General

  • Target

    0248d76f25d67192768d6b3c9cc35202c8f567e0ce77012e24ad37e33c4faf37

  • Size

    375KB

  • Sample

    220521-d5mqmsghb9

  • MD5

    498658b0fd4e26ce604d8057f3d22faa

  • SHA1

    01c4898feafba520fa8344d6c0bf57c399d8d7c2

  • SHA256

    0248d76f25d67192768d6b3c9cc35202c8f567e0ce77012e24ad37e33c4faf37

  • SHA512

    bfbe6a104f335a762ae40db85c3346c419617073c64e82e9db6072c16bbeec99400e0ca2c77ef6130a47ad6e7a1d7ea8c7c1c21afbc7508cd16f39ecd3ee9ea0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.israelagroconsultant.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    israelagro@123

Targets

    • Target

      Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe

    • Size

      428KB

    • MD5

      6afdf426be2106f66c8ad0dd5295a94a

    • SHA1

      10cc14ab3cefd6175dab97c2f8d5bc2a8a88b02b

    • SHA256

      18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99

    • SHA512

      4349569a571fdced6a54479fbbeb3a9d2baeaa7f4c85d48917306e4b5f631c2facf225cc563be9e345ba50d000a5c7534a5b3bcdcbe97f0b532d3dc37ee05d3c

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks