f557f4ffaeab48a1023a3101282ae7821f550b4377d52ffc2082c4f2be4f45c5

Analysis

max time kernel
133s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 09:45

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General

Target

b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe
Size

121KB
MD5

b2fb4192e728e5a7e17c7dab1915a04b
SHA1

4a97d1d690e0a9754aaa4ed8f522f82487e60c89
SHA256

f557f4ffaeab48a1023a3101282ae7821f550b4377d52ffc2082c4f2be4f45c5
SHA512

7835382a0261f29ce0a6c2cd3ed8eed3a45e82ae0da8dc6eda682365cd31e88e7d39452d1476d62fc9b5f8b77725870b8b9fbb47650e9b19d055d600a13e53ef
SSDEEP

3072:txJFUCqflQ6DN9RNzQTbESAJMhNPxHWMyShAElhIg:tTSCq2iNPNz94JxH5EEP

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\EventSystem\Parameters\ServiceDll = "C:\\WINDOWS\\system32\\es.dll"	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\usnsvc.dll	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\msnback.bat	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe

Runs net.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 3284	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	87
PID 1144 wrote to memory of 3284	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	87
PID 1144 wrote to memory of 3284	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	87
PID 3284 wrote to memory of 3196	3284	net.exe	89
PID 3284 wrote to memory of 3196	3284	net.exe	89
PID 3284 wrote to memory of 3196	3284	net.exe	89
PID 1144 wrote to memory of 636	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	93
PID 1144 wrote to memory of 636	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	93
PID 1144 wrote to memory of 636	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	93
PID 1144 wrote to memory of 3788	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	94
PID 1144 wrote to memory of 3788	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	94
PID 1144 wrote to memory of 3788	1144	b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe	94
PID 636 wrote to memory of 2468	636	net.exe	97
PID 636 wrote to memory of 2468	636	net.exe	97
PID 636 wrote to memory of 2468	636	net.exe	97

C:\Users\Admin\AppData\Local\Temp\b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2fb4192e728e5a7e17c7dab1915a04b_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\SysWOW64\net.exe
  net stop wmdmpmsn
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wmdmpmsn
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3196
- C:\Windows\SysWOW64\net.exe
  net start wmdmpmsn
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start wmdmpmsn
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\msnback.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

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\msnback.bat

Filesize
234B

MD5
ccf307f28833f0e00fa3bac330b3c745

SHA1
d4d38f6cc8df98b0995233c633f765064746d6f9

SHA256
7085e4d7243f32aea072aadc0bc40d82c5191289683eedc0654127922c0a79bf

SHA512
d58e797195a39f8ac64d79db87738a159156c02276a9891dc9ece55e52e920e48fa63620809e55f618129bbfdfa5422685517f2895624d7e3e5cfb4a817a0c4e

Download Submit
memory/1144-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1144-4-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download