General

  • Target

    c865344a337f66669c895acfc0d7aba9cf3d3998eb9cbb5c9825aa33d749f887.exe

  • Size

    1.1MB

  • Sample

    230514-w6rp4acg89

  • MD5

    014252b97ac035e4310e4bd7674fddac

  • SHA1

    1755484aefdc83a4e33cc63c3fbe4e3277a80dad

  • SHA256

    c865344a337f66669c895acfc0d7aba9cf3d3998eb9cbb5c9825aa33d749f887

  • SHA512

    2a706712373129dc0bc2ab6f6ea72edc065e7f70b03e5c5b438caf28cd6806a3f6e4bb9cd510f2027b52dfc855619c522be8fbd00301492d5d0ce7ed48e568b8

  • SSDEEP

    24576:qyywL9R+UhHiB9OE7w9K2VVTtDpB5s8ilF16Yt2DoW:xz+WG9Oew93HTt9kcYM

Malware Config

Extracted

Family

redline

Botnet

luka

C2

185.161.248.75:4132

Attributes
  • auth_value

    44560bcd37d6bf076da309730fdb519a

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Extracted

Family

redline

Botnet

GOVNISH

C2

94.142.138.219:20936

Attributes
  • auth_value

    3724ec7b213c9f4bd81d275dd597a33d

Targets

    • Target

      c865344a337f66669c895acfc0d7aba9cf3d3998eb9cbb5c9825aa33d749f887.exe

    • Size

      1.1MB

    • MD5

      014252b97ac035e4310e4bd7674fddac

    • SHA1

      1755484aefdc83a4e33cc63c3fbe4e3277a80dad

    • SHA256

      c865344a337f66669c895acfc0d7aba9cf3d3998eb9cbb5c9825aa33d749f887

    • SHA512

      2a706712373129dc0bc2ab6f6ea72edc065e7f70b03e5c5b438caf28cd6806a3f6e4bb9cd510f2027b52dfc855619c522be8fbd00301492d5d0ce7ed48e568b8

    • SSDEEP

      24576:qyywL9R+UhHiB9OE7w9K2VVTtDpB5s8ilF16Yt2DoW:xz+WG9Oew93HTt9kcYM

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Blocklisted process makes network request

    • 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.

    • Windows security modification

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks