a68bab97f9e498e73998a446ce364fde670951de99690a0f29c7d5f150be5452

Analysis

max time kernel
0s
max time network
0s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 18:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe
Size

189KB
MD5

08a5ab8c563a04d41499e91f58505d79
SHA1

d22a54235e086df115ed25eb9e615b9936a36e9a
SHA256

a68bab97f9e498e73998a446ce364fde670951de99690a0f29c7d5f150be5452
SHA512

69f2664dc30c3582d0540f1cb1be9f4c999881354249f5b48dd16eca97b84a67fe7935eeb1ec04b4216eaa43cb00d2161bdf7cfb8899b2232171e72107605022
SSDEEP

3072:oq3+pjKRy2o5pJD92PEo7eJJZjlbkPnkeZoqJZ:oq3+pWqHoPX7exWZxZ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdosys.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	msdosys.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	msdosys.exe

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\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Boot Manager = "msdosys.exe"	msdosys.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\RunServices\Boot Manager = "msdosys.exe"	msdosys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Boot Manager = "msdosys.exe"	msdosys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\Boot Manager = "msdosys.exe"	msdosys.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\127.0.200.200 update.msiservers.lan	msdosys.exe
File created	C:\Windows\msdosys.exe	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe
File opened for modification	C:\Windows\msdosys.exe	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe
File created	C:\Windows\msdirectx.sys	msdosys.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2856	msdosys.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2856	2928	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2856	2928	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2856	2928	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2856	2928	08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\msdosys.exe
  C:\Windows\msdosys.exe 472 "C:\Users\Admin\AppData\Local\Temp\08a5ab8c563a04d41499e91f58505d79_JaffaCakes118.exe"
  2⤵
  - Modifies security service
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:2856

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\msdosys.exe

Filesize
189KB

MD5
08a5ab8c563a04d41499e91f58505d79

SHA1
d22a54235e086df115ed25eb9e615b9936a36e9a

SHA256
a68bab97f9e498e73998a446ce364fde670951de99690a0f29c7d5f150be5452

SHA512
69f2664dc30c3582d0540f1cb1be9f4c999881354249f5b48dd16eca97b84a67fe7935eeb1ec04b4216eaa43cb00d2161bdf7cfb8899b2232171e72107605022

Download Submit
memory/2928-0-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download