General

  • Target

    7605052bbfa914b26d5cc12427c147b38965a836c8dbe59bf0e032dfb0b57891

  • Size

    4.0MB

  • Sample

    221028-tak7bsgecm

  • MD5

    d2b3d51c1fe8072e70c1067a4856ceed

  • SHA1

    a1e76eaacdedd1806784d5af8e32198717a60ddd

  • SHA256

    7605052bbfa914b26d5cc12427c147b38965a836c8dbe59bf0e032dfb0b57891

  • SHA512

    96a37fb0af3b60033816d24fcbd6330b393ec4b398411fa90437acd256129c0fbdc75afb4fd5b8fd7a8ea5aa8150ae157ca6f0e045c5c7fac20913ce426bf727

  • SSDEEP

    98304:xjXxj+HYnb8BZ1jMwu3lMz2dU3YNTAf5HgCvLUBsK05:xjXxj+HYQBZ1jMwQs26YY59LUCK0

Malware Config

Extracted

Family

nullmixer

C2

http://razino.xyz/

Extracted

Family

redline

Botnet

DomAni

C2

ergerr3.top:80

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      7605052bbfa914b26d5cc12427c147b38965a836c8dbe59bf0e032dfb0b57891

    • Size

      4.0MB

    • MD5

      d2b3d51c1fe8072e70c1067a4856ceed

    • SHA1

      a1e76eaacdedd1806784d5af8e32198717a60ddd

    • SHA256

      7605052bbfa914b26d5cc12427c147b38965a836c8dbe59bf0e032dfb0b57891

    • SHA512

      96a37fb0af3b60033816d24fcbd6330b393ec4b398411fa90437acd256129c0fbdc75afb4fd5b8fd7a8ea5aa8150ae157ca6f0e045c5c7fac20913ce426bf727

    • SSDEEP

      98304:xjXxj+HYnb8BZ1jMwu3lMz2dU3YNTAf5HgCvLUBsK05:xjXxj+HYQBZ1jMwQs26YY59LUCK0

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • 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.

    • Nirsoft

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

1
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Scripting

1
T1064

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks