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General

  • Target

    3dee4f24b15b8ddd995316aed99f4e4f2f98b6e66105410d543f0646b85aa775

  • Size

    1.0MB

  • Sample

    230525-s3715aba75

  • MD5

    b0ac4be3ad35a4d63a610235b9c1c745

  • SHA1

    3e4f020d5f3daf08cb1a4486b2dd801363f0e560

  • SHA256

    3dee4f24b15b8ddd995316aed99f4e4f2f98b6e66105410d543f0646b85aa775

  • SHA512

    48caa71d39c3b4380074ee2f115a7e22261d59d1d7c9410f149c1afecc73905b4c23527502b339ec6d66b59c16a5cc0402ab0af90120add7af1f30a78b9d6cbb

  • SSDEEP

    24576:Byij5IkNz2AIY+CSeWDPAvO7CeNKPVFl+XLP5V:0QIn70SLIOvIVyj

Malware Config

Extracted

Family

redline

Botnet

lina

C2

83.97.73.122:19062

Attributes
  • auth_value

    13523aee5d194d7716b22eeab7de10ad

Extracted

Family

redline

Botnet

fash

C2

83.97.73.122:19062

Attributes
  • auth_value

    dd7165bcd22b0ed3df426d944e12f136

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6237712604:AAESgAGfaQ0EUC8eWgMd7kpAW_FEGRDRfDs/sendMessage?chat_id=880824160

Extracted

Family

redline

Botnet

crypto

C2

163.123.142.235:61068

Targets

    • Target

      3dee4f24b15b8ddd995316aed99f4e4f2f98b6e66105410d543f0646b85aa775

    • Size

      1.0MB

    • MD5

      b0ac4be3ad35a4d63a610235b9c1c745

    • SHA1

      3e4f020d5f3daf08cb1a4486b2dd801363f0e560

    • SHA256

      3dee4f24b15b8ddd995316aed99f4e4f2f98b6e66105410d543f0646b85aa775

    • SHA512

      48caa71d39c3b4380074ee2f115a7e22261d59d1d7c9410f149c1afecc73905b4c23527502b339ec6d66b59c16a5cc0402ab0af90120add7af1f30a78b9d6cbb

    • SSDEEP

      24576:Byij5IkNz2AIY+CSeWDPAvO7CeNKPVFl+XLP5V:0QIn70SLIOvIVyj

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Downloads MZ/PE file

    • 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.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks