General

  • Target

    d252b1e5d631254ac42e7dadab485984559dd16ff217f6ffc694ef235d6d58e9.r00

  • Size

    628KB

  • Sample

    240328-c4sptsdc6w

  • MD5

    ebb1f3ce62c28eb763863eb46fb1004c

  • SHA1

    396bcb38b2160cfb8fe0f5e188e6b025e45502a7

  • SHA256

    d252b1e5d631254ac42e7dadab485984559dd16ff217f6ffc694ef235d6d58e9

  • SHA512

    c8405a4ba2682ef487c26c16e9bbe5271cf9a2483be48a88526528dbae698183640a73cdecf7f7c6debb68d8d5c1899de2007055a491ca05b809717a9d4020e1

  • SSDEEP

    12288:3JHZN6OiZTg/n8gddyQuoUu21f9WMWyJPm90JbSzuM0YTLaXOU7Pu66ava56+O:J/6O5n84Y3fBrWCPm90JNM0IaXOcugvX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sg2plcpnl0128.prod.sin2.secureserver.net
  • Port:
    587
  • Username:
    accounts@equityhyundai.com
  • Password:
    oc27-JcbRAO~
  • Email To:
    xqalloys@gmail.com

Targets

    • Target

      RCP000004689 SWIFT COPY.exe

    • Size

      658KB

    • MD5

      288ca7008a4c4c5209c6ec3e140686bc

    • SHA1

      70ce1b94aa00f963cf520b436c2d5559b7d44107

    • SHA256

      15d2a43a0424b074f4e9f306f95bd04f9a3c33561b021364a8edaa78767c631c

    • SHA512

      a7ce1d18fa745e0c1c55af0e3cdbb7c9b32ffb1eecb9f1075978c283e8b34edf83607711de93abed5293bb9e6143862a6980ce8d3dd72bcf084dfb9647a0fece

    • SSDEEP

      12288:fH2iNlw0QKtgmz6wAAGCtp46wxdpXSiYFvaytWF7Mvs6gcGBWYTzqbC:v1Xhfz6aG8oMi7F7QuWY6G

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

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

    • 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

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks