b942f591029dea61e17950f52cec8855162f424037756f92c7ee0b2ae702e1df

Analysis

max time kernel
147s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 14:32

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General

Target

3a997f1954e96aeb90dc786f286d71e0_JaffaCakes118.dll
Size

120KB
MD5

3a997f1954e96aeb90dc786f286d71e0
SHA1

ce54707f345220622acfbf0a532230a413034875
SHA256

b942f591029dea61e17950f52cec8855162f424037756f92c7ee0b2ae702e1df
SHA512

e8cae0352fcd6980f2d3745cc5b9a6cc44423e7d0ee9412dbe031940ea59be7109c6f7ebb9f38fc0b143ba70beaa9474962e93f9d1f6b813e0b6b4add6ffb396
SSDEEP

3072:/sgbtActGqFTmSVqtAP0u9KGu3JKKw66XZE+IT7C+:jXFTm8sYKhv+EH/h

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	rundll32.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	rundll32.exe

Enumerates connected drives 3 TTPs 3 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe

Modifies registry class 32 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5000310000000000a858805c100041646d696e003c0009000400efbea858c653ac5810742e0000006fe101000000010000000000000000000000000000002b63da00410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 5600310000000000a858c65312004170704461746100400009000400efbea858c653a8581d542e0000007ae10100000001000000000000000000000000000000d329c9004100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 7800310000000000a858c6531100557365727300640009000400efbe874f7748ac5810742e000000c70500000000010000000000000000003a0000000000b177d70055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1376	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	rundll32.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1376	explorer.exe
1376	explorer.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 684	2964	rundll32.exe	82
PID 2964 wrote to memory of 684	2964	rundll32.exe	82
PID 2964 wrote to memory of 684	2964	rundll32.exe	82
PID 684 wrote to memory of 3436	684	rundll32.exe	56
PID 684 wrote to memory of 3472	684	rundll32.exe	86
PID 684 wrote to memory of 3472	684	rundll32.exe	86
PID 684 wrote to memory of 3472	684	rundll32.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3436
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a997f1954e96aeb90dc786f286d71e0_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a997f1954e96aeb90dc786f286d71e0_JaffaCakes118.dll,#1
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Enumerates connected drives
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:684
  - - C:\Windows\SysWOW64\explorer.exe
      explorer C:\Users\Admin\AppData
      4⤵
      PID:3472

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1376

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/684-3-0x00000000009C0000-0x00000000009E2000-memory.dmp

Filesize
136KB

Download
memory/684-5-0x00000000009C0000-0x00000000009E2000-memory.dmp

Filesize
136KB

Download
memory/684-7-0x000000007F910000-0x000000007F911000-memory.dmp

Filesize
4KB

Download
memory/684-6-0x0000000077E02000-0x0000000077E03000-memory.dmp

Filesize
4KB

Download