10bc207a49c42553abfdaf6bad13228ed662c38de58a8132c3c7155f7319163b

General

Target

eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Size

1.9MB
MD5

eba29d7c748c07c33334aeb39f1bfe0e
SHA1

c1dea7399bbc1ce4269bcd95cfe74d096b342392
SHA256

10bc207a49c42553abfdaf6bad13228ed662c38de58a8132c3c7155f7319163b
SHA512

d43c44575afa3d60f836df6d2a2271c06ace31ebf2a38f81572b8948b021c9c11ab3dd4efa377c3801410f52a77c016fc4a34f83e0c1550d75e548984a54d0d9
SSDEEP

12288:4vO2jCbhwdKLPYs0E55JJ5PsLk1rmiUpXwN0PxNBxliM5MPSx/B6zc:emYsL55heZd5PiMsSx/B6zc

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"	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	winlogon.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	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	winlogon.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}	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	eba29d7c748c07c33334aeb39f1bfe0e_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"	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	winlogon.exe

Executes dropped EXE 2 IoCs

pid	Process
2724	fservice.exe
2524	winlogon.exe

Loads dropped DLL 6 IoCs

pid	Process
3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
2524	winlogon.exe
2524	winlogon.exe
2724	fservice.exe
3064	eba29d7c748c07c33334aeb39f1bfe0e_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\	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	winlogon.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fservice.exe	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	eba29d7c748c07c33334aeb39f1bfe0e_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\wininv.dll	winlogon.exe
File created	C:\Windows\SysWOW64\winkey.dll	winlogon.exe
File created	C:\Windows\SysWOW64\fservice.exe	winlogon.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
File created	C:\Windows\winlogon.exe	fservice.exe
File opened for modification	C:\Windows\winlogon.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	winlogon.exe
File opened for modification	C:\Windows\system\sservice.exe	winlogon.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	winlogon.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	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2524	winlogon.exe
2524	winlogon.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2724	3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2724	3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2724	3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2724	3064	eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe	30
PID 2724 wrote to memory of 2524	2724	fservice.exe	31
PID 2724 wrote to memory of 2524	2724	fservice.exe	31
PID 2724 wrote to memory of 2524	2724	fservice.exe	31
PID 2724 wrote to memory of 2524	2724	fservice.exe	31
PID 2524 wrote to memory of 2876	2524	winlogon.exe	32
PID 2524 wrote to memory of 2876	2524	winlogon.exe	32
PID 2524 wrote to memory of 2876	2524	winlogon.exe	32
PID 2524 wrote to memory of 2876	2524	winlogon.exe	32
PID 2876 wrote to memory of 2680	2876	NET.exe	34
PID 2876 wrote to memory of 2680	2876	NET.exe	34
PID 2876 wrote to memory of 2680	2876	NET.exe	34
PID 2876 wrote to memory of 2680	2876	NET.exe	34

C:\Users\Admin\AppData\Local\Temp\eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eba29d7c748c07c33334aeb39f1bfe0e_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:3064
- 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:2724
- - C:\Windows\winlogon.exe
    C:\Windows\winlogon.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:2524
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2876
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP SharedAccess
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2680

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

Network Share Discovery

1

T1135

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

\Windows\SysWOW64\fservice.exe

Filesize
1.9MB

MD5
eba29d7c748c07c33334aeb39f1bfe0e

SHA1
c1dea7399bbc1ce4269bcd95cfe74d096b342392

SHA256
10bc207a49c42553abfdaf6bad13228ed662c38de58a8132c3c7155f7319163b

SHA512
d43c44575afa3d60f836df6d2a2271c06ace31ebf2a38f81572b8948b021c9c11ab3dd4efa377c3801410f52a77c016fc4a34f83e0c1550d75e548984a54d0d9

Download Submit
\Windows\SysWOW64\wininv.dll

Filesize
24KB

MD5
f44e9190900ae1ff43d951dc12691e6c

SHA1
b17cb75f21486fdf0fff99c0313a7156a62653b8

SHA256
1feb2aea58b433b163612d51f454862d9e2921624be878cb26d8609e2c6d1cc0

SHA512
8d3c0fe7ccd4cae8bafedf08b92c6fd344a008063c9511def1c5399583336a2034543db15e75fdc42c16e70d14055263aac06240b457b57bd859520b4f3ba714

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
c24d86c806c4b9f0783c486483b48097

SHA1
94ad47858a88ceea3e0b7ef0f0cd426490a85258

SHA256
bd0316f0231bda178be580e8f66265b6e33ebd7d30eb24c9fbc7d69668f2bc70

SHA512
80fccf0c26ae7497ed5f7fafb8b0e990af5a9b0f3799e35b17c9d309d4d4654b3ae6415f1f5e10923cacba8d60ad0e0e809b15feb4fc709ee55fd0fb49c10dbf

Download Submit
memory/2524-22-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2524-26-0x00000000760B1000-0x00000000760B2000-memory.dmp

Filesize
4KB

Download
memory/2524-30-0x00000000760B0000-0x00000000760DA000-memory.dmp

Filesize
168KB

Download
memory/2524-38-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2524-39-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/2524-42-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/2724-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2724-34-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/3064-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/3064-35-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads