a637303bf98070c34894af1484d1b78d76a581f39bb97398429ef6a552ed195c

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2024, 02:20

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General

Target

3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe
Size

301KB
MD5

3fcf0575cb991acf59bc8f62b8a237d7
SHA1

ddddeab10f8d33f4aa072b847eba43d90c9754af
SHA256

a637303bf98070c34894af1484d1b78d76a581f39bb97398429ef6a552ed195c
SHA512

82040bfc672e54c3468f96352947b1eb5533befcbed8ffa23c73c1b170823f2854f92d51c925b2f0a217895fee9640cd0bfe257fade91c729fc49c76e8437553
SSDEEP

6144:+wnelHQ+oKrbrzMS1QpGU9xW7qtnSbT7clqsZeK2iM8e7ulOr4:h9+PzpOGU9xWetnOglsu5

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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3612	WinMsgLoaderXP.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\WinMsgLoader = "C:\\Windows\\WinMsgLoaderXP.exe"	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Archive.txt	WinMsgLoaderXP.exe
File created	C:\Windows\SysWOW64\Archive.txt	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\LoginCMD.exe	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YMSG12ENCRYPT.dll	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\WinMsgLoaderXP.exe	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4228	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 3612	4228	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe	86
PID 4228 wrote to memory of 3612	4228	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe	86
PID 4228 wrote to memory of 3612	4228	3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fcf0575cb991acf59bc8f62b8a237d7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\WinMsgLoaderXP.exe
  "C:\Windows\WinMsgLoaderXP.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3612

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

C:\Windows\WinMsgLoaderXP.exe

Filesize
301KB

MD5
3fcf0575cb991acf59bc8f62b8a237d7

SHA1
ddddeab10f8d33f4aa072b847eba43d90c9754af

SHA256
a637303bf98070c34894af1484d1b78d76a581f39bb97398429ef6a552ed195c

SHA512
82040bfc672e54c3468f96352947b1eb5533befcbed8ffa23c73c1b170823f2854f92d51c925b2f0a217895fee9640cd0bfe257fade91c729fc49c76e8437553

Download Submit
memory/3612-16-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/3612-15-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/3612-17-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/3612-19-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/3612-20-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/3612-21-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4228-0-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/4228-1-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/4228-2-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/4228-14-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads