089b7dbc5fb09b9a3b88265ff8ef855987f4531741c9432c5d20da342633e09e

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 11:46

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General

Target

17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Size

156KB
MD5

17f3f78e68037cc67dc4593749086541
SHA1

9e84f53a8ddc113433fcc761c4715cfa2043def5
SHA256

089b7dbc5fb09b9a3b88265ff8ef855987f4531741c9432c5d20da342633e09e
SHA512

5800753d90334bac19f1a5a8a80150b52ee5b953974adf67ed310a36a2e0aea164a9fc2d9dd20a3e03b29e525d61acb78942ebdfa086df9a56e4b6abb4691da9
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3iepFV222qSFqqs0:gMDgG4ChfiPOefgsOUqQwg0

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Help\intret.cnt	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\System\Sysexp32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\System\mplayerw.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\System\mplayerw.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\System\applets.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\Syssrc32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\Syssrc32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\Help\intret.cnt	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\System\fndfst32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\System\Explorer.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File created	C:\Windows\System\applets.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\System\fndfst32.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
File opened for modification	C:\Windows\System\Explorer.exe	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	712	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\17f3f78e68037cc67dc4593749086541_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 712 -s 344
  2⤵
  - Program crash
  PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 712 -ip 712
1⤵
PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

C:\Windows\System\Sysexp32.exe

Filesize
168KB

MD5
a368bb02fc1e691636301ecf978bc8ab

SHA1
62a6be5b9188675468fb24d0810a8ee2a1eba182

SHA256
68fd58ae981dda1974caaf3450ec3454e7ec5535808b4718ebefa46a12922604

SHA512
d2c8f902d93af474704dfddbff80e76e69eb0cbfc2a3d11af617f8bfc8973509a775413a1f7ee3f70308fae4430e6b7e37d44b3d4367a2529df80a28e968e715

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads