75108791d60cf29751d836a614abd36bea9c23c66f080f41a434ada6be65196d

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 00:01

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General

Target

f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
Size

632KB
MD5

f49e0b097d67c21a318db444aa8813e6
SHA1

14e4369337857e19d9726b65041c574b7b2b3a66
SHA256

75108791d60cf29751d836a614abd36bea9c23c66f080f41a434ada6be65196d
SHA512

9335478e8661bcebfe0e4108d2527b358f7a4567937a016c91901ebff7ef0e55e21fa9ef04b619480f47c35f8dfb13cbd237e8108017d2f0b1c709ccf87236bb
SSDEEP

6144:I2uNyWziInfDncpVARIVKgjYrZ/+edJXiRns9S3CBfC6MnLGbGPYCzVoLZ8FPrMW:cKpVIYjsmeR9YtHnabGdV6Zey

Score

10^/10

bootkit evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\windows\mdm.exe = "c:\\windows\\mdm.exe:*:Enabled:Microsoft Firevall Engine"	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2784	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
2608	mdm.exe
2368	mdm.exe
2332	mdm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Firevall Engine = "c:\\windows\\mdm.exe"	mdm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Firevall Engine = "c:\\windows\\mdm.exe"	mdm.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	mdm.exe
File opened for modification	\??\PhysicalDrive0	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2940 set thread context of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2608 set thread context of 2368	2608	mdm.exe	31
PID 2368 set thread context of 2332	2368	mdm.exe	32

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\windows\mdm.exe	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
File opened for modification	\??\c:\windows\mdm.exe	mdm.exe
File opened for modification	\??\c:\windows\mdm.exe	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe
2332	mdm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
Token: SeDebugPrivilege	2332	mdm.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
2608	mdm.exe
2368	mdm.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2808 wrote to memory of 2940	2808	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	28
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 2940 wrote to memory of 1324	2940	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	29
PID 1324 wrote to memory of 2608	1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	30
PID 1324 wrote to memory of 2608	1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	30
PID 1324 wrote to memory of 2608	1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	30
PID 1324 wrote to memory of 2608	1324	f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe	30
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2608 wrote to memory of 2368	2608	mdm.exe	31
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2368 wrote to memory of 2332	2368	mdm.exe	32
PID 2332 wrote to memory of 2784	2332	mdm.exe	33
PID 2332 wrote to memory of 2784	2332	mdm.exe	33
PID 2332 wrote to memory of 2784	2332	mdm.exe	33
PID 2332 wrote to memory of 2784	2332	mdm.exe	33

C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f49e0b097d67c21a318db444aa8813e6_JaffaCakes118.exe"
    3⤵
    - Modifies firewall policy service
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1324
  - - \??\c:\windows\mdm.exe
      c:\windows\mdm.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2608
    - - \??\c:\windows\mdm.exe
        
        c:\windows\mdm.exe
        5⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2368
      - \??\c:\windows\mdm.exe
        
        c:\windows\mdm.exe
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2332
        
        C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "c:\windows\mdm.exe" "MSN Messenger" ENABLE
        7⤵
        Modifies Windows Firewall
        
        PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mdm.exe

Filesize
632KB

MD5
f49e0b097d67c21a318db444aa8813e6

SHA1
14e4369337857e19d9726b65041c574b7b2b3a66

SHA256
75108791d60cf29751d836a614abd36bea9c23c66f080f41a434ada6be65196d

SHA512
9335478e8661bcebfe0e4108d2527b358f7a4567937a016c91901ebff7ef0e55e21fa9ef04b619480f47c35f8dfb13cbd237e8108017d2f0b1c709ccf87236bb

Download Submit
memory/1324-40-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-32-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-33-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-27-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-30-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-17-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-19-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-21-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1324-23-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2332-82-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2332-80-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2332-79-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2332-83-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2332-85-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2368-76-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-29-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-14-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2940-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download