General

  • Target

    a704da9eb4b75368336e41160ce62d5d.bin

  • Size

    779KB

  • Sample

    240430-b4dp8shb8t

  • MD5

    6f03617fd24ec9e97c8568b777f943fe

  • SHA1

    86a757ae10e71e7146207f77a0bdc676e19bea21

  • SHA256

    ad6149af49bc851950c8afc76d39a95d5931716746984fe13ede706c19a56cd3

  • SHA512

    62cd17f78cc7b982bde307eecc676b5ef18be4e02efeabcb0f1e0b2a1322874bab7026bb51560fa2168cb9e6f222ed9c7238536cacaa3d6b33c3346b87f3a8b4

  • SSDEEP

    12288:vwDsCHbwptuR6AErx5nr+59lwV0DXNJVkfkv3woiwCM4rVpxY0HSFDoRUtTz:vwQCHkQsZrYwV0bN4fkv31t4rJY0HFKz

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SOA FEB to MAR 2024.exe

    • Size

      836KB

    • MD5

      28e8f4098b5d13326674b51aab58d055

    • SHA1

      6635fa0024bfebfe5bd67e3c0cce5452e3c9b684

    • SHA256

      d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc

    • SHA512

      41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36

    • SSDEEP

      12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze

    • 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