2029d8b7a71aff162ebb50e2b73d695003c92d080d5f1b355ffbbc2c3495d80d

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 19:51

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General

Target

JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe
Size

1.4MB
MD5

9620b1b570b74a13d14613e3d35d68e0
SHA1

8e69d837a34ff6eb34e05969fe82300e50433127
SHA256

2029d8b7a71aff162ebb50e2b73d695003c92d080d5f1b355ffbbc2c3495d80d
SHA512

e57426a189c83da0fada381678e611c6ba0803d6ad159ef02d385a40b57dfd11e052eb0b9dde7860c7b7514009d30b48c7d20c42095140b31ee6ee3b1669bcf1
SSDEEP

24576:L7WsPkA8QsBPyoG0HBrC2zJSKDAULsKlbw9FTWwb:LrEQsBT1DAOn29F3b

Score

10^/10

discovery persistence phishing upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	lncom.exe

A potential corporate email address has been identified in the URL: [email protected]
phishing

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-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe

Executes dropped EXE 3 IoCs

pid	Process
4348	lncom.exe
5876	fservice.exe
1224	services.exe

Loads dropped DLL 5 IoCs

pid	Process
1224	services.exe
1224	services.exe
1224	services.exe
5876	fservice.exe
4348	lncom.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lncom.exe	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe
File created	C:\Windows\SysWOW64\lncom_.bmp	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\lncom.exe.bat	lncom.exe
File created	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000400000002322e-6.dat	upx
behavioral2/memory/4348-15-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/5876-49-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/4348-51-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/4348-55-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-57-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-58-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-59-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-60-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-61-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-62-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-63-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-64-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-65-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-66-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-67-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-68-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-69-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-70-0x0000000000400000-0x00000000005FF000-memory.dmp	upx
behavioral2/memory/1224-71-0x0000000000400000-0x00000000005FF000-memory.dmp	upx

Drops file in Windows directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	lncom.exe
File opened for modification	C:\Windows\system\sservice.exe	lncom.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe

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 10 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lncom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe
1224	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1224	services.exe
1224	services.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 5608 wrote to memory of 4348	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	88
PID 5608 wrote to memory of 4348	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	88
PID 5608 wrote to memory of 4348	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	88
PID 5608 wrote to memory of 4864	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	89
PID 5608 wrote to memory of 4864	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	89
PID 5608 wrote to memory of 4864	5608	JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe	89
PID 4348 wrote to memory of 5876	4348	lncom.exe	91
PID 4348 wrote to memory of 5876	4348	lncom.exe	91
PID 4348 wrote to memory of 5876	4348	lncom.exe	91
PID 5876 wrote to memory of 1224	5876	fservice.exe	92
PID 5876 wrote to memory of 1224	5876	fservice.exe	92
PID 5876 wrote to memory of 1224	5876	fservice.exe	92
PID 1224 wrote to memory of 4548	1224	services.exe	93
PID 1224 wrote to memory of 4548	1224	services.exe	93
PID 1224 wrote to memory of 4548	1224	services.exe	93
PID 1224 wrote to memory of 4532	1224	services.exe	94
PID 1224 wrote to memory of 4532	1224	services.exe	94
PID 1224 wrote to memory of 4532	1224	services.exe	94
PID 4548 wrote to memory of 4856	4548	NET.exe	97
PID 4548 wrote to memory of 4856	4548	NET.exe	97
PID 4548 wrote to memory of 4856	4548	NET.exe	97
PID 4532 wrote to memory of 4592	4532	NET.exe	98
PID 4532 wrote to memory of 4592	4532	NET.exe	98
PID 4532 wrote to memory of 4592	4532	NET.exe	98
PID 4348 wrote to memory of 1832	4348	lncom.exe	103
PID 4348 wrote to memory of 1832	4348	lncom.exe	103
PID 4348 wrote to memory of 1832	4348	lncom.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9620b1b570b74a13d14613e3d35d68e0.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5608
- C:\Windows\SysWOW64\lncom.exe
  "C:\Windows\system32\lncom.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Windows\SysWOW64\fservice.exe
    C:\Windows\system32\fservice.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5876
  - - C:\Windows\services.exe
      C:\Windows\services.exe -XP
      4⤵
      Modifies WinLogon for persistence
      Adds policy Run key to start application
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Loads dropped DLL
      Modifies WinLogon
      Drops file in System32 directory
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1224
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4548
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4856
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4532
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4592
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\lncom.exe.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1832
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

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\AppData\Local\Temp\JAFFAC~1.EXE.bat

Filesize
133B

MD5
127346527a8f51194d7dbc218380f5eb

SHA1
f9e10acb2252d09a4fd584b4a43f290964a0f9ae

SHA256
cf0513e7b760b2838477996e6ae09781c98f32a2d4791471f6b82b1d77cd5ee4

SHA512
51ed0ea6d24882dcd937dfee513bf92184ecea21920012c940c60a03db3b213ccb4218ac30f0360918f48b1fa739223357a3d4f8789cc394f0f4f829533b8651

Download Submit
C:\Windows\SysWOW64\lncom.exe

Filesize
341KB

MD5
ed0107243a02d930759384d3b0fac40f

SHA1
c98a39d158d5f457ebab2d18bf36f5d06cbd8fe5

SHA256
d9890618e648dedc1352a12747aabaed95c3d80119c3ba6e71d924e36ec6c7d6

SHA512
1e157b5b0e44e1a0de20fa341bf779263620ab634ffa8c1edff77cfc974582ed2ec32b177a108e2f910ce67cca2facab09ff5009b77273e1fe03c5a774b71470

Download Submit
C:\Windows\SysWOW64\lncom.exe.bat

Filesize
99B

MD5
1f73e450d92934cd37c041eb3f1ff51f

SHA1
f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

SHA256
3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

SHA512
5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

Download Submit
C:\Windows\SysWOW64\lncom_.bmp

Filesize
1.0MB

MD5
53820949f6dcf0100246cffacdf89805

SHA1
7bd37f01d64cb856ea0afb07f7ed8b5405bafe90

SHA256
902b1e9375ba1a463570cb9077ee891f2f43f0c891b2d81d29b20ed99b9c413c

SHA512
ef43bc35b8ee1dd237928417995b1a3edaec2c36b4d598407f7053fff5b18cabfcada3f87f3d79b0fc7df2dd3af7a9a7400d6ee16328537cb9d9eb6570437a4f

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
d4a3f90e159ffbcbc4f9740de4b7f171

SHA1
0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

SHA256
2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

SHA512
5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
43e7d9b875c921ba6be38d45540fb9dd

SHA1
f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

SHA256
f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

SHA512
2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

Download Submit
memory/1224-63-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-64-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-71-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-70-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-69-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-68-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-67-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-66-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-65-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-57-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-58-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-59-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-60-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-61-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/1224-62-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/4348-15-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/4348-55-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/4348-52-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/4348-51-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download
memory/4348-18-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/5608-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5608-17-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5876-27-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/5876-49-0x0000000000400000-0x00000000005FF000-memory.dmp

Filesize
2.0MB

Download