7f42208dc3014116ad1b2df00e521e3b45da62380bb968a10c7e43048aaf8f6a

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 23:04

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General

Target

ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
Size

772KB
MD5

ee9a93f6912c6f101941e89120e1e9f0
SHA1

d5342d5a7b4fcc28b040c5e543caca02b529ad1e
SHA256

7f42208dc3014116ad1b2df00e521e3b45da62380bb968a10c7e43048aaf8f6a
SHA512

46425eca3f982d263e0a9ad3284602f42667aa531d793452610612908a5698a994d80e57ed9e62f7a8df510fbd6b7fcb7651e85caeb986b28825cdf94d59150b
SSDEEP

12288:ZA/G/Ldi579Dgtg96QxhtF1yDtSyBeUEDICSS0e+CWH93OVFw:S4MZ9UwZxrF8DtSyBeUEOXCKeVFw

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"	ee9a93f6912c6f101941e89120e1e9f0_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	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	ee9a93f6912c6f101941e89120e1e9f0_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}	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	ee9a93f6912c6f101941e89120e1e9f0_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"	ee9a93f6912c6f101941e89120e1e9f0_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

Deletes itself 1 IoCs

pid	Process
2704	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1908	fservice.exe
2452	services.exe

Loads dropped DLL 6 IoCs

pid	Process
2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
2452	services.exe
2452	services.exe
1908	fservice.exe
2380	ee9a93f6912c6f101941e89120e1e9f0_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\	ee9a93f6912c6f101941e89120e1e9f0_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	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
File created	C:\Windows\SysWOW64\fservice.exe	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
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	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	ee9a93f6912c6f101941e89120e1e9f0_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

System Location Discovery: System Language Discovery 1 TTPs 6 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	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
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	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe
2452	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2452	services.exe
2452	services.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1908	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	30
PID 2380 wrote to memory of 1908	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	30
PID 2380 wrote to memory of 1908	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	30
PID 2380 wrote to memory of 1908	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	30
PID 1908 wrote to memory of 2452	1908	fservice.exe	31
PID 1908 wrote to memory of 2452	1908	fservice.exe	31
PID 1908 wrote to memory of 2452	1908	fservice.exe	31
PID 1908 wrote to memory of 2452	1908	fservice.exe	31
PID 2452 wrote to memory of 2820	2452	services.exe	32
PID 2452 wrote to memory of 2820	2452	services.exe	32
PID 2452 wrote to memory of 2820	2452	services.exe	32
PID 2452 wrote to memory of 2820	2452	services.exe	32
PID 2820 wrote to memory of 2592	2820	NET.exe	34
PID 2820 wrote to memory of 2592	2820	NET.exe	34
PID 2820 wrote to memory of 2592	2820	NET.exe	34
PID 2820 wrote to memory of 2592	2820	NET.exe	34
PID 2380 wrote to memory of 2704	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2704	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2704	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2704	2380	ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee9a93f6912c6f101941e89120e1e9f0_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:2380
- 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:1908
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2820
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2592
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2704

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\ee9a93f6912c6f101941e89120e1e9f0_JaffaCakes118.exe.bat

Filesize
133B

MD5
a7833b002bbb0033ea39435ee4c4c249

SHA1
40a9685687579ab6989207159a82890eccb955d4

SHA256
a91db2a00c632286cbe19420a570c873a95c51f68b736fca95a9e1af2032b918

SHA512
79d6a6dfc5565f2e8f8db22e223a52f8277e80f4102b5cb13f8e387c0d53ba52ee30bcf11bc9ee131ca4c244f0126357b3a16cce93a022fb0c7df87a8989d974

Download Submit
\Windows\SysWOW64\fservice.exe

Filesize
772KB

MD5
ee9a93f6912c6f101941e89120e1e9f0

SHA1
d5342d5a7b4fcc28b040c5e543caca02b529ad1e

SHA256
7f42208dc3014116ad1b2df00e521e3b45da62380bb968a10c7e43048aaf8f6a

SHA512
46425eca3f982d263e0a9ad3284602f42667aa531d793452610612908a5698a994d80e57ed9e62f7a8df510fbd6b7fcb7651e85caeb986b28825cdf94d59150b

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/1908-45-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download
memory/1908-47-0x0000000002570000-0x0000000002680000-memory.dmp

Filesize
1.1MB

Download
memory/1908-48-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download
memory/1908-15-0x0000000002570000-0x0000000002680000-memory.dmp

Filesize
1.1MB

Download
memory/1908-16-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/1908-30-0x0000000003DC0000-0x0000000004397000-memory.dmp

Filesize
5.8MB

Download
memory/2380-14-0x0000000003F70000-0x0000000004547000-memory.dmp

Filesize
5.8MB

Download
memory/2380-0-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download
memory/2380-5-0x00000000029A0000-0x00000000029A1000-memory.dmp

Filesize
4KB

Download
memory/2380-6-0x00000000024D0000-0x00000000025E0000-memory.dmp

Filesize
1.1MB

Download
memory/2380-50-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download
memory/2452-31-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download
memory/2452-26-0x0000000002290000-0x00000000023A0000-memory.dmp

Filesize
1.1MB

Download
memory/2452-53-0x0000000002290000-0x00000000023A0000-memory.dmp

Filesize
1.1MB

Download
memory/2452-55-0x0000000000400000-0x00000000009D7000-memory.dmp

Filesize
5.8MB

Download