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Overview

overview

10

Static

static

7

c941f52156...18.exe

windows7-x64

10

c941f52156...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c941f52156a23b7d68e472985e7a20c8_JaffaCakes118

  • Size

    292KB

  • Sample

    240829-vrmxxsthqn

  • MD5

    c941f52156a23b7d68e472985e7a20c8

  • SHA1

    0abf6219aca6b805778b389a7fd1692a85d00b18

  • SHA256

    97e9d8fedf5738ce3f5ca2e84d3c250cc7e903ba286510fb4ed3a2f30d47813f

  • SHA512

    fc26638882acdc5646cbefb43972a9db92e06204a6765488066c9c7af1272683e0d0f346a8ae331b5a52e48c90e358124cfd30f9b1e25d68ab342507e6380ee1

  • SSDEEP

    6144:JYDhB6ActM8FbPt6a15RGkPNJAcb+k2WzoPiML3AYRYAe5mYkl5ehRsGT:S9BvctM85t35JPNJj2WzoRLQYRYzmYO8

Score
10/10
defense_evasiondiscoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      c941f52156a23b7d68e472985e7a20c8_JaffaCakes118

    • Size

      292KB

    • MD5

      c941f52156a23b7d68e472985e7a20c8

    • SHA1

      0abf6219aca6b805778b389a7fd1692a85d00b18

    • SHA256

      97e9d8fedf5738ce3f5ca2e84d3c250cc7e903ba286510fb4ed3a2f30d47813f

    • SHA512

      fc26638882acdc5646cbefb43972a9db92e06204a6765488066c9c7af1272683e0d0f346a8ae331b5a52e48c90e358124cfd30f9b1e25d68ab342507e6380ee1

    • SSDEEP

      6144:JYDhB6ActM8FbPt6a15RGkPNJAcb+k2WzoPiML3AYRYAe5mYkl5ehRsGT:S9BvctM85t35JPNJj2WzoRLQYRYzmYO8

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

      persistence

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Users

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

3
T1564

Hidden Files and Directories

2
T1564.001

Hidden Users

1
T1564.002

Modify Registry

6
T1112

Credential Access

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

1
T1120

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks