General

  • Target

    855b555e10d63f44704c3a183406e16c09f5c5f377d5f7b79b002682d5d5359e

  • Size

    355KB

  • Sample

    220128-2gaceaffb7

  • MD5

    45f75dadca4118b7ae1fc42ab4f16b34

  • SHA1

    5477751d79c62c60c63aefb4029109fdca9a44e7

  • SHA256

    855b555e10d63f44704c3a183406e16c09f5c5f377d5f7b79b002682d5d5359e

  • SHA512

    6366fb23c12fe84387dc728961ca86602a6e2f98e16d8f512b4ef89bb5eb16d9165fae642d5245bb8a12ccfda902a5edb75d1f4715bc5f63a6ba9a4f3df87558

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      855b555e10d63f44704c3a183406e16c09f5c5f377d5f7b79b002682d5d5359e

    • Size

      355KB

    • MD5

      45f75dadca4118b7ae1fc42ab4f16b34

    • SHA1

      5477751d79c62c60c63aefb4029109fdca9a44e7

    • SHA256

      855b555e10d63f44704c3a183406e16c09f5c5f377d5f7b79b002682d5d5359e

    • SHA512

      6366fb23c12fe84387dc728961ca86602a6e2f98e16d8f512b4ef89bb5eb16d9165fae642d5245bb8a12ccfda902a5edb75d1f4715bc5f63a6ba9a4f3df87558

    • 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