General

  • Target

    5612d130d9615f9c2540294600b5d82327a72bfc41d74a7042fbf65a0b6dae32

  • Size

    201KB

  • Sample

    220925-rqhd9sgccl

  • MD5

    d732b956f82e063913658ae60d06e205

  • SHA1

    963685423b990be1005a0d8f42a1ffd4eb214927

  • SHA256

    5612d130d9615f9c2540294600b5d82327a72bfc41d74a7042fbf65a0b6dae32

  • SHA512

    9efd288a0fca3d123cd7ecf695fd96d6544bf2129e5bae551c8d4a77522e648de5f53088cf4a825e28348dafbaff4396935f5445d936b022de04f247728c9ea3

  • SSDEEP

    3072:OTcCxBHIHj5xGdWhZG0qBd1Gx9UndwUY2BsGHB1GZxc/PkzXx:lgWfcHGx0dwL2sZx

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

      5612d130d9615f9c2540294600b5d82327a72bfc41d74a7042fbf65a0b6dae32

    • Size

      201KB

    • MD5

      d732b956f82e063913658ae60d06e205

    • SHA1

      963685423b990be1005a0d8f42a1ffd4eb214927

    • SHA256

      5612d130d9615f9c2540294600b5d82327a72bfc41d74a7042fbf65a0b6dae32

    • SHA512

      9efd288a0fca3d123cd7ecf695fd96d6544bf2129e5bae551c8d4a77522e648de5f53088cf4a825e28348dafbaff4396935f5445d936b022de04f247728c9ea3

    • SSDEEP

      3072:OTcCxBHIHj5xGdWhZG0qBd1Gx9UndwUY2BsGHB1GZxc/PkzXx:lgWfcHGx0dwL2sZx

    • 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.

    • 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

    • 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

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks