31a0b8793e3e7f5ae1937a7d34a2e51bf98724618d049f68c92c81412375f2f9

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 23:00

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General

Target
c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
Size 177KB
Sample240404-2zbyysde72
SHA256 31a0b8793e3e7f5ae1937a7d34a2e51bf98724618d049f68c92c81412375f2f9
MD5 c4125f09eaa4d626ee571b621bd5e0a1
SHA1 fe39631a0f29895df157616bc7eeb8e5e26e6ed9
SHA512 c0e5fcae4009b7958da21c15b42ab74e9eb9b6f5f08fb396295a5374f8191264e0fe753988e166bcbed7800eff63495a5af4dcb97478747ff64991c77d8de98a
SSDEEP 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8:o68i3odBiTl2+TCU/
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 1 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\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winhash_up.exez	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\bugMAKER.bat	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\winhash_up.exez	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\winhash_up.exe	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2384	4824	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe	86
PID 4824 wrote to memory of 2384	4824	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe	86
PID 4824 wrote to memory of 2384	4824	c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c4125f09eaa4d626ee571b621bd5e0a1_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:2384

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

bugMAKER.bat

Path C:\Windows\bugMAKER.bat
Size 90B
SHA256 3f397adb458f40e5b8fad2b4eb26b815885f2610024dd4f2ffd4700c43bac8aa
MD5 7bfc6e1c4db68f603e3c396e1db13e8f
SHA1 dd6e3083b479dc2b6fa5cd7bef41ab053131effb
SHA512 1d66ffc2c75443f68cf6805ddf5f110cf705939bbff28e39db9c53dd59550a4ac1ec344c3606db25b1f67e170b3bf5dee5a34cf1b0c5703b85f28bcef472f2e2
MD5 SHA1 SHA512

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memory/4824-24-0x0000000000400000-0x000000000042D000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads