9074c794f8c7e87a4d6cba91fb5025a0f14ca74bc5dfff4676de7aa0fbc4dec8

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 12:52

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General

Target

635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
Size

536KB
MD5

635c6e44e1de5d34a380878fe4b6fa44
SHA1

a6cbd6b2f1062d10431d2059f277b314965be424
SHA256

9074c794f8c7e87a4d6cba91fb5025a0f14ca74bc5dfff4676de7aa0fbc4dec8
SHA512

d15faa1719388449bb7409914cb0d344a9a26feb57129078e192fef51f009b0d3b686bcc1cfd507ba64f6f272d9fbe87ee882d8b9415694ffcff038f2cd176eb
SSDEEP

12288:PFUNDa9C6IJePSE3SEDny1YaUT2wdv1ENA2+wA:PFOa9C6CePSIXDny1YaQ2wdv1b2+wA

Score

10^/10

evasion persistence

Malware Config

Signatures

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 6 IoCs

pid	Process
1080	635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe
2828	icsys.icn.exe
2868	explorer.exe
2692	spoolsv.exe
2628	svchost.exe
2580	spoolsv.exe

Loads dropped DLL 11 IoCs

pid	Process
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
2828	icsys.icn.exe
2868	explorer.exe
2692	spoolsv.exe
2628	svchost.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\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	1080	WerFault.exe	28

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2944	schtasks.exe
2736	schtasks.exe
1572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2868	explorer.exe
2628	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
2828	icsys.icn.exe
2828	icsys.icn.exe
2868	explorer.exe
2868	explorer.exe
2692	spoolsv.exe
2692	spoolsv.exe
2628	svchost.exe
2628	svchost.exe
2580	spoolsv.exe
2580	spoolsv.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 1080	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	28
PID 1252 wrote to memory of 1080	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	28
PID 1252 wrote to memory of 1080	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	28
PID 1252 wrote to memory of 1080	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	28
PID 1080 wrote to memory of 2384	1080	635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe	29
PID 1080 wrote to memory of 2384	1080	635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe	29
PID 1080 wrote to memory of 2384	1080	635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe	29
PID 1080 wrote to memory of 2384	1080	635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe	29
PID 1252 wrote to memory of 2828	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	30
PID 1252 wrote to memory of 2828	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	30
PID 1252 wrote to memory of 2828	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	30
PID 1252 wrote to memory of 2828	1252	635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe	30
PID 2828 wrote to memory of 2868	2828	icsys.icn.exe	31
PID 2828 wrote to memory of 2868	2828	icsys.icn.exe	31
PID 2828 wrote to memory of 2868	2828	icsys.icn.exe	31
PID 2828 wrote to memory of 2868	2828	icsys.icn.exe	31
PID 2868 wrote to memory of 2692	2868	explorer.exe	32
PID 2868 wrote to memory of 2692	2868	explorer.exe	32
PID 2868 wrote to memory of 2692	2868	explorer.exe	32
PID 2868 wrote to memory of 2692	2868	explorer.exe	32
PID 2692 wrote to memory of 2628	2692	spoolsv.exe	33
PID 2692 wrote to memory of 2628	2692	spoolsv.exe	33
PID 2692 wrote to memory of 2628	2692	spoolsv.exe	33
PID 2692 wrote to memory of 2628	2692	spoolsv.exe	33
PID 2628 wrote to memory of 2580	2628	svchost.exe	34
PID 2628 wrote to memory of 2580	2628	svchost.exe	34
PID 2628 wrote to memory of 2580	2628	svchost.exe	34
PID 2628 wrote to memory of 2580	2628	svchost.exe	34
PID 2868 wrote to memory of 1280	2868	explorer.exe	35
PID 2868 wrote to memory of 1280	2868	explorer.exe	35
PID 2868 wrote to memory of 1280	2868	explorer.exe	35
PID 2868 wrote to memory of 1280	2868	explorer.exe	35
PID 2628 wrote to memory of 1572	2628	svchost.exe	36
PID 2628 wrote to memory of 1572	2628	svchost.exe	36
PID 2628 wrote to memory of 1572	2628	svchost.exe	36
PID 2628 wrote to memory of 1572	2628	svchost.exe	36
PID 2628 wrote to memory of 2944	2628	svchost.exe	41
PID 2628 wrote to memory of 2944	2628	svchost.exe	41
PID 2628 wrote to memory of 2944	2628	svchost.exe	41
PID 2628 wrote to memory of 2944	2628	svchost.exe	41
PID 2628 wrote to memory of 2736	2628	svchost.exe	43
PID 2628 wrote to memory of 2736	2628	svchost.exe	43
PID 2628 wrote to memory of 2736	2628	svchost.exe	43
PID 2628 wrote to memory of 2736	2628	svchost.exe	43

C:\Users\Admin\AppData\Local\Temp\635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\635c6e44e1de5d34a380878fe4b6fa44_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1252
- \??\c:\users\admin\appdata\local\temp\635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe
  c:\users\admin\appdata\local\temp\635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 548
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2384
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2828
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2692
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2628
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2580
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:54 /f
        6⤵
        Creates scheduled task(s)
        
        PID:1572
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:55 /f
        6⤵
        Creates scheduled task(s)
        
        PID:2944
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:56 /f
        6⤵
        Creates scheduled task(s)
        
        PID:2736
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:1280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
a5c242ad50adc38ef2dea4a7d35f2913

SHA1
6b7b7d57e9fd6b55df8603c5a2c740b0c3bdf2bf

SHA256
25f09124f0c3355e8e628da65873f68e0e42b6b9c3a390d5ebf334a58ec28bd9

SHA512
713b661562c167a7aa324f4bcfcf2f2cb7e2e893a7dcd6b75ae69aae2a8858e04c9cead4ae3a0ed4e210ba10752dc0b0063aa8ec7500c44ecee26e4ed05bd59f

Download Submit
\Users\Admin\AppData\Local\Temp\635c6e44e1de5d34a380878fe4b6fa44_jaffacakes118.exe

Filesize
401KB

MD5
17b296f61335fa23e349fc6da39b66fa

SHA1
19969e84f7406b20afac95c230ccf757cc965e26

SHA256
fbb3c703a2acf5bde00800d2237b3405523194884cccbd781c827a39549fa9dc

SHA512
514ab29fefea25e0e754dcfcdd8be5bec68fc8106afa39d7e898b77e072604ec5174b814995a84bdbc5f27325daeda008f7523c58a8634a9a9dbb4645a81c39a

Download Submit
\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
39bc8f3abd573b5a2ecff9ac91240238

SHA1
1c6bf8437e342a40fbd0f6208efdf3e64ed06014

SHA256
f055015bf54d33abe15d076277b966b32eaf93a8a7807bc659f99941f8265c85

SHA512
a7f1021e107852af35b5ab5987168bb6900d1e2fcadcd350294d6bab6924ec946ac0972262ad7e106ecb2fde7d0c909e062e03c9fe82c0e19d56cacc29628064

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
532d6c1865487f88bca9e681292e34d3

SHA1
228d24330e4d62c9aa2517d617caf1245268de89

SHA256
e6c865586416b71dc11aa4001a925a7ba14a26c3b350271a5992bc7a9e19d16a

SHA512
8f2944b8bad59bd2f7591b8c6540e824c8a4c8142f8e7f2e94b7a6277fd040a3a327b135811aef324d20f4c272e90470ab3601141aa80338d398322fea450f52

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
ff443da7e2805cadf066b55151b5a09a

SHA1
8f08d58fb7e6138b51e6e650ebdbacd2fb13f99e

SHA256
dd0da26d95a2d6f7e55d1edbca6ef6aed46367d62e328908465891f23d1ec0ff

SHA512
828e0190885d87ba387ec30963cfd210e35d73588a736709d07a97eb0dcba3180ca2f808acbf5e548e7c098a1af160d595d44251dbf2f7bced153375595d344c

Download Submit
memory/1080-62-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/1080-11-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/1080-12-0x0000000000330000-0x000000000039A000-memory.dmp

Filesize
424KB

Download
memory/1252-22-0x0000000000420000-0x000000000043F000-memory.dmp

Filesize
124KB

Download
memory/1252-68-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1252-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2580-66-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2628-57-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2692-67-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2828-33-0x00000000003E0000-0x00000000003FF000-memory.dmp

Filesize
124KB

Download
memory/2828-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2868-44-0x0000000000730000-0x000000000074F000-memory.dmp

Filesize
124KB

Download