General

  • Target

    2c1f08c5f491608511c3dcb2fa6a34d5ab0f47f06038059c0850d5eb6b548cf9

  • Size

    690KB

  • Sample

    230324-avsx5adb2v

  • MD5

    8dc316e9e95e149bd6e898eb97c319f7

  • SHA1

    dbfc8f23c6bf3a8c6e69aec94644928c93e5a7f4

  • SHA256

    2c1f08c5f491608511c3dcb2fa6a34d5ab0f47f06038059c0850d5eb6b548cf9

  • SHA512

    0f20724e094f54d8fd0012124bd5b64b9516eedb003dd010982bcd43e65e7cfb5af329edd793ec6a65ff476f0686cc35fc711a87cd4b4f05f1608cc018cf42fb

  • SSDEEP

    12288:LUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:LUEH9beq7Ftz53CdP6T+V7SF

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      2c1f08c5f491608511c3dcb2fa6a34d5ab0f47f06038059c0850d5eb6b548cf9

    • Size

      690KB

    • MD5

      8dc316e9e95e149bd6e898eb97c319f7

    • SHA1

      dbfc8f23c6bf3a8c6e69aec94644928c93e5a7f4

    • SHA256

      2c1f08c5f491608511c3dcb2fa6a34d5ab0f47f06038059c0850d5eb6b548cf9

    • SHA512

      0f20724e094f54d8fd0012124bd5b64b9516eedb003dd010982bcd43e65e7cfb5af329edd793ec6a65ff476f0686cc35fc711a87cd4b4f05f1608cc018cf42fb

    • SSDEEP

      12288:LUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:LUEH9beq7Ftz53CdP6T+V7SF

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks