08c5074d29d09e184619039a91dd5db4e9c4f7c74edeef7f65a5418381334c63

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 01:30

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General

Target

01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
Size

26KB
MD5

01b6b88f6a19d558d217764912058d21
SHA1

104794f01c4c988e8fec0b4ac8f550abd9d4f54f
SHA256

08c5074d29d09e184619039a91dd5db4e9c4f7c74edeef7f65a5418381334c63
SHA512

f5e09b2410bc356b0c270260309e0257a4a29a32f7df16ffeb3d089b29a7474267347f87ffa717b02084c91af3c686866d64aa40f95de67ffe44a820df296931
SSDEEP

384:2l8mWbHRHMUSTt3IAqGEI/4YJYySPok0CSSn/NzceAay3J:21WVsb3IAFQgoccAe/y3J

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	mcsmss.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\cmssSystemProcess = "c:\\windows\\system32\\mcsmss.exe"	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\mcsmss.exe	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\mcsmss.exe	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
3040	mcsmss.exe
3040	mcsmss.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
3040	mcsmss.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3040	116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe	84
PID 116 wrote to memory of 3040	116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe	84
PID 116 wrote to memory of 3040	116	01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01b6b88f6a19d558d217764912058d21_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116
- C:\windows\SysWOW64\mcsmss.exe
  "C:\windows\system32\mcsmss.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3040

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\mcsmss.exe

Filesize
26KB

MD5
01b6b88f6a19d558d217764912058d21

SHA1
104794f01c4c988e8fec0b4ac8f550abd9d4f54f

SHA256
08c5074d29d09e184619039a91dd5db4e9c4f7c74edeef7f65a5418381334c63

SHA512
f5e09b2410bc356b0c270260309e0257a4a29a32f7df16ffeb3d089b29a7474267347f87ffa717b02084c91af3c686866d64aa40f95de67ffe44a820df296931

Download Submit
memory/116-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/116-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3040-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3040-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download