General

  • Target

    3db8f14b2034057194f0da8d6c6bc1d763d4095b60b748fab12d9857a02f1484

  • Size

    310KB

  • Sample

    220605-htzchsdafp

  • MD5

    1276b9f390d92e5033be1a883389baa0

  • SHA1

    0295ed017a58ff7dc43a6ef9fc0431fef672afed

  • SHA256

    3db8f14b2034057194f0da8d6c6bc1d763d4095b60b748fab12d9857a02f1484

  • SHA512

    c86622442dc6e05d81fa863116d4c80f1572405be7d01170776699c04f27dc8bedc156f074f6316592f2c657dba59f39af76fb3b9ea501ff0ec28d19a280cd17

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

      3db8f14b2034057194f0da8d6c6bc1d763d4095b60b748fab12d9857a02f1484

    • Size

      310KB

    • MD5

      1276b9f390d92e5033be1a883389baa0

    • SHA1

      0295ed017a58ff7dc43a6ef9fc0431fef672afed

    • SHA256

      3db8f14b2034057194f0da8d6c6bc1d763d4095b60b748fab12d9857a02f1484

    • SHA512

      c86622442dc6e05d81fa863116d4c80f1572405be7d01170776699c04f27dc8bedc156f074f6316592f2c657dba59f39af76fb3b9ea501ff0ec28d19a280cd17

    • 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