General

  • Target

    PO49000880.rar

  • Size

    633KB

  • Sample

    240429-rdvh3acg6s

  • MD5

    26a3753c2b4454618debc9bd742ccc33

  • SHA1

    a2da23080ad6dfaef42c348cf18ba1f071a106ae

  • SHA256

    a1bd6179af1a20b468fb3c5be83ef8d037ac48c189a8930374985318fdc15fca

  • SHA512

    5151eda4297520241dc149fe21a36c2f94cecb35852932b5ada8852cb86439f42cba46143c5fc5fb05131084072290941d9ec792451b7d6d73781ce1b4112f42

  • SSDEEP

    12288:30oJMaHNCeQjyMTleBm3pegKCyzZKjd6NX9XsHrknsR98HY9CxTtPNf7:3xMatCeeqm39cZYi8Q+9wOotPNf7

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO49000880.exe

    • Size

      696KB

    • MD5

      f81737bc40ede28ebedf91d62330f9fc

    • SHA1

      17c89376f2f53b155887652e5ce0cbc8b246ad20

    • SHA256

      75d0f8641ab2d7d47457fa1f1eeb338b2aacb9e356a539d18780c273d5a37a0f

    • SHA512

      b14f15d2354dceb0b54b4193a47130e811149ccf8cb1fc67bb15b59de1e5f773fae7d96aa8bcdc221cc72e6d7e82692663259d6c9529f20bad4dd2e08b4f5946

    • SSDEEP

      12288:eF2iN3XfwMTOEygb6x4eSSGAZDxXeOBb+c2f6DvtszpUlv312Z3:eF15wMCrgb6x4hRA3eOBb1dDtslUJ31s

    • AgentTesla

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

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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

Email Collection

1
T1114

Tasks