General

  • Target

    1d692c466d2e4b035e97d3aa3ac246fb_JaffaCakes118

  • Size

    613KB

  • Sample

    240329-kesyasea24

  • MD5

    1d692c466d2e4b035e97d3aa3ac246fb

  • SHA1

    0d2e0de5a714be193ef4f049b1fe3b5fef0278b3

  • SHA256

    36dadc65b9619f1eb3b12e107ae4ab97672bdbc167848842eb3de6f5fc4dff2c

  • SHA512

    461ae93f1f4e6d43b30dba71d8d310a5476f620365b947db722a209fe1c14a53f34aa4cee4b6d4e1535ce7a00ba9deb1e8176ca838a0f41f63d94d9d6a111ba1

  • SSDEEP

    6144:p056MFohvg6y6Uqrl2A0oLj7+nHHnqVti72nHf26KYsT94qhVvSII+DiyApwnHKT:eGhvhUloLjCCtLngTh5S87nHKtVknV0

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1d692c466d2e4b035e97d3aa3ac246fb_JaffaCakes118

    • Size

      613KB

    • MD5

      1d692c466d2e4b035e97d3aa3ac246fb

    • SHA1

      0d2e0de5a714be193ef4f049b1fe3b5fef0278b3

    • SHA256

      36dadc65b9619f1eb3b12e107ae4ab97672bdbc167848842eb3de6f5fc4dff2c

    • SHA512

      461ae93f1f4e6d43b30dba71d8d310a5476f620365b947db722a209fe1c14a53f34aa4cee4b6d4e1535ce7a00ba9deb1e8176ca838a0f41f63d94d9d6a111ba1

    • SSDEEP

      6144:p056MFohvg6y6Uqrl2A0oLj7+nHHnqVti72nHf26KYsT94qhVvSII+DiyApwnHKT:eGhvhUloLjCCtLngTh5S87nHKtVknV0

    • AgentTesla

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

    • AgentTesla payload

    • 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

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

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