dd6c65f4a57116c571439088d2db56dac39c57ac12e8f08ec9cc2d3ffa822cc8

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2025, 20:53

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General

Target

JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
Size

336KB
MD5

98226477de7a9fd9a88d7a37d98ec197
SHA1

7a92a4998a51028050ea38cbf0cb83fd9fd2f12f
SHA256

dd6c65f4a57116c571439088d2db56dac39c57ac12e8f08ec9cc2d3ffa822cc8
SHA512

fd254aaef7abccce649be5713eadbbb4ec013140fbddab164ec66312dc68cf908b5b188b17a6ce6e9f438aaed0cdcbdbc08041b247eec0850ac0a3f083916ce8
SSDEEP

6144:uMGnnmhXC8tpftVKAFHKeHXkI3pwwHeyv7gemG/0DzyrpDl3WjG6O9RVPL2Wu:uOtVKqqeXkUZ+yv6G/QUFlIjODVSWu

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\twext.exe,"	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\twext.exe	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
File created	C:\Windows\SysWOW64\twext.exe	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2028-0-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2028-10-0x0000000000400000-0x0000000000409000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 2028 wrote to memory of 5096	2028	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	85
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5
PID 5096 wrote to memory of 608	5096	JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98226477de7a9fd9a88d7a37d98ec197.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/608-43-0x000000001D940000-0x000000001D966000-memory.dmp

Filesize
152KB

Download
memory/608-36-0x000000001D8E0000-0x000000001D906000-memory.dmp

Filesize
152KB

Download
memory/608-78-0x000000001DA90000-0x000000001DAB6000-memory.dmp

Filesize
152KB

Download
memory/608-73-0x000000001DA60000-0x000000001DA86000-memory.dmp

Filesize
152KB

Download
memory/608-68-0x000000001DA30000-0x000000001DA56000-memory.dmp

Filesize
152KB

Download
memory/608-63-0x000000001DA00000-0x000000001DA26000-memory.dmp

Filesize
152KB

Download
memory/608-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/608-28-0x000000001D8B0000-0x000000001D8D6000-memory.dmp

Filesize
152KB

Download
memory/608-23-0x000000001D880000-0x000000001D8A6000-memory.dmp

Filesize
152KB

Download
memory/608-60-0x000000001D9D0000-0x000000001D9F6000-memory.dmp

Filesize
152KB

Download
memory/608-53-0x000000001D9A0000-0x000000001D9C6000-memory.dmp

Filesize
152KB

Download
memory/608-48-0x000000001D970000-0x000000001D996000-memory.dmp

Filesize
152KB

Download
memory/608-39-0x000000001D910000-0x000000001D936000-memory.dmp

Filesize
152KB

Download
memory/2028-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2028-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5096-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5096-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download