Overview

overview

10

Static

static

Karcher FZ...nt.exe

windows7_x64

10

Karcher FZ...nt.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    7018c77957bfa048fbc7eede4b2b2276d7ea556eb4cd0ab806cdcde40ea0a5e5

  • Size

    354KB

  • Sample

    220521-b1yw1afhdj

  • MD5

    e5b809e6558cd17370ca956abb1389f4

  • SHA1

    24f054f8411678e9fc9739ef303a2c0cfa7a1f7a

  • SHA256

    7018c77957bfa048fbc7eede4b2b2276d7ea556eb4cd0ab806cdcde40ea0a5e5

  • SHA512

    5be24adbae39ad3f5eb9b001ec3b5c010727306ec277144eb7f309b2872af13d0d861673ef60e5e556b47c3f63af9533839e598d5aa7bee2dc1d044a93f4273b

Score
10/10
agentteslacollectionkeyloggerpersistencerezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qwerty12345##

Targets

    • Target

      Karcher FZE statement.exe

    • Size

      394KB

    • MD5

      b5979c5b2733e419902f4a7955e915b5

    • SHA1

      99cb3633162c8225a8f7dc292d7b02db13f85c3e

    • SHA256

      103463e2a6f054957a3f580afcd7fa1020db1e3441c99f51ca36f85da1efad3a

    • SHA512

      9feed5f2cc2d2aa830a3208354402fcaa412ca98207436f7bfa0a65e3a2e05f775ea92ca8e5c8a1764f7dc48787315ac15f722845e5863ebd51d25756a4c2072

    Score
    10/10
    agentteslacollectionkeyloggerpersistencerezer0spywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla Payload

    • ReZer0 packer

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

      rezer0

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks