98a87160df37e198c894e0891528ed2c2aac6c67188ec0c1f26156f34b9e5f19dde2cac3a2

    Download Submit
  • memory/2384-132-0x0000000000000000-mapping.dmp
    Download
  • memory/2384-137-0x00007FFB55AF0000-0x00007FFB565B1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/2384-138-0x00007FFB55AF0000-0x00007FFB565B1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3456-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4392-130-0x00000000000A0000-0x00000000000B6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/4392-131-0x00007FFB55AF0000-0x00007FFB565B1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4392-135-0x00007FFB55AF0000-0x00007FFB565B1000-memory.dmp
    Filesize

    10.8MB

    Download