Analysis

  • max time kernel
    9s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23-03-2021 11:05

General

  • Target

    a26b1a5af7e93bbda77b5f1639815d77.exe

  • Size

    1.4MB

  • MD5

    a26b1a5af7e93bbda77b5f1639815d77

  • SHA1

    38773c74da5bcf9cf59ac849507d5491ac13f838

  • SHA256

    4dadde2cc75cc00a99017299ecfe878299c6c6742ce3abbb198cb440b6b3ce4f

  • SHA512

    68a484b2818dc99be4a32e6bc0fda3f98e9220bea1eb83d935b5a7010d15f6f942e4268117b7d085ee32c590c96bb105051199e0c5e621f449aba34d4ea95d01

Malware Config

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a26b1a5af7e93bbda77b5f1639815d77.exe
    "C:\Users\Admin\AppData\Local\Temp\a26b1a5af7e93bbda77b5f1639815d77.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1216

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • memory/1008-3-0x0000000000000000-mapping.dmp
  • memory/1056-5-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp
    Filesize

    2.5MB

  • memory/1216-4-0x0000000000000000-mapping.dmp
  • memory/1684-2-0x00000000756A1000-0x00000000756A3000-memory.dmp
    Filesize

    8KB