General

  • Target

    9b0b93c3f2b8fee5d774436447b4990f.js.vir

  • Size

    37KB

  • Sample

    221129-pp777ace2v

  • MD5

    aa015cde14808315df0e50fc98fa8ca1

  • SHA1

    499fd482cd7bad8d905564983f07e7ae822ea189

  • SHA256

    75c5452fe55b5b42e88f7e22cf3d54665f639f721b55dbafa78b43c644f1b598

  • SHA512

    08af4131b97d2177723bbc23981286f6f22e780db6d6f0e8894048fc971eb3cee3109b1daebe31107c2119d48ba0423625e6fbce180e6b9bc1fecdc56bba6278

  • SSDEEP

    768:NDVC12hDVX/opI7vr3t+borH2OAH1XJLYlCH56v+1KnLmVk:dVCUhRWI7vjtsorWOAH1XJsCH56vwmLz

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5196374398:AAFia6uLKkD-Wc5-qWTKCU_kRGlxKrfZgpE/

Extracted

Family

wshrat

C2

http://45.139.105.174:7670

Extracted

Family

vjw0rm

C2

http://45.139.105.174:7575

Targets

    • Target

      9b0b93c3f2b8fee5d774436447b4990f.js.vir

    • Size

      37KB

    • MD5

      aa015cde14808315df0e50fc98fa8ca1

    • SHA1

      499fd482cd7bad8d905564983f07e7ae822ea189

    • SHA256

      75c5452fe55b5b42e88f7e22cf3d54665f639f721b55dbafa78b43c644f1b598

    • SHA512

      08af4131b97d2177723bbc23981286f6f22e780db6d6f0e8894048fc971eb3cee3109b1daebe31107c2119d48ba0423625e6fbce180e6b9bc1fecdc56bba6278

    • SSDEEP

      768:NDVC12hDVX/opI7vr3t+borH2OAH1XJLYlCH56v+1KnLmVk:dVCUhRWI7vjtsorWOAH1XJsCH56vwmLz

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks