General

  • Target

    HEpu SWIFT.gz

  • Size

    764KB

  • Sample

    240426-mshqlaef85

  • MD5

    0c6f4146bdad5de7d7c20580bf93a868

  • SHA1

    f2979261af5d91055f3cb6f6889f02c78f60af60

  • SHA256

    168ba630d1cfa3ee1831269749c68e25616e4b70e54436bb032da2e207c3c651

  • SHA512

    fd9401e616e15915433085b5fc03bf95cb20b3de75d6226aa2f0d96215751c1babd0affdcaa0690f8ff88960b7fb007007bc0a381fb12c8c8b183631ec8a8220

  • SSDEEP

    12288:xR8vQhwlnN6E42gN0p3hThtQAq9f9omDdcvHgkaZpLSP7cLWRv3SERciH+qu:gtnkE42DRltQAq9f9omDdcoPZpL4x39K

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      HEpu SWIFT.exe

    • Size

      825KB

    • MD5

      e6a12fc71511e3aa16c523bc6f1c6beb

    • SHA1

      e6893d94c0b4e898b9d491610ea679112942c2c5

    • SHA256

      7c734ef576fc3a9ef020c19f95dbb7f14225393ee9a0e0054bb10de5ec7ec2f0

    • SHA512

      63e1cdd4bce8b782acdefded193bb8cca242bbc1d524e83fb6d5ce1c8760420c3f7eccef25b23c9a238688ae9b5206b6998da8a980113cdb005cbf24d621f55c

    • SSDEEP

      12288:NrqnHvjNIrpf9rN/mc/C6AgGXsEdBgEYviJqienJYUTQdXsw6E5sAQ3cwFqZu6Qr:NePjKr5BNDnACKJJIYsAQ3chw8

    • 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.

    • 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

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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