General

  • Target

    a53d50df7fd45816d60dae9008440e5a.exe

  • Size

    12.0MB

  • Sample

    220823-pl6vysheg2

  • MD5

    a53d50df7fd45816d60dae9008440e5a

  • SHA1

    4965f08f4c2013bf1e42c07cc1e10dc4e1d3280a

  • SHA256

    9dfc2b987cfac7d4b2dc842bef5d9680724a0d8a65bef2ef175ad2e5672e429b

  • SHA512

    f4bc8bb64e41e99538e499a537ce495883410891604bd7e31e66a06f69761aabb02eaa9a52cf011ed08881f34a6054254440d8b1028ac5546934af05e15a20e2

  • SSDEEP

    196608:cJPNkpvG050OTEK3WaCA/poracPhgviuif28YHr1DGBPrcQcOODq/Os2W2a8l2pa:myP5LTE9cprcPhIa2nrgQQcLDq/OPYpa

Malware Config

Extracted

Family

socelars

C2

https://hueduy.s3.eu-west-1.amazonaws.com/nbsdg818/

Extracted

Family

redline

Botnet

Crym

C2

15.235.171.56:30730

Attributes
  • auth_value

    cbe4e2f707ccba3ef47d8390a845041f

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

Targets

    • Target

      a53d50df7fd45816d60dae9008440e5a.exe

    • Size

      12.0MB

    • MD5

      a53d50df7fd45816d60dae9008440e5a

    • SHA1

      4965f08f4c2013bf1e42c07cc1e10dc4e1d3280a

    • SHA256

      9dfc2b987cfac7d4b2dc842bef5d9680724a0d8a65bef2ef175ad2e5672e429b

    • SHA512

      f4bc8bb64e41e99538e499a537ce495883410891604bd7e31e66a06f69761aabb02eaa9a52cf011ed08881f34a6054254440d8b1028ac5546934af05e15a20e2

    • SSDEEP

      196608:cJPNkpvG050OTEK3WaCA/poracPhgviuif28YHr1DGBPrcQcOODq/Os2W2a8l2pa:myP5LTE9cprcPhIa2nrgQQcLDq/OPYpa

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks