General

  • Target

    4cabf1f4ce44d3bd6c680b3e51714a220752a098d5ba9ec8dd370a43edef5ee7

  • Size

    314KB

  • Sample

    220201-htfkeabac8

  • MD5

    0768ebb4e5486cada237587ffc7e7918

  • SHA1

    4df917cc11c9ced4463dbcbdf728e28f379ce018

  • SHA256

    4cabf1f4ce44d3bd6c680b3e51714a220752a098d5ba9ec8dd370a43edef5ee7

  • SHA512

    793107c27bae2aeaa63b383773793d7221914c8fe8236f5cb56bc0a253eb17f39352dd1253cb4d96a8105a646e993fe23c311216c1dfae511391651132c4549a

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      4cabf1f4ce44d3bd6c680b3e51714a220752a098d5ba9ec8dd370a43edef5ee7

    • Size

      314KB

    • MD5

      0768ebb4e5486cada237587ffc7e7918

    • SHA1

      4df917cc11c9ced4463dbcbdf728e28f379ce018

    • SHA256

      4cabf1f4ce44d3bd6c680b3e51714a220752a098d5ba9ec8dd370a43edef5ee7

    • SHA512

      793107c27bae2aeaa63b383773793d7221914c8fe8236f5cb56bc0a253eb17f39352dd1253cb4d96a8105a646e993fe23c311216c1dfae511391651132c4549a

    • 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