General

  • Target

    40bfa7ca072097a7f98ce5d7c8cfda52.exe

  • Size

    928KB

  • Sample

    220801-kbvmqaedf6

  • MD5

    40bfa7ca072097a7f98ce5d7c8cfda52

  • SHA1

    55b194f8a2b068617d5abcb9bbbdd1bbd48ca2c5

  • SHA256

    e7924441cf355557372d5d058eeb30341f9bb4be80f54449ea66b288d183b928

  • SHA512

    d6162425d1aca533e65db7b1e13c60633f2c9713067901c3f5c252f25cba395537d34ce6dc9a6df8951c12544eca7200c2e78d8ca024dd1e9195975f760d1989

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:18728

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

alex

C2

185.106.92.128:16509

Attributes
  • auth_value

    4f79d5b8f5aae9e19c9693489b4872c0

Extracted

Family

redline

Botnet

4

C2

31.41.244.134:11643

Attributes
  • auth_value

    a516b2d034ecd34338f12b50347fbd92

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Extracted

Family

raccoon

Botnet

afb5c633c4650f69312baef49db9dfa4

C2

http://77.73.132.84

rc4.plain

Extracted

Family

raccoon

Botnet

f0c8034c83808635df0d9d8726d1bfd6

C2

http://45.95.11.158/

rc4.plain

Targets

    • Target

      40bfa7ca072097a7f98ce5d7c8cfda52.exe

    • Size

      928KB

    • MD5

      40bfa7ca072097a7f98ce5d7c8cfda52

    • SHA1

      55b194f8a2b068617d5abcb9bbbdd1bbd48ca2c5

    • SHA256

      e7924441cf355557372d5d058eeb30341f9bb4be80f54449ea66b288d183b928

    • SHA512

      d6162425d1aca533e65db7b1e13c60633f2c9713067901c3f5c252f25cba395537d34ce6dc9a6df8951c12544eca7200c2e78d8ca024dd1e9195975f760d1989

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks