63fb6cc36e89dcde6f07a87d2bd7302adcd1fc239c1eed702231dafc0002a853

General

Target

d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
Size

343KB
MD5

d6bb7b4b7cd0b8cd2110c7f88ad35d75
SHA1

7fa3d437ee3d0b2aeda598fad6cafe4e6be1c796
SHA256

63fb6cc36e89dcde6f07a87d2bd7302adcd1fc239c1eed702231dafc0002a853
SHA512

94f1ea6410caeb6a4504914fd11a217b9b2bb1077fad2848cb0ecfa807d2e532e813e2153ad8e0cb714e6e644b24e0b0d252015818a4cd81eb7360c783d102e0
SSDEEP

6144:hGD4mMfWrYcHNarg+AIiyNNPvTgU4KrkrfOkK4fWjSy2rC:hGDqurYGmgcNnTa0wjK4ujSyMC

Score

10^/10

discovery persistence upx

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"	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.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}	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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"	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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
2344	fservice.exe
2480	services.exe

Loads dropped DLL 6 IoCs

pid	Process
2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
2480	services.exe
2480	services.exe
2344	fservice.exe
2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe

UPX packed file 20 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2948-0-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/files/0x000e00000001434d-7.dat	upx
behavioral1/memory/2480-26-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2948-39-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2344-37-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-41-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-42-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-44-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-45-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-46-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-47-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-48-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-49-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-50-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-51-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-52-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-53-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-54-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-55-0x0000000000400000-0x00000000005FE000-memory.dmp	upx
behavioral1/memory/2480-56-0x0000000000400000-0x00000000005FE000-memory.dmp	upx

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\	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	d6bb7b4b7cd0b8cd2110c7f88ad35d75_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
File opened for modification	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.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	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2480	services.exe
2480	services.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2344	2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe	31
PID 2948 wrote to memory of 2344	2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe	31
PID 2948 wrote to memory of 2344	2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe	31
PID 2948 wrote to memory of 2344	2948	d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe	31
PID 2344 wrote to memory of 2480	2344	fservice.exe	32
PID 2344 wrote to memory of 2480	2344	fservice.exe	32
PID 2344 wrote to memory of 2480	2344	fservice.exe	32
PID 2344 wrote to memory of 2480	2344	fservice.exe	32
PID 2480 wrote to memory of 2168	2480	services.exe	33
PID 2480 wrote to memory of 2168	2480	services.exe	33
PID 2480 wrote to memory of 2168	2480	services.exe	33
PID 2480 wrote to memory of 2168	2480	services.exe	33
PID 2168 wrote to memory of 2728	2168	NET.exe	35
PID 2168 wrote to memory of 2728	2168	NET.exe	35
PID 2168 wrote to memory of 2728	2168	NET.exe	35
PID 2168 wrote to memory of 2728	2168	NET.exe	35

C:\Users\Admin\AppData\Local\Temp\d6bb7b4b7cd0b8cd2110c7f88ad35d75_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d6bb7b4b7cd0b8cd2110c7f88ad35d75_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:2948
- 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:2344
- - 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
    - Suspicious use of WriteProcessMemory
    PID:2480
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2168
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2728

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

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Downloads

C:\Windows\SysWOW64\fservice.exe

Filesize
343KB

MD5
d6bb7b4b7cd0b8cd2110c7f88ad35d75

SHA1
7fa3d437ee3d0b2aeda598fad6cafe4e6be1c796

SHA256
63fb6cc36e89dcde6f07a87d2bd7302adcd1fc239c1eed702231dafc0002a853

SHA512
94f1ea6410caeb6a4504914fd11a217b9b2bb1077fad2848cb0ecfa807d2e532e813e2153ad8e0cb714e6e644b24e0b0d252015818a4cd81eb7360c783d102e0

Download Submit
\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
d4a3f90e159ffbcbc4f9740de4b7f171

SHA1
0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

SHA256
2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

SHA512
5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
43e7d9b875c921ba6be38d45540fb9dd

SHA1
f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

SHA256
f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

SHA512
2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

Download Submit
memory/2344-27-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2344-37-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-43-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2480-46-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-26-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-56-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-55-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-54-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-41-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-53-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-42-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-44-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-45-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-28-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2480-47-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-48-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-49-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-50-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-51-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2480-52-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2948-0-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2948-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2948-39-0x0000000000400000-0x00000000005FE000-memory.dmp

Filesize
2.0MB

Download
memory/2948-13-0x00000000032E0000-0x00000000034DE000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads