Overview

overview

10

Static

static

7

c941f52156...18.exe

windows7-x64

10

c941f52156...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 17:13

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General

  • Target

    c941f52156a23b7d68e472985e7a20c8_JaffaCakes118.exe

  • Size

    292KB

  • MD5

    c941f52156a23b7d68e472985e7a20c8

  • SHA1

    0abf6219aca6b805778b389a7fd1692a85d00b18

  • SHA256

    97e9d8fedf5738ce3f5ca2e84d3c250cc7e903ba286510fb4ed3a2f30d47813f

  • SHA512

    fc26638882acdc5646cbefb43972a9db92e06204a6765488066c9c7af1272683e0d0f346a8ae331b5a52e48c90e358124cfd30f9b1e25d68ab342507e6380ee1

  • SSDEEP

    6144:JYDhB6ActM8FbPt6a15RGkPNJAcb+k2WzoPiML3AYRYAe5mYkl5ehRsGT:S9BvctM85t35JPNJj2WzoRLQYRYzmYO8

Score
10/10
defense_evasiondiscoveryevasionpersistenceupx

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
  • UPX packed file 39 IoCs

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

    upx
  • 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 37 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\c941f52156a23b7d68e472985e7a20c8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c941f52156a23b7d68e472985e7a20c8_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:824
    • 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:1244
      • 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:4204
        • 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:3788
      • 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:3272
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" share SYS_c$=c:\
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:412
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 share SYS_c$=c:\
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3568
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" share SYS_f$=f:\
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 share SYS_f$=f:\
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4012
      • 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:3288
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user guest guest
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3296
      • 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:3324
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user /add Network_Service
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2636
      • 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:768
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user Network_Service 1016760
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1580
      • 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:1772
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators Network_Service /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1556

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

Replay Monitor

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Downloads

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

    1KB

    MD5

    063f0c3b2d4faa1113b4dc34fa788a19

    SHA1

    de2b393170519137499b5593b6a9b8fd71fd983e

    SHA256

    a0a0590cfa9663a09eba321d2dbfcf54a24a6906707dd9b8679f5064307050e3

    SHA512

    77d88664adc9169bf2172318d61b8a3b906d0c37e7daff669101f2dc4f458e9c7058253be7668c9ce4c4183201fb593a1ca2cceac3e16de0cb30eefe8b5902c6

    Download Submit

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

    292KB

    MD5

    c941f52156a23b7d68e472985e7a20c8

    SHA1

    0abf6219aca6b805778b389a7fd1692a85d00b18

    SHA256

    97e9d8fedf5738ce3f5ca2e84d3c250cc7e903ba286510fb4ed3a2f30d47813f

    SHA512

    fc26638882acdc5646cbefb43972a9db92e06204a6765488066c9c7af1272683e0d0f346a8ae331b5a52e48c90e358124cfd30f9b1e25d68ab342507e6380ee1

    Download Submit

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

    129B

    MD5

    a526b9e7c716b3489d8cc062fbce4005

    SHA1

    2df502a944ff721241be20a9e449d2acd07e0312

    SHA256

    e1b9ce9b57957b1a0607a72a057d6b7a9b34ea60f3f8aa8f38a3af979bd23066

    SHA512

    d83d4c656c96c3d1809ad06ce78fa09a77781461c99109e4b81d1a186fc533a7e72d65a4cb7edf689eeccda8f687a13d3276f1111a1e72f7c3cd92a49bce0f88

    Download Submit

  • memory/824-0-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/824-10-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-105-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-107-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-103-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-101-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-99-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-66-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-109-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-94-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/1244-111-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-48-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-76-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3272-97-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-106-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-100-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-102-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-98-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-104-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-108-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-112-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-110-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/3788-74-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/4204-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download