General

  • Target

    SecureTelegram.exe

  • Size

    37.0MB

  • Sample

    240630-wedzxs1gkc

  • MD5

    704c4cb99b74b3bf258a99ebe601a9b1

  • SHA1

    ab66a01cb4f912e76ed4af4aa999d80fb63edf83

  • SHA256

    3134316cd5f860361755f9370505e440ee9fd91a2e15ae8c27bf5aceafb70030

  • SHA512

    442c596beb5035c4fad8ef141e889c9d286d93694877a2a82b3081322de04b32c7fade62f7743c7a8852df0a2f3707a075b5ad1bee083a5714d8056ecf3c9259

  • SSDEEP

    786432:qRQBrRSY+R46huYqwAO4YoMGD6Oaf3ooHLl0UAlYBLe+9qz7fEg:qROrRR+R4WurwAO49QvocBAlYBLe+G7R

Malware Config

Targets

    • Target

      SecureTelegram.exe

    • Size

      37.0MB

    • MD5

      704c4cb99b74b3bf258a99ebe601a9b1

    • SHA1

      ab66a01cb4f912e76ed4af4aa999d80fb63edf83

    • SHA256

      3134316cd5f860361755f9370505e440ee9fd91a2e15ae8c27bf5aceafb70030

    • SHA512

      442c596beb5035c4fad8ef141e889c9d286d93694877a2a82b3081322de04b32c7fade62f7743c7a8852df0a2f3707a075b5ad1bee083a5714d8056ecf3c9259

    • SSDEEP

      786432:qRQBrRSY+R46huYqwAO4YoMGD6Oaf3ooHLl0UAlYBLe+9qz7fEg:qROrRR+R4WurwAO49QvocBAlYBLe+G7R

    • Command and Scripting Interpreter: PowerShell

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

    • Stops running service(s)

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks