Resubmissions

12-08-2022 07:07

220812-hxszxacfe4 10

12-08-2022 06:41

220812-hfrqhsccf9 10

General

  • Target

    2f4fb5ce456ea53ff85beb68e9169db0.exe

  • Size

    907KB

  • Sample

    220812-hfrqhsccf9

  • MD5

    2f4fb5ce456ea53ff85beb68e9169db0

  • SHA1

    0784ae94ea2f6e3f145778f4931b08f8f689c3fd

  • SHA256

    8e5ea2bc3b2e0b05700912fb4a0d2c7bfb74ca0f31d273948ffe4fc3f584461d

  • SHA512

    42df59d0ccb7945adf515083dae9511fc4758e0a7b83bbbee30db65a98fadccaaffa61b260b317f299cacaa504735f7daca8a146ed6c2cd56ad274982b6461e5

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

5

C2

176.113.115.146:9582

Attributes
  • auth_value

    d38b30c1ccd6c1e5088d9e5bd9e51b0f

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Extracted

Family

redline

Botnet

RuXaRR_GG

C2

insttaller.com:40915

Attributes
  • auth_value

    4a733ff307847db3ee220c11d113a305

Targets

    • Target

      2f4fb5ce456ea53ff85beb68e9169db0.exe

    • Size

      907KB

    • MD5

      2f4fb5ce456ea53ff85beb68e9169db0

    • SHA1

      0784ae94ea2f6e3f145778f4931b08f8f689c3fd

    • SHA256

      8e5ea2bc3b2e0b05700912fb4a0d2c7bfb74ca0f31d273948ffe4fc3f584461d

    • SHA512

      42df59d0ccb7945adf515083dae9511fc4758e0a7b83bbbee30db65a98fadccaaffa61b260b317f299cacaa504735f7daca8a146ed6c2cd56ad274982b6461e5

    • RedLine

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

    • RedLine payload

    • Downloads MZ/PE file

    • 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