ca09ebe815ff0b125110d3897738f20b810dc0ffa0a14a33b25d454a935d386b

Analysis

max time kernel
150s
max time network
151s
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, 00:09

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General

Target

b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
Size

63KB
MD5

b166662818fcf7d781f0c4cbfe2c405f
SHA1

18ef60839856beb27c18fb78240b71aa80348065
SHA256

ca09ebe815ff0b125110d3897738f20b810dc0ffa0a14a33b25d454a935d386b
SHA512

172977a127ab1929db94580a999e2cd86984b7b36742092128fce9b765df343d86c15ef10bbd3086daa4b254e5c3f1d8f91b1da576828dd93f3fcb7445d60355
SSDEEP

1536:vRX4+xYuwuL/kTcoS9gQrAHVQZZ0BdfvDyYWa85:vR4eBLsTcD9FZ0jXDyYe5

Score

8^/10

discovery persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\wtijgd.sys	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe

Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MPSVCSERVER\Parameters\ServiceDll = "%SystemRoot%\\System32\\wtijgd.dll"	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\MPSVCSERVER\Parameters\ServiceDll = "%SystemRoot%\\System32\\wtijgd.dll"	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\MPSVCSERVER\Parameters\ServiceDll = "%SystemRoot%\\System32\\wtijgd.dll"	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3476	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
4744	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
3476	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\00052ad5.ini	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wtijgd.dll	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3340	4744	WerFault.exe	82
3448	4744	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3476	svchost.exe
3476	svchost.exe
3476	svchost.exe

C:\Users\Admin\AppData\Local\Temp\b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b166662818fcf7d781f0c4cbfe2c405f_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 560
  2⤵
  - Program crash
  PID:3340
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 556
  2⤵
  - Program crash
  PID:3448

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k MPSVCSERVER
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4744 -ip 4744
1⤵
PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4744 -ip 4744
1⤵
PID:4628

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\wtijgd.dll

Filesize
89KB

MD5
1b520c3a6999fb288bcd38e052d1dca8

SHA1
64203424ee4b566d82d4adcafe6c157c7f61ac21

SHA256
c4b87619338afcd962cf6e8c10c0e67406ab161042d4f874e6fdf0567d7f4e09

SHA512
320900924f5eabd3e7d7d67d43b24c75ac11157b58fa93ae17ed7fec0463a8dc50f3a45b6b975b3e0c448a3cc8dd4a75bd713346e757afcd2c11cf5ccc409af5

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