General

  • Target

    73da121d98bdca9426ff5a71556d343d.exe

  • Size

    280KB

  • Sample

    220923-gxl1xshccq

  • MD5

    73da121d98bdca9426ff5a71556d343d

  • SHA1

    a961be6cb8e7a12727e4ef2e67037fd9b530688d

  • SHA256

    da59178b5bdf3c372a7ee466713990a0021e2ac5880b8d19b2ddb035ca0e2c9c

  • SHA512

    aed31e0f79037a85e455bf679ca0cbda3262e949fab4b21b83ab58367ce63e16e7bef3365bc94a20efe2395077d30670181dda47da68ad4efceca89d0c578fa9

  • SSDEEP

    6144:8BKNEDlt+TLUPyCMk9lgIiYW8VexrYYvL0+1ELigavwVfJ:8BCG+syCMkbiYW8exrYYI2

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

      73da121d98bdca9426ff5a71556d343d.exe

    • Size

      280KB

    • MD5

      73da121d98bdca9426ff5a71556d343d

    • SHA1

      a961be6cb8e7a12727e4ef2e67037fd9b530688d

    • SHA256

      da59178b5bdf3c372a7ee466713990a0021e2ac5880b8d19b2ddb035ca0e2c9c

    • SHA512

      aed31e0f79037a85e455bf679ca0cbda3262e949fab4b21b83ab58367ce63e16e7bef3365bc94a20efe2395077d30670181dda47da68ad4efceca89d0c578fa9

    • SSDEEP

      6144:8BKNEDlt+TLUPyCMk9lgIiYW8VexrYYvL0+1ELigavwVfJ:8BCG+syCMkbiYW8exrYYI2

    • 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 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

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks