Overview

overview

8

Static

static

0cb3b41c1d...49.exe

windows7_x64

8

0cb3b41c1d...49.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 21:56

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149.exe

  • Size

    32KB

  • MD5

    8b2046913245ac538271b9691210ca57

  • SHA1

    437609ea4ce1f5d7e00fe55c8ec3b8e6ac3c8e55

  • SHA256

    0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149

  • SHA512

    0b3f1c9d9c970dc01d4ec05ae839b5d8f34a0b0118c17ae51d492bc65d7b4e13206947189da7a68a73c26ace69e3fa888dec8861482752be4f06d98436076238

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149.exe
    "C:\Users\Admin\AppData\Local\Temp\0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:728
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
          PID:1708

    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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\server.exe
      Filesize

      32KB

      MD5

      8b2046913245ac538271b9691210ca57

      SHA1

      437609ea4ce1f5d7e00fe55c8ec3b8e6ac3c8e55

      SHA256

      0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149

      SHA512

      0b3f1c9d9c970dc01d4ec05ae839b5d8f34a0b0118c17ae51d492bc65d7b4e13206947189da7a68a73c26ace69e3fa888dec8861482752be4f06d98436076238

      Download Submit
    • C:\Users\Admin\AppData\Roaming\server.exe
      Filesize

      32KB

      MD5

      8b2046913245ac538271b9691210ca57

      SHA1

      437609ea4ce1f5d7e00fe55c8ec3b8e6ac3c8e55

      SHA256

      0cb3b41c1d5c11a3a15b323fae6449a61f67c9b50bc8d1c35d409c510a7d9149

      SHA512

      0b3f1c9d9c970dc01d4ec05ae839b5d8f34a0b0118c17ae51d492bc65d7b4e13206947189da7a68a73c26ace69e3fa888dec8861482752be4f06d98436076238

      Download Submit
    • memory/728-131-0x0000000000000000-mapping.dmp
      Download
    • memory/728-134-0x0000000075470000-0x0000000075A21000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1708-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4652-130-0x0000000075470000-0x0000000075A21000-memory.dmp
      Filesize

      5.7MB

      Download