General

  • Target

    b34526aa6b117d193c47b0e3a23d4145ab32bca9da64e5c1cf7ad74e1d37eae6

  • Size

    310KB

  • Sample

    220605-glgbasgeg9

  • MD5

    0dafafddb4d1e562de61a3da899229a0

  • SHA1

    eec5a759b066b0692a60e3cab4a66a2efd0a6f04

  • SHA256

    b34526aa6b117d193c47b0e3a23d4145ab32bca9da64e5c1cf7ad74e1d37eae6

  • SHA512

    db7e18317fe1f90c237cea9396d68224c9fa26e4303f5249fd58337abd71c0f7775afafff8f97d47c72e442660ba7ca88e94991ed29fd98d7748925314fc4775

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

mario10_05_50k

C2

176.122.23.55:32478

Attributes
  • auth_value

    8a0f0d4d76987def30f88d91e2c0388d

Targets

    • Target

      b34526aa6b117d193c47b0e3a23d4145ab32bca9da64e5c1cf7ad74e1d37eae6

    • Size

      310KB

    • MD5

      0dafafddb4d1e562de61a3da899229a0

    • SHA1

      eec5a759b066b0692a60e3cab4a66a2efd0a6f04

    • SHA256

      b34526aa6b117d193c47b0e3a23d4145ab32bca9da64e5c1cf7ad74e1d37eae6

    • SHA512

      db7e18317fe1f90c237cea9396d68224c9fa26e4303f5249fd58337abd71c0f7775afafff8f97d47c72e442660ba7ca88e94991ed29fd98d7748925314fc4775

    • RedLine

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

    • RedLine Payload

    • Tofsee

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

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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.

    • Deletes itself

    • Accesses Microsoft Outlook profiles

    • 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

Email Collection

1
T1114

Data from Local System

1
T1005

Tasks