General

  • Target

    7b49988a41f87260871578ac40ee21ce66a9b8fc614775875675866ff13188e6

  • Size

    196KB

  • Sample

    220925-e1kwxsdca8

  • MD5

    17b8e5b1eaea4b290c7cb78dac201a09

  • SHA1

    24e2844dd79b501f13899f66faa8950762052092

  • SHA256

    7b49988a41f87260871578ac40ee21ce66a9b8fc614775875675866ff13188e6

  • SHA512

    1f9dd768b94814cb8e2e82ee85f5f666cb9c95218e9ae11955adeca8dc1173c83d50e45de8b546e13978202d1c71a7de9fa7b75ebcc076f42dda43118c18d3cd

  • SSDEEP

    3072:C982oLwTA29h6N5+2LbuY0daHcmIJz3NuCuOCB/X1/PkkXx:vLY9h2bJHcHJz3Nub

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @me_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    e136da06c7c0400f4091dab1787720ea

Targets

    • Target

      7b49988a41f87260871578ac40ee21ce66a9b8fc614775875675866ff13188e6

    • Size

      196KB

    • MD5

      17b8e5b1eaea4b290c7cb78dac201a09

    • SHA1

      24e2844dd79b501f13899f66faa8950762052092

    • SHA256

      7b49988a41f87260871578ac40ee21ce66a9b8fc614775875675866ff13188e6

    • SHA512

      1f9dd768b94814cb8e2e82ee85f5f666cb9c95218e9ae11955adeca8dc1173c83d50e45de8b546e13978202d1c71a7de9fa7b75ebcc076f42dda43118c18d3cd

    • SSDEEP

      3072:C982oLwTA29h6N5+2LbuY0daHcmIJz3NuCuOCB/X1/PkkXx:vLY9h2bJHcHJz3Nub

    • 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

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks