General

  • Target

    Member-tool_for_pc.exe

  • Size

    25.0MB

  • Sample

    240705-nhw1xaxdmj

  • MD5

    5499a0a526d954a38eba90a7bf84fd55

  • SHA1

    41ff47372a95d3a88ac7636f4293fb54fb39461f

  • SHA256

    3a6950d7c05336037ddc50edf71688e70f102ccafba012d83c7ae7d97cd248d5

  • SHA512

    ee1fbed7495da895457fce1a410547abaef045709c8900c16072b4fcec4c53b67c837d1c937d9a0d04df4d5a5abddcae68b401f2c7f4f101a28c76dc74f6be36

  • SSDEEP

    98304:Ir5PEtdFByRamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RbBMgJi35tMTR:Ir5+FMseN/FJMIDJf0gsAGK4RbuglTR

Malware Config

Targets

    • Target

      Member-tool_for_pc.exe

    • Size

      25.0MB

    • MD5

      5499a0a526d954a38eba90a7bf84fd55

    • SHA1

      41ff47372a95d3a88ac7636f4293fb54fb39461f

    • SHA256

      3a6950d7c05336037ddc50edf71688e70f102ccafba012d83c7ae7d97cd248d5

    • SHA512

      ee1fbed7495da895457fce1a410547abaef045709c8900c16072b4fcec4c53b67c837d1c937d9a0d04df4d5a5abddcae68b401f2c7f4f101a28c76dc74f6be36

    • SSDEEP

      98304:Ir5PEtdFByRamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RbBMgJi35tMTR:Ir5+FMseN/FJMIDJf0gsAGK4RbuglTR

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

System Information Discovery

4
T1082

Process Discovery

1
T1057

Query Registry

1
T1012

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks