General

  • Target

    e9b89f25e9e8d52c313f26e0429068d8_JaffaCakes118

  • Size

    2.6MB

  • Sample

    240409-lvlplaca53

  • MD5

    e9b89f25e9e8d52c313f26e0429068d8

  • SHA1

    6b9509635732c7fff640d65911e5a32a01573d4a

  • SHA256

    bc10525a0911ba2c9c472e9d7130242e9f4c2c97bb0fce53bc4b97e42f8a2b36

  • SHA512

    a1902f04df52cfb0c0fa696beb1fcb69cf6e8eb97e223db2c13524e1057717bdad1552612abfa875e6ec74732bcf44af0d9bf75a4621a081fed7735a3302da74

  • SSDEEP

    49152:xcBbPkZVi7iKiF8cUvFyPOtPe3ri/lkmc6dHHpt/KyfI1KV1byEwJ84vLRaBtIly:x7ri7ixZUvFyPcPe3rlwpLfTV1tCvLUZ

Malware Config

Extracted

Family

nullmixer

C2

http://lotzini.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    933

Targets

    • Target

      e9b89f25e9e8d52c313f26e0429068d8_JaffaCakes118

    • Size

      2.6MB

    • MD5

      e9b89f25e9e8d52c313f26e0429068d8

    • SHA1

      6b9509635732c7fff640d65911e5a32a01573d4a

    • SHA256

      bc10525a0911ba2c9c472e9d7130242e9f4c2c97bb0fce53bc4b97e42f8a2b36

    • SHA512

      a1902f04df52cfb0c0fa696beb1fcb69cf6e8eb97e223db2c13524e1057717bdad1552612abfa875e6ec74732bcf44af0d9bf75a4621a081fed7735a3302da74

    • SSDEEP

      49152:xcBbPkZVi7iKiF8cUvFyPOtPe3ri/lkmc6dHHpt/KyfI1KV1byEwJ84vLRaBtIly:x7ri7ixZUvFyPcPe3rlwpLfTV1tCvLUZ

    • 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.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Modifies Installed Components in the registry

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks