General

  • Target

    Samples_Order.xls

  • Size

    60KB

  • Sample

    210510-1h9mtg55s6

  • MD5

    d091532e65e2995b48170832e7590b4a

  • SHA1

    b4f21809b2c0dd3ed24b5078f10645def58a0098

  • SHA256

    1dfd0e94efad34fc4f7c476791ee34fefd358a968fe53c5e84e2dc025be7e439

  • SHA512

    e105e9da78f6825199703f34c6ddf85ca87a80443e254ce6d6fa5e1cf3429ff7d6b96b1fb830935ff6d87378212d711a937b1fcf56c5fa13cf719fdef12791e7

Malware Config

Targets

    • Target

      Samples_Order.xls

    • Size

      60KB

    • MD5

      d091532e65e2995b48170832e7590b4a

    • SHA1

      b4f21809b2c0dd3ed24b5078f10645def58a0098

    • SHA256

      1dfd0e94efad34fc4f7c476791ee34fefd358a968fe53c5e84e2dc025be7e439

    • SHA512

      e105e9da78f6825199703f34c6ddf85ca87a80443e254ce6d6fa5e1cf3429ff7d6b96b1fb830935ff6d87378212d711a937b1fcf56c5fa13cf719fdef12791e7

    • AgentTesla

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Tasks