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Analysis
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max time kernel
147s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/10/2024, 17:25
Static task
static1
Behavioral task
behavioral1
Sample
3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
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Size
325KB
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MD5
3b39c4b479f96d696aa4cc32729c1b5b
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SHA1
875819724c5c3102fb9802f14d47e03919fa6463
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SHA256
07297b79dce665d67c713bf2905f4ca345bfb8f4e797e19b544ce01e2edcf6f2
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SHA512
2de3def8794f1bd1d560298620158ebe3d685894d0291fbc924b97eb96e1582dc795f3dd959a4c481cecf45fb0346446d3d5fd1fd16d4a964346c2866b57a416
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SSDEEP
6144:qd29rwyX+G5WgDYngob0nX4bjpwCdhAxIcojc8NQIn+/Nw+Sos5:T3DYBtb5Axic8NQI+/i+ls5
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 884 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2084 ynxecr.exe -
Loads dropped DLL 4 IoCs
pid Process 884 cmd.exe 884 cmd.exe 2084 ynxecr.exe 2084 ynxecr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ynxecr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 884 cmd.exe 2796 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 1728 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2796 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2084 ynxecr.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2084 ynxecr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1728 taskkill.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2084 ynxecr.exe 2084 ynxecr.exe 2084 ynxecr.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2084 ynxecr.exe 2084 ynxecr.exe 2084 ynxecr.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2904 wrote to memory of 884 2904 3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe 28 PID 2904 wrote to memory of 884 2904 3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe 28 PID 2904 wrote to memory of 884 2904 3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe 28 PID 2904 wrote to memory of 884 2904 3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe 28 PID 884 wrote to memory of 1728 884 cmd.exe 30 PID 884 wrote to memory of 1728 884 cmd.exe 30 PID 884 wrote to memory of 1728 884 cmd.exe 30 PID 884 wrote to memory of 1728 884 cmd.exe 30 PID 884 wrote to memory of 2796 884 cmd.exe 32 PID 884 wrote to memory of 2796 884 cmd.exe 32 PID 884 wrote to memory of 2796 884 cmd.exe 32 PID 884 wrote to memory of 2796 884 cmd.exe 32 PID 884 wrote to memory of 2084 884 cmd.exe 33 PID 884 wrote to memory of 2084 884 cmd.exe 33 PID 884 wrote to memory of 2084 884 cmd.exe 33 PID 884 wrote to memory of 2084 884 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2904 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\ynxecr.exe -f2⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /pid 29043⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1728
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C:\Windows\SysWOW64\PING.EXEping -n 3 127.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2796
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C:\Users\Admin\AppData\Local\ynxecr.exeC:\Users\Admin\AppData\Local\ynxecr.exe -f3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
325KB
MD53b39c4b479f96d696aa4cc32729c1b5b
SHA1875819724c5c3102fb9802f14d47e03919fa6463
SHA25607297b79dce665d67c713bf2905f4ca345bfb8f4e797e19b544ce01e2edcf6f2
SHA5122de3def8794f1bd1d560298620158ebe3d685894d0291fbc924b97eb96e1582dc795f3dd959a4c481cecf45fb0346446d3d5fd1fd16d4a964346c2866b57a416