7c893f750dcf3a49b7abfaebc71920b9e11c3fa7f980ec3d714fb856e48b9965

General

Target

d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Size

440KB
MD5

d99c672a61730d2579d91bbad95a6270
SHA1

e61c7d6be3ce6a70a88a5bbe1c3883476d5acda0
SHA256

7c893f750dcf3a49b7abfaebc71920b9e11c3fa7f980ec3d714fb856e48b9965
SHA512

4fbabe8871db1db28bb802022b33d18e9a4200c87f6a7c9db3d72a8c197c28d2a7b92ce690f519f4284f4cbc5b6526cb9a5a661487824fb0f11c6d89060a3443
SSDEEP

12288:FZyzzDqm8urolvFeGxQBf4qZ2Yu02DNmHuoRgU:yDqm8urCxQB+xxpju5

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

Executes dropped EXE 2 IoCs

pid	Process
1132	fservice.exe
640	services.exe

Loads dropped DLL 5 IoCs

pid	Process
640	services.exe
640	services.exe
640	services.exe
1132	fservice.exe
4384	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fservice.exe	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
640	services.exe
640	services.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 1132	4384	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe	85
PID 4384 wrote to memory of 1132	4384	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe	85
PID 4384 wrote to memory of 1132	4384	d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe	85
PID 1132 wrote to memory of 640	1132	fservice.exe	87
PID 1132 wrote to memory of 640	1132	fservice.exe	87
PID 1132 wrote to memory of 640	1132	fservice.exe	87

C:\Users\Admin\AppData\Local\Temp\d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d99c672a61730d2579d91bbad95a6270_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\fservice.exe

Filesize
440KB

MD5
d99c672a61730d2579d91bbad95a6270

SHA1
e61c7d6be3ce6a70a88a5bbe1c3883476d5acda0

SHA256
7c893f750dcf3a49b7abfaebc71920b9e11c3fa7f980ec3d714fb856e48b9965

SHA512
4fbabe8871db1db28bb802022b33d18e9a4200c87f6a7c9db3d72a8c197c28d2a7b92ce690f519f4284f4cbc5b6526cb9a5a661487824fb0f11c6d89060a3443

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
d4a3f90e159ffbcbc4f9740de4b7f171

SHA1
0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

SHA256
2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

SHA512
5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
43e7d9b875c921ba6be38d45540fb9dd

SHA1
f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

SHA256
f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

SHA512
2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

Download Submit
memory/640-21-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/640-44-0x0000000003540000-0x0000000003541000-memory.dmp

Filesize
4KB

Download
memory/640-42-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/640-23-0x0000000003540000-0x0000000003541000-memory.dmp

Filesize
4KB

Download
memory/640-22-0x0000000002D40000-0x0000000002E30000-memory.dmp

Filesize
960KB

Download
memory/1132-10-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/1132-12-0x0000000003130000-0x0000000003131000-memory.dmp

Filesize
4KB

Download
memory/1132-11-0x0000000002550000-0x0000000002640000-memory.dmp

Filesize
960KB

Download
memory/1132-39-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/4384-0-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/4384-41-0x0000000002AD0000-0x0000000002BC0000-memory.dmp

Filesize
960KB

Download
memory/4384-40-0x0000000000400000-0x00000000009D6000-memory.dmp

Filesize
5.8MB

Download
memory/4384-2-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/4384-1-0x0000000002AD0000-0x0000000002BC0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads