General

  • Target

    83b8c34a7c66b407be941e59a9ce7a84ee81a8dfad3cea67e86118e96221c749

  • Size

    2.1MB

  • Sample

    221120-ta4nnsae84

  • MD5

    592bef1e0325ada505ec4875d5727bc1

  • SHA1

    d6c6aa187d2b5aaff512c12948a426584382e92c

  • SHA256

    83b8c34a7c66b407be941e59a9ce7a84ee81a8dfad3cea67e86118e96221c749

  • SHA512

    38410a737b63a6cf123b08b74e836e75189ce6dae8d4491b4deab5791eff29a824be24d3d70a53ccaf3137222d79253385be5180fffc1e98a0a9c11b1b1e8d3e

  • SSDEEP

    49152:tBUOgQLgF1CiOBInpLNAZpCY3iEO+IVG5r:nU7CCtOmFNAP6O

Malware Config

Extracted

Family

warzonerat

C2

45.139.105.147:5200

Extracted

Family

marsstealer

Botnet

Default

C2

data.topababa.com/gate.php

Extracted

Family

bitrat

Version

1.38

C2

45.139.105.147:1234

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    temp

  • install_file

    svchost

  • tor_process

    tor

Targets

    • Target

      83b8c34a7c66b407be941e59a9ce7a84ee81a8dfad3cea67e86118e96221c749

    • Size

      2.1MB

    • MD5

      592bef1e0325ada505ec4875d5727bc1

    • SHA1

      d6c6aa187d2b5aaff512c12948a426584382e92c

    • SHA256

      83b8c34a7c66b407be941e59a9ce7a84ee81a8dfad3cea67e86118e96221c749

    • SHA512

      38410a737b63a6cf123b08b74e836e75189ce6dae8d4491b4deab5791eff29a824be24d3d70a53ccaf3137222d79253385be5180fffc1e98a0a9c11b1b1e8d3e

    • SSDEEP

      49152:tBUOgQLgF1CiOBInpLNAZpCY3iEO+IVG5r:nU7CCtOmFNAP6O

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • Mars Stealer

      An infostealer written in C++ based on other infostealers.

    • Modifies security service

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzone RAT payload

    • Executes dropped EXE

    • Stops running service(s)

    • 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 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Impact

Service Stop

1
T1489

Tasks