General

  • Target

    04387d0b7930ef47176e3ccc8a469d49757b151f184bb7af48e43bfa0086d328

  • Size

    169KB

  • Sample

    220923-h75rfsdea2

  • MD5

    38aacb45dc1457f70b8754884f2ef4db

  • SHA1

    d3eeca2b3ff23c275c884bfb2812b03ef146139b

  • SHA256

    04387d0b7930ef47176e3ccc8a469d49757b151f184bb7af48e43bfa0086d328

  • SHA512

    26e7044c12a5b4cd41f6bc95d8897d848bff4c8a13b386a4248a2fab2f2fe29245ad225452412fd914ec31d3d253f5b10061b3ba951e605176848ffef8e4acb6

  • SSDEEP

    3072:nYeLHipbD50+hWRXbRlSTd1Wd2PaoGX+g1BuRhZ3BJ3cZYM0L/PkW4n:1LHEDhWBAYdWaoOOhZE

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (Sup: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    56c6f7b9024c076f0a96931453da7e56

Targets

    • Target

      04387d0b7930ef47176e3ccc8a469d49757b151f184bb7af48e43bfa0086d328

    • Size

      169KB

    • MD5

      38aacb45dc1457f70b8754884f2ef4db

    • SHA1

      d3eeca2b3ff23c275c884bfb2812b03ef146139b

    • SHA256

      04387d0b7930ef47176e3ccc8a469d49757b151f184bb7af48e43bfa0086d328

    • SHA512

      26e7044c12a5b4cd41f6bc95d8897d848bff4c8a13b386a4248a2fab2f2fe29245ad225452412fd914ec31d3d253f5b10061b3ba951e605176848ffef8e4acb6

    • SSDEEP

      3072:nYeLHipbD50+hWRXbRlSTd1Wd2PaoGX+g1BuRhZ3BJ3cZYM0L/PkW4n:1LHEDhWBAYdWaoOOhZE

    • 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

    • Deletes itself

    • 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

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks