e043f591d991caf937446e41d6be504d7cfc98dad4ba6a66bc85cf53e11ae149

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 00:43

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General

Target

27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
Size

44KB
MD5

27e8d630be48f2246a680ba3bfcf5c25
SHA1

07f4f362f0f2a51f3545143c958c5924409409d7
SHA256

e043f591d991caf937446e41d6be504d7cfc98dad4ba6a66bc85cf53e11ae149
SHA512

4c23011994a6c0e403fd603f00d2f7a99d9cdffcc69c0729393a82a575b5eda728fe54f9a5e93174873f5a38123c10622876885a5753712c1d160d5ad871f755
SSDEEP

768:SOthmkRdPG+aupo8DEu515Lkm8iWffBCDPeI:Jthm8dP7o8L515Lkvl3B

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe

Executes dropped EXE 5 IoCs

pid	Process
628	winlogon.exe
4828	winlogon.exe
3296	winlogon.exe
3768	winlogon.exe
1432	winlogon.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 720 set thread context of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 628 set thread context of 4828	628	winlogon.exe	87
PID 4828 set thread context of 3296	4828	winlogon.exe	90
PID 4828 set thread context of 3768	4828	winlogon.exe	94
PID 4828 set thread context of 1432	4828	winlogon.exe	95

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3236-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3236-2-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3236-3-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3236-4-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3236-21-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4828-39-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4828-40-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4828-50-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4828-68-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3236	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
4828	winlogon.exe
3296	winlogon.exe
3768	winlogon.exe
1432	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 720 wrote to memory of 3236	720	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	83
PID 3236 wrote to memory of 628	3236	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	86
PID 3236 wrote to memory of 628	3236	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	86
PID 3236 wrote to memory of 628	3236	27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe	86
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 628 wrote to memory of 4828	628	winlogon.exe	87
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3296	4828	winlogon.exe	90
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 3768	4828	winlogon.exe	94
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95
PID 4828 wrote to memory of 1432	4828	winlogon.exe	95

C:\Users\Admin\AppData\Local\Temp\27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:720
- C:\Users\Admin\AppData\Local\Temp\27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\27e8d630be48f2246a680ba3bfcf5c25_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:628
  - - C:\Users\Admin\E696D64614\winlogon.exe
      C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4828
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3296
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3768
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
27e8d630be48f2246a680ba3bfcf5c25

SHA1
07f4f362f0f2a51f3545143c958c5924409409d7

SHA256
e043f591d991caf937446e41d6be504d7cfc98dad4ba6a66bc85cf53e11ae149

SHA512
4c23011994a6c0e403fd603f00d2f7a99d9cdffcc69c0729393a82a575b5eda728fe54f9a5e93174873f5a38123c10622876885a5753712c1d160d5ad871f755

Download Submit
memory/1432-66-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/3236-2-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3236-3-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3236-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3236-21-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3236-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3296-31-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/3296-37-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/3296-34-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/3768-53-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/4828-39-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4828-40-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4828-50-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4828-68-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download