Overview

overview

10

Static

static

5

eeeff91c80...18.exe

windows7-x64

10

eeeff91c80...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 02:50

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General

  • Target

    eeeff91c80c874a15cec2c4cc68e5587_JaffaCakes118.exe

  • Size

    636KB

  • MD5

    eeeff91c80c874a15cec2c4cc68e5587

  • SHA1

    321aa0a799136832f23ad43c27cd60db540b2623

  • SHA256

    dd673bf12478240e13e74fdb025929d396a306deac934b41dab8eb3cde2a223e

  • SHA512

    6af340efd4e9bb7ef151016f1905503540f42591e9a5ecf0056f4a45b9199283590f05f7c8f6b860584324ff0d65ad0d038227fa35e662a6b848d3727e2a4e2a

  • SSDEEP

    12288:jLkcoxg7v3qnC11ErwIhh0F4qwUgUnyI8oLqfSJzZ:3fmMv6Ckr7MnyI8o6SJF

Score
10/10
defense_evasiondiscoveryevasionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Grants admin privileges 1 TTPs

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

  • Disables RegEdit via registry modification 2 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 48 IoCs
    persistence
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Drops desktop.ini file(s) 5 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Modifies WinLogon 2 TTPs 5 IoCs
    persistence
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

    discovery
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 4 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Hide Artifacts: Hidden Users 1 TTPs 1 IoCs
    defense_evasion
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 15 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 6 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\eeeff91c80c874a15cec2c4cc68e5587_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eeeff91c80c874a15cec2c4cc68e5587_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\svchost.com
      "C:\Users\Admin\AppData\Local\Temp\svchost.com"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Hide Artifacts: Hidden Users
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2380
      • C:\Program Files (x86)\Common Files\System\cftmon.exe
        "C:\Program Files (x86)\Common Files\System\cftmon.exe" stay_alive -in
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Program Files (x86)\Common Files\System\cftmon.exe
          "C:\Program Files (x86)\Common Files\System\cftmon.exe" stay_alive -r
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4876
      • C:\Users\Admin\AppData\Local\Temp\svchost.com
        C:\Users\Admin\AppData\Local\Temp\svchost.com keep_fucking
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Event Triggered Execution: Image File Execution Options Injection
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3588
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" share SYS_c=c:\
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 share SYS_c=c:\
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4772
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" share SYS_f=f:\
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2276
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 share SYS_f=f:\
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4912
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" user guest guest
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user guest guest
          4⤵
          • System Location Discovery: System Language Discovery
          PID:780
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" user /add Network_Service
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4344
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user /add Network_Service
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1200
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" user Network_Service 1016760
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user Network_Service 1016760
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4932
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" localgroup administrators Network_Service /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3200
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators Network_Service /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1928

Network

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
    Filesize

    1KB

    MD5

    85467c7848acb30cf0b3ccfeded28c17

    SHA1

    25153f3040106e1ae04cd0be7b7bc439cde281bd

    SHA256

    103bd9a5853d6400f982041478d41a65ad484f43453d3d5311240a1c44d04f5a

    SHA512

    91b71f01b14baa37fce63019c6ba0d19267bd5e4c196080660a320b3b02b1172530ee0832d247b6879ec792408b5b4199a46ded45f7a6f5f509692bb987fe064

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  • C:\Users\Admin\AppData\Local\Temp\svchost.com
    Filesize

    636KB

    MD5

    eeeff91c80c874a15cec2c4cc68e5587

    SHA1

    321aa0a799136832f23ad43c27cd60db540b2623

    SHA256

    dd673bf12478240e13e74fdb025929d396a306deac934b41dab8eb3cde2a223e

    SHA512

    6af340efd4e9bb7ef151016f1905503540f42591e9a5ecf0056f4a45b9199283590f05f7c8f6b860584324ff0d65ad0d038227fa35e662a6b848d3727e2a4e2a

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  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\cache\desktop.ini
    Filesize

    129B

    MD5

    a526b9e7c716b3489d8cc062fbce4005

    SHA1

    2df502a944ff721241be20a9e449d2acd07e0312

    SHA256

    e1b9ce9b57957b1a0607a72a057d6b7a9b34ea60f3f8aa8f38a3af979bd23066

    SHA512

    d83d4c656c96c3d1809ad06ce78fa09a77781461c99109e4b81d1a186fc533a7e72d65a4cb7edf689eeccda8f687a13d3276f1111a1e72f7c3cd92a49bce0f88

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  • memory/3292-0-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

    Download