General

  • Target

    c2fbfeaae8323cc8ca88ab7e7d2a80f4389d7d77870b560e9959fedee8b23827

  • Size

    87KB

  • Sample

    240406-bpad9sgh46

  • MD5

    54e3c76747e04cf98283167390e3f123

  • SHA1

    a3addc3808226149381201bb24926fb8cbfff167

  • SHA256

    c2fbfeaae8323cc8ca88ab7e7d2a80f4389d7d77870b560e9959fedee8b23827

  • SHA512

    576c959e486aa3b4a7f3902b27f29da9eb467b8339514f00e2fc9c83c0302b62b7778457fb54043a76e7530437836822ea7e4950b10e7783a8cd06666fd1052e

  • SSDEEP

    1536:oLQAJg6/L6iFQzXblXAorYfwJcxSTlWoJl0ovJvWR4jmft2Ib7ADUzqbD3htV:OJgsL66ykDxSTlWoJl0ovJvWR46fJb7m

Malware Config

Extracted

Family

purecrypter

C2

http://213.199.41.33/rw/Lftspwf.pdf

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    senderoffice2@jahnindustry.shop
  • Password:
    KSN9T9fAXAWh
  • Email To:
    office2@jahnindustry.shop

Extracted

Family

xworm

Version

5.0

C2

91.92.241.169:5353

Mutex

XctZl0l6I2mIgS0k

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    senderoffice2@jahnindustry.shop
  • Password:
    KSN9T9fAXAWh

Targets

    • Target

      c2fbfeaae8323cc8ca88ab7e7d2a80f4389d7d77870b560e9959fedee8b23827

    • Size

      87KB

    • MD5

      54e3c76747e04cf98283167390e3f123

    • SHA1

      a3addc3808226149381201bb24926fb8cbfff167

    • SHA256

      c2fbfeaae8323cc8ca88ab7e7d2a80f4389d7d77870b560e9959fedee8b23827

    • SHA512

      576c959e486aa3b4a7f3902b27f29da9eb467b8339514f00e2fc9c83c0302b62b7778457fb54043a76e7530437836822ea7e4950b10e7783a8cd06666fd1052e

    • SSDEEP

      1536:oLQAJg6/L6iFQzXblXAorYfwJcxSTlWoJl0ovJvWR4jmft2Ib7ADUzqbD3htV:OJgsL66ykDxSTlWoJl0ovJvWR46fJb7m

    • AgentTesla

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

    • Detect Xworm Payload

    • Detect ZGRat V1

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks