General

  • Target

    84d4e0d123226049ca6ef4f945a2debdc54ad24f5122143baef6525f2b6fb6fc

  • Size

    282KB

  • Sample

    220123-zkys3agdbm

  • MD5

    75df4edfc63e3bf63d57f6118eb9f334

  • SHA1

    55059eb2278babb99534e12a8ae1e48a3d54083b

  • SHA256

    84d4e0d123226049ca6ef4f945a2debdc54ad24f5122143baef6525f2b6fb6fc

  • SHA512

    55cb2c5f726866a1adc612c23c99c52fcb0e0db2555a07797627ec052dfa11eb6f09073631c747cbc946e66781df6155ed4b0dbc2df463b3429206ea98d1ddc6

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://coin-file-file-19.com/tratata.php

Targets

    • Target

      84d4e0d123226049ca6ef4f945a2debdc54ad24f5122143baef6525f2b6fb6fc

    • Size

      282KB

    • MD5

      75df4edfc63e3bf63d57f6118eb9f334

    • SHA1

      55059eb2278babb99534e12a8ae1e48a3d54083b

    • SHA256

      84d4e0d123226049ca6ef4f945a2debdc54ad24f5122143baef6525f2b6fb6fc

    • SHA512

      55cb2c5f726866a1adc612c23c99c52fcb0e0db2555a07797627ec052dfa11eb6f09073631c747cbc946e66781df6155ed4b0dbc2df463b3429206ea98d1ddc6

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Sets service image path in registry

    • 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

    • 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

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks