Overview

overview

10

Static

static

3

eb8ef81aa9...18.exe

windows7-x64

10

eb8ef81aa9...18.exe

windows10-2004-x64

7

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General

  • Target

    eb8ef81aa90adb59843cb2f1ae29f6a9_JaffaCakes118

  • Size

    268KB

  • Sample

    240410-vjshfaee32

  • MD5

    eb8ef81aa90adb59843cb2f1ae29f6a9

  • SHA1

    604346cee0a583ac4a05f13c77af6a9b54bfca9e

  • SHA256

    1c8ac9c57b64711376919b6c1150ac49d046d19d64bcd20d2e403c52ae209bd6

  • SHA512

    78c67d3d3b219a88370def3c3c0468bfc3cde4a9df3b29e196d0b0930576a7dc49d42657d6da4f06168d03871ab41c899e87594d5939a8cb0f474db64a5e2b9c

  • SSDEEP

    6144:j1ypgwVGt1e6Ezufw6K6hQtgLB1XHE9g+koz+ZcIf:htAVufw63hQtyB1XE9Oozd

Score
10/10
persistence

Malware Config

Targets

    • Target

      eb8ef81aa90adb59843cb2f1ae29f6a9_JaffaCakes118

    • Size

      268KB

    • MD5

      eb8ef81aa90adb59843cb2f1ae29f6a9

    • SHA1

      604346cee0a583ac4a05f13c77af6a9b54bfca9e

    • SHA256

      1c8ac9c57b64711376919b6c1150ac49d046d19d64bcd20d2e403c52ae209bd6

    • SHA512

      78c67d3d3b219a88370def3c3c0468bfc3cde4a9df3b29e196d0b0930576a7dc49d42657d6da4f06168d03871ab41c899e87594d5939a8cb0f474db64a5e2b9c

    • SSDEEP

      6144:j1ypgwVGt1e6Ezufw6K6hQtgLB1XHE9g+koz+ZcIf:htAVufw63hQtyB1XE9Oozd

    Score
    10/10
    persistence

    • Modifies WinLogon for persistence

      persistence

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks