General

  • Target

    8faff18da27adc323f7f6c0750c7fc6d.exe

  • Size

    201KB

  • Sample

    220925-ptgk2aeff7

  • MD5

    8faff18da27adc323f7f6c0750c7fc6d

  • SHA1

    659381f335e0df6068b484ae140f6d187a3260e9

  • SHA256

    dc131f02d7979e9e02a35a7587bc9ac98155140f7b005892d15916893abe5cbf

  • SHA512

    9112e2bd83941e4f4d3c7c5408939bbc1d4ad5140d43b6727ec93f9db7d32807043f4b6da72ac85aba11f71fd8436221ed6cf624682aec0d29ff19c04d6b355b

  • SSDEEP

    3072:P3azNP1ZbUj5cAkddhTw/zh9O5y2DebVCqn8HbG8rdmB1nNOcaW/PkxXx:/Wakdd+/zh9cepCWebG8JW4

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @mr_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Targets

    • Target

      8faff18da27adc323f7f6c0750c7fc6d.exe

    • Size

      201KB

    • MD5

      8faff18da27adc323f7f6c0750c7fc6d

    • SHA1

      659381f335e0df6068b484ae140f6d187a3260e9

    • SHA256

      dc131f02d7979e9e02a35a7587bc9ac98155140f7b005892d15916893abe5cbf

    • SHA512

      9112e2bd83941e4f4d3c7c5408939bbc1d4ad5140d43b6727ec93f9db7d32807043f4b6da72ac85aba11f71fd8436221ed6cf624682aec0d29ff19c04d6b355b

    • SSDEEP

      3072:P3azNP1ZbUj5cAkddhTw/zh9O5y2DebVCqn8HbG8rdmB1nNOcaW/PkxXx:/Wakdd+/zh9cepCWebG8JW4

    • Detects Smokeloader packer

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

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

    • xmrig

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

    • XMRig Miner payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks