General

  • Target

    33e9397edff882df204cc7bd7dbb433cb049a2b597b652754012892ed30f87a6

  • Size

    310KB

  • Sample

    220119-b13j7aeee5

  • MD5

    507fb2556918322cdbb18572312f85f6

  • SHA1

    012dfb82bccc57acec121566697dd36380e6bf67

  • SHA256

    33e9397edff882df204cc7bd7dbb433cb049a2b597b652754012892ed30f87a6

  • SHA512

    abe6f4dfff52f73385436f9dd594dd14af890fa8829d4d21e98c31f0717ce2edcc2f49135d01f4a4e4f063f4a91915a6546d6172565851851bbf8ae14ba50032

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      33e9397edff882df204cc7bd7dbb433cb049a2b597b652754012892ed30f87a6

    • Size

      310KB

    • MD5

      507fb2556918322cdbb18572312f85f6

    • SHA1

      012dfb82bccc57acec121566697dd36380e6bf67

    • SHA256

      33e9397edff882df204cc7bd7dbb433cb049a2b597b652754012892ed30f87a6

    • SHA512

      abe6f4dfff52f73385436f9dd594dd14af890fa8829d4d21e98c31f0717ce2edcc2f49135d01f4a4e4f063f4a91915a6546d6172565851851bbf8ae14ba50032

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • 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

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