General

  • Target

    f9ff5bd2bfce7ec2c5ebe08357cec0ac76beb10037f77ceed4ceb766a15388be.exe

  • Size

    1.1MB

  • Sample

    230514-xa5gradb63

  • MD5

    91eab4f592328ee8a1f6a12566493b5a

  • SHA1

    6b2880ea027de24bb825eb2055c509406fbdffd9

  • SHA256

    f9ff5bd2bfce7ec2c5ebe08357cec0ac76beb10037f77ceed4ceb766a15388be

  • SHA512

    d302532eccb1c4ecc5e2a6ff4818959b84761f278f8f2fe6f8bb267d807a885a6f254ea30a4735ca94c79e35824f37ebef6fe3ed9ded4059a3937e2d0686f942

  • SSDEEP

    24576:DyythO81zDLJYOTADvqZZ8Qb0la9AobKVPLsAtIcs:WyvO81zDLJYOTGqf8Qb0UZQLPtI

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      f9ff5bd2bfce7ec2c5ebe08357cec0ac76beb10037f77ceed4ceb766a15388be.exe

    • Size

      1.1MB

    • MD5

      91eab4f592328ee8a1f6a12566493b5a

    • SHA1

      6b2880ea027de24bb825eb2055c509406fbdffd9

    • SHA256

      f9ff5bd2bfce7ec2c5ebe08357cec0ac76beb10037f77ceed4ceb766a15388be

    • SHA512

      d302532eccb1c4ecc5e2a6ff4818959b84761f278f8f2fe6f8bb267d807a885a6f254ea30a4735ca94c79e35824f37ebef6fe3ed9ded4059a3937e2d0686f942

    • SSDEEP

      24576:DyythO81zDLJYOTADvqZZ8Qb0la9AobKVPLsAtIcs:WyvO81zDLJYOTGqf8Qb0UZQLPtI

    • 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.

    • Windows security modification

    • 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

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks