General

  • Target

    e374415b07f8e63629514287e5856e92a2713a6ad518be339b67ad5ca34ba626

  • Size

    625KB

  • Sample

    230604-r6fwdadb3v

  • MD5

    1cbbdfc13ab75357f14b067771006d95

  • SHA1

    7580771ca9bff88650f62961deaab635edaf66f2

  • SHA256

    e374415b07f8e63629514287e5856e92a2713a6ad518be339b67ad5ca34ba626

  • SHA512

    1100db1f1a97009a586351b9c232541999ccd4a624f35132cf434d95c9b8ec5da5e9f0de811a6429c57184e56bebd581d1be098775866ed271184c44a51b1ba8

  • SSDEEP

    12288:SMrJy90meqij9i6fTR5eRYod7A8fsUTQ29HtuYTNzT1+Rkb:7yfUla/lTQ29wylvb

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      e374415b07f8e63629514287e5856e92a2713a6ad518be339b67ad5ca34ba626

    • Size

      625KB

    • MD5

      1cbbdfc13ab75357f14b067771006d95

    • SHA1

      7580771ca9bff88650f62961deaab635edaf66f2

    • SHA256

      e374415b07f8e63629514287e5856e92a2713a6ad518be339b67ad5ca34ba626

    • SHA512

      1100db1f1a97009a586351b9c232541999ccd4a624f35132cf434d95c9b8ec5da5e9f0de811a6429c57184e56bebd581d1be098775866ed271184c44a51b1ba8

    • SSDEEP

      12288:SMrJy90meqij9i6fTR5eRYod7A8fsUTQ29HtuYTNzT1+Rkb:7yfUla/lTQ29wylvb

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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 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.

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks