Overview

overview

10

Static

static

10

f3432c7440...74.exe

windows7_x64

10

f3432c7440...74.exe

windows10-2004_x64

4

Sharing

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General

  • Target

    f3432c74402aa36468d6641d5ccc15c1e0ceb083bc0f7e73d2b5dbfa0cfb9974

  • Size

    724KB

  • Sample

    220219-tfprpsaec5

  • MD5

    b2c4924ab02e0bf64720762b77227ea5

  • SHA1

    501e15b75ffe156656fd6aee47a02dc7fc574e48

  • SHA256

    f3432c74402aa36468d6641d5ccc15c1e0ceb083bc0f7e73d2b5dbfa0cfb9974

  • SHA512

    294cf4cfbe4a8a48be0d79f13ee1bf3e6ad0e5e6d0ed87e23399b81b912ed3f30fa79fc5d1b06731041a9d8d2a8a696abee96dc367cf2f15e70a0763df897f51

Score
10/10
chaosvjw0rmpersistenceransomwaretrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://ffy643dfxvtesdyekyg.ddns.net:7070

Targets

    • Target

      f3432c74402aa36468d6641d5ccc15c1e0ceb083bc0f7e73d2b5dbfa0cfb9974

    • Size

      724KB

    • MD5

      b2c4924ab02e0bf64720762b77227ea5

    • SHA1

      501e15b75ffe156656fd6aee47a02dc7fc574e48

    • SHA256

      f3432c74402aa36468d6641d5ccc15c1e0ceb083bc0f7e73d2b5dbfa0cfb9974

    • SHA512

      294cf4cfbe4a8a48be0d79f13ee1bf3e6ad0e5e6d0ed87e23399b81b912ed3f30fa79fc5d1b06731041a9d8d2a8a696abee96dc367cf2f15e70a0763df897f51

    Score
    10/10
    chaosvjw0rmpersistenceransomwaretrojanworm

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks