General

  • Target

    25fe2ca9ad178c937ffecc4ff789a26616e045ac000e3a01768c6f6877747e5e

  • Size

    188KB

  • Sample

    210917-fffxxaefg4

  • MD5

    89186b460a44feba8633ad97d866dcb0

  • SHA1

    3cc31ffbbd0370b51c0b354a74ebbb5fcfcc7a3f

  • SHA256

    25fe2ca9ad178c937ffecc4ff789a26616e045ac000e3a01768c6f6877747e5e

  • SHA512

    b74079840350a0361743f9e45703f047d04a5e683ece0b03b5709d68253b75214442f2f1edec293da0b195fd8e3614d7178791ea27afb4825c71b255014a5b95

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.6

Botnet

1015

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    1015

Targets

    • Target

      25fe2ca9ad178c937ffecc4ff789a26616e045ac000e3a01768c6f6877747e5e

    • Size

      188KB

    • MD5

      89186b460a44feba8633ad97d866dcb0

    • SHA1

      3cc31ffbbd0370b51c0b354a74ebbb5fcfcc7a3f

    • SHA256

      25fe2ca9ad178c937ffecc4ff789a26616e045ac000e3a01768c6f6877747e5e

    • SHA512

      b74079840350a0361743f9e45703f047d04a5e683ece0b03b5709d68253b75214442f2f1edec293da0b195fd8e3614d7178791ea27afb4825c71b255014a5b95

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Tasks