General

  • Target

    35fc6d1e464799851b89408a05bbf195ab4e93a8e6d7fcd54ba00020083893c9

  • Size

    280KB

  • Sample

    220923-bt2z3scga5

  • MD5

    7f483f7d3bb6769ea58c86abcb15ee25

  • SHA1

    387f3d795878ca61ae399f089347cd6eb9b4f813

  • SHA256

    35fc6d1e464799851b89408a05bbf195ab4e93a8e6d7fcd54ba00020083893c9

  • SHA512

    2a808f2f67fde593beaba0b33667996d2855150e0020215a46bd6a2f6f359303f694fea60f62446aa6de8f4b8a25550f09bd478d116d6e9805499a13759efb5b

  • SSDEEP

    6144:Vf+ChsoLyOwwDOkVQKy8mutONIUiB0mwfIigavwVf:Vf+gxuOwwD/PP1tg1fmi1

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (Sup: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    56c6f7b9024c076f0a96931453da7e56

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      35fc6d1e464799851b89408a05bbf195ab4e93a8e6d7fcd54ba00020083893c9

    • Size

      280KB

    • MD5

      7f483f7d3bb6769ea58c86abcb15ee25

    • SHA1

      387f3d795878ca61ae399f089347cd6eb9b4f813

    • SHA256

      35fc6d1e464799851b89408a05bbf195ab4e93a8e6d7fcd54ba00020083893c9

    • SHA512

      2a808f2f67fde593beaba0b33667996d2855150e0020215a46bd6a2f6f359303f694fea60f62446aa6de8f4b8a25550f09bd478d116d6e9805499a13759efb5b

    • SSDEEP

      6144:Vf+ChsoLyOwwDOkVQKy8mutONIUiB0mwfIigavwVf:Vf+gxuOwwD/PP1tg1fmi1

    • 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

    • Adds Run key to start application

    • 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

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

2
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