bd13aba60603c3408f02e2982eaae6c368a5d2bf9bc9a9306abb80eac61b6534

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 06:04

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General

Target

8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe
Size

379KB
MD5

8509e08d581df8f53c27eba8e8df5d01
SHA1

6fb1aad325c6b4f7b9d0ea9b83476dc21048a703
SHA256

bd13aba60603c3408f02e2982eaae6c368a5d2bf9bc9a9306abb80eac61b6534
SHA512

23fe8db8c9d99f853ecf67d5b984a50089a021b39f6791528c40e163b6c651476234c20bd58a5169a893af6ce5dca25318f134ba75f1277fe826fe26c86c21ba
SSDEEP

6144:HAhKVsruiFlXxOUqU/EavU6wbDfe4OYOd00UnEQ9BMUmA9xOOcf41Vb6N:RO6mXMUsSXwfe4OYo00O9MUmgMOsGQ

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"	tmp.tmp.tmp1
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	tmp.tmp.tmp1
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	tmp.tmp.tmp1
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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	tmp.tmp.tmp1
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	tmp.tmp.tmp1
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	tmp.tmp.tmp1
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe

Executes dropped EXE 3 IoCs

pid	Process
3148	tmp.tmp.tmp1
3816	fservice.exe
1648	services.exe

Loads dropped DLL 3 IoCs

pid	Process
1648	services.exe
1648	services.exe
1648	services.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\	tmp.tmp.tmp1
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	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	tmp.tmp.tmp1
File opened for modification	C:\Windows\SysWOW64\fservice.exe	tmp.tmp.tmp1
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

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	tmp.tmp.tmp1
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
File opened for modification	C:\Windows\tmp.tmp.tmp1	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe
File created	C:\Windows\system\sservice.exe	tmp.tmp.tmp1
File created	C:\Windows\tmp.tmp.tmp1.bat	tmp.tmp.tmp1
File created	C:\Windows\services.exe	fservice.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.tmp.tmp1
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe
1648	services.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2800	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe
1648	services.exe
1648	services.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 3148	2800	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe	84
PID 2800 wrote to memory of 3148	2800	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe	84
PID 2800 wrote to memory of 3148	2800	8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe	84
PID 3148 wrote to memory of 3816	3148	tmp.tmp.tmp1	93
PID 3148 wrote to memory of 3816	3148	tmp.tmp.tmp1	93
PID 3148 wrote to memory of 3816	3148	tmp.tmp.tmp1	93
PID 3148 wrote to memory of 2536	3148	tmp.tmp.tmp1	94
PID 3148 wrote to memory of 2536	3148	tmp.tmp.tmp1	94
PID 3148 wrote to memory of 2536	3148	tmp.tmp.tmp1	94
PID 3816 wrote to memory of 1648	3816	fservice.exe	98
PID 3816 wrote to memory of 1648	3816	fservice.exe	98
PID 3816 wrote to memory of 1648	3816	fservice.exe	98
PID 1648 wrote to memory of 4516	1648	services.exe	99
PID 1648 wrote to memory of 4516	1648	services.exe	99
PID 1648 wrote to memory of 4516	1648	services.exe	99
PID 1648 wrote to memory of 3144	1648	services.exe	100
PID 1648 wrote to memory of 3144	1648	services.exe	100
PID 1648 wrote to memory of 3144	1648	services.exe	100
PID 3144 wrote to memory of 4344	3144	NET.exe	103
PID 3144 wrote to memory of 4344	3144	NET.exe	103
PID 3144 wrote to memory of 4344	3144	NET.exe	103
PID 4516 wrote to memory of 2604	4516	NET.exe	104
PID 4516 wrote to memory of 2604	4516	NET.exe	104
PID 4516 wrote to memory of 2604	4516	NET.exe	104

C:\Users\Admin\AppData\Local\Temp\8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8509e08d581df8f53c27eba8e8df5d01_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\tmp.tmp.tmp1
  C:\Windows\tmp.tmp.tmp1
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3148
- - C:\Windows\SysWOW64\fservice.exe
    C:\Windows\system32\fservice.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3816
  - - C:\Windows\services.exe
      C:\Windows\services.exe -XP
      4⤵
      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 behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1648
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4516
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2604
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3144
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4344
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\tmp.tmp.tmp1.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

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\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
C:\Windows\tmp.tmp.tmp1

Filesize
351KB

MD5
a1f3c430638ee641846aeab75ae8e1e3

SHA1
8e06aa302e89f11577f21ba4b3cf59ea862136aa

SHA256
e896a283d4fa5f173a698d14f995d46d4c01affceb6781c73ae84ddc86c6a243

SHA512
21410d573a3b16caadc9fd2f0b776d2667bfc02293e91f0a675897060a1f17bdad42ec049a2d26323054b7102cbf1e5531cffc76c70e31bc3a900ad0332417b5

Download Submit
C:\Windows\tmp.tmp.tmp1.bat

Filesize
87B

MD5
48c981dab8612d7f8bee53bfc76699ca

SHA1
5a04c80822e4a3013ca15d2217f9f681b8c380c4

SHA256
59893d0095d7908a52e599de8856fecc13e4ac175831063469a192bc512f7daa

SHA512
6d1f9d436b6a860b65bd950cb5bc51c86e7b67fa932d3fb0418def6d7a05e1c9d96c27a0f9b154beb2d62f9f2f46d40db984e0afb76e74d714320a10b097913c

Download Submit
memory/1648-45-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-53-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-57-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-56-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-33-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-55-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-54-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-52-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-51-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-46-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-47-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-48-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-49-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/1648-50-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/2800-0-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2800-10-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3148-9-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/3148-22-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/3148-11-0x0000000002A80000-0x0000000002A81000-memory.dmp

Filesize
4KB

Download
memory/3816-34-0x0000000000400000-0x0000000000AFFCEE-memory.dmp

Filesize
7.0MB

Download
memory/3816-24-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download