General

  • Target

    7417e3fc3b2bdb451b871aff9a497c6289ab4d53eb1f36e3afddf6f393ea9feb

  • Size

    296KB

  • Sample

    220124-xjwk7shchm

  • MD5

    80b1e038b576e8e6dea2655f42bc08af

  • SHA1

    d63ac2b50b5c4f639bc618b719298394c8a97943

  • SHA256

    7417e3fc3b2bdb451b871aff9a497c6289ab4d53eb1f36e3afddf6f393ea9feb

  • SHA512

    e3a95ca746faf649efaca0092165c166f41d4bcc910372e08077176f47d59e1b6d0b4394cef7d61ddfab44c8a22b4c8467a958706eed23e33d6c923f0ab6aa1b

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      7417e3fc3b2bdb451b871aff9a497c6289ab4d53eb1f36e3afddf6f393ea9feb

    • Size

      296KB

    • MD5

      80b1e038b576e8e6dea2655f42bc08af

    • SHA1

      d63ac2b50b5c4f639bc618b719298394c8a97943

    • SHA256

      7417e3fc3b2bdb451b871aff9a497c6289ab4d53eb1f36e3afddf6f393ea9feb

    • SHA512

      e3a95ca746faf649efaca0092165c166f41d4bcc910372e08077176f47d59e1b6d0b4394cef7d61ddfab44c8a22b4c8467a958706eed23e33d6c923f0ab6aa1b

    • Arkei

      Arkei is an infostealer written in C++.

    • 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 for any installed AV software in registry

    • 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

Security Software Discovery

1
T1063

Collection

Data from Local System

2
T1005

Tasks