4584282c886f57b2577b19a83d842f7d48595ad91487669e3906ae2601f7f4f2

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 00:33

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General

Target

01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
Size

206KB
MD5

01732b6e6b7ebe6efed4369ea4aa8fb0
SHA1

262e971df34b999f17843a537532fcc275beb163
SHA256

4584282c886f57b2577b19a83d842f7d48595ad91487669e3906ae2601f7f4f2
SHA512

837c9e2ab0041b6f3b616b4984f5a6229e67b0d127e72dee5b762ee21282d72ff3260fb94532bbd894fed6341febde1ea2d18b373ae3526f82476b91d945b170
SSDEEP

3072:zvEfVUzSLhIVbV6i5LirrlZrHyrUHUckoMQ2RN6unX:zvEN2U+T6i5LirrllHy4HUcMQY6u

Score

10^/10

evasion 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 = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1188	explorer.exe
2524	spoolsv.exe
2080	svchost.exe
3092	spoolsv.exe

Adds 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\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\explorer.exe	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
1188	explorer.exe
1188	explorer.exe
1188	explorer.exe
1188	explorer.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe
1188	explorer.exe
1188	explorer.exe
2080	svchost.exe
2080	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1188	explorer.exe
2080	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
1188	explorer.exe
1188	explorer.exe
2524	spoolsv.exe
2524	spoolsv.exe
2080	svchost.exe
2080	svchost.exe
3092	spoolsv.exe
3092	spoolsv.exe
1188	explorer.exe
1188	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1188	4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe	82
PID 4576 wrote to memory of 1188	4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe	82
PID 4576 wrote to memory of 1188	4576	01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe	82
PID 1188 wrote to memory of 2524	1188	explorer.exe	83
PID 1188 wrote to memory of 2524	1188	explorer.exe	83
PID 1188 wrote to memory of 2524	1188	explorer.exe	83
PID 2524 wrote to memory of 2080	2524	spoolsv.exe	84
PID 2524 wrote to memory of 2080	2524	spoolsv.exe	84
PID 2524 wrote to memory of 2080	2524	spoolsv.exe	84
PID 2080 wrote to memory of 3092	2080	svchost.exe	85
PID 2080 wrote to memory of 3092	2080	svchost.exe	85
PID 2080 wrote to memory of 3092	2080	svchost.exe	85
PID 2080 wrote to memory of 624	2080	svchost.exe	86
PID 2080 wrote to memory of 624	2080	svchost.exe	86
PID 2080 wrote to memory of 624	2080	svchost.exe	86
PID 2080 wrote to memory of 1456	2080	svchost.exe	101
PID 2080 wrote to memory of 1456	2080	svchost.exe	101
PID 2080 wrote to memory of 1456	2080	svchost.exe	101
PID 2080 wrote to memory of 3148	2080	svchost.exe	111
PID 2080 wrote to memory of 3148	2080	svchost.exe	111
PID 2080 wrote to memory of 3148	2080	svchost.exe	111

C:\Users\Admin\AppData\Local\Temp\01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01732b6e6b7ebe6efed4369ea4aa8fb0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576
- \??\c:\windows\system\explorer.exe
  c:\windows\system\explorer.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1188
- - \??\c:\windows\system\spoolsv.exe
    c:\windows\system\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - \??\c:\windows\system\svchost.exe
      c:\windows\system\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Modifies visiblity of hidden/system files in Explorer
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2080
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3092
    - - C:\Windows\SysWOW64\at.exe
        
        at 00:35 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:624
    - - C:\Windows\SysWOW64\at.exe
        
        at 00:36 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1456
    - - C:\Windows\SysWOW64\at.exe
        
        at 00:37 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3148

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\mrsys.exe

Filesize
206KB

MD5
e30d75c370a7c8daa8240c962c7e96e3

SHA1
d6fe9b712f8922c702e12daec7299bfd4b8a488d

SHA256
c328fec1cc75540cffbb8c3067282e39caf63f2150c3f984c84ea074f0a43496

SHA512
7962e5c5a0c17e74ddb2626a91c3b841ee006a1c4c29aa068c38b847f3bb51f58554211d54b51af7052f98cabdcd1280836d8d4297f21818c8086e577fdf627b

Download Submit
C:\Windows\System\explorer.exe

Filesize
206KB

MD5
4cc06998cf9189110fc86cfaf8b62d09

SHA1
d4f0904b0dbc6afdc382c80be0ae577e9995ef4d

SHA256
ece41bb5199b65ef741e284922690593e8ad4bba8bc598af5274cd3163e817f7

SHA512
751011b4adc89ee25de99f0172d15edafcbd001d98cbc5f6d81b8ce9cfc1f6b73ad8a034a28acfe0ee505ea57b52f996517fc2905aee9f20e260231a050edfd0

Download Submit
C:\Windows\System\spoolsv.exe

Filesize
206KB

MD5
172b16f420e721494cba3711010be168

SHA1
8cd2fb9740d70c812a1f4e3d65b08f97c4e3dcf2

SHA256
15be4e101b4b433766285a059f4506f28240d787367498df363fe82751817a7a

SHA512
26cdb370acf404d15f14729bd3a4ecf1f3c2439b36b37a4837e4426a690668db03cb0238dd142701ee9f7c7c82da9f4266f8c60655cf066335d994b533fb822c

Download Submit
C:\Windows\System\svchost.exe

Filesize
206KB

MD5
0d87e1e043c44a3c74e2cdd3fc17eefa

SHA1
b5afdb477304cdcc08ce7664425ab11084e28230

SHA256
8144a040a44f22c52d79791367ed0729578cbece3cf0113b9a8774abd7b8b0d2

SHA512
277740140b52d07074774a1f1b12acedb81c1f6b317b3c155a6ab064f2f756d1462e0321fa98e7148904ef8ed385d2275cc1cb2494e675878eadf726f47391ee

Download Submit