9bb685d9d476ccf9b97ec79e1c648a15b16200e7514c27757b2d5eb5f0cf6175

Analysis

max time kernel
135s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 02:50

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General

Target

2ebcc66c41d5a4b19666da7a4255bfea_JaffaCakes118.dll
Size

173KB
MD5

2ebcc66c41d5a4b19666da7a4255bfea
SHA1

a0a61370e49a186565f53b7b27a8d707706bbc95
SHA256

9bb685d9d476ccf9b97ec79e1c648a15b16200e7514c27757b2d5eb5f0cf6175
SHA512

d6c449df4d2ef74622f67176dfa2be7b4d0968e2734e13a91a17a394d6b71b751d9a1445f96f890058f8a721a3e0b8aafcba65398f5f7d71ee589b95e6ecb088
SSDEEP

3072:j9LGFkHhUdYpDj4npbtY0jUHrOJRQlUwD0Vek8m8vfW63GsOdKAhs0dYSRor8zk6:jdH6+QtYhrWQmwD0VeZu63RigCYSwO

Score

10^/10

evasion upx

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-1-5-21-1015551233-1106003478-1645743776-1000\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-1-5-21-1015551233-1106003478-1645743776-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	rundll32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4144-3-0x0000000010000000-0x0000000010025000-memory.dmp	upx
behavioral2/memory/4144-4-0x0000000010000000-0x0000000010025000-memory.dmp	upx
behavioral2/memory/4144-10-0x0000000010000000-0x0000000010025000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 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)	\??\P:	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe

Modifies registry class 32 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 7800310000000000e458e4831100557365727300640009000400efbe874f7748e958b3402e000000c70500000000010000000000000000003a0000000000e06c2b0155007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5000310000000000e4583c91100041646d696e003c0009000400efbee458e483e958b3402e0000007ee10100000001000000000000000000000000000000db122601410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 5600310000000000e458e48312004170704461746100400009000400efbee458e483e458b0902e00000089e10100000001000000000000000000000000000000375a18014100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3652	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4144	rundll32.exe
4144	rundll32.exe
4144	rundll32.exe
4144	rundll32.exe
4144	rundll32.exe
4144	rundll32.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	4144	rundll32.exe
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3404	Explorer.EXE
3404	Explorer.EXE
3404	Explorer.EXE
3404	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3652	explorer.exe
3652	explorer.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 4144	2440	rundll32.exe	82
PID 2440 wrote to memory of 4144	2440	rundll32.exe	82
PID 2440 wrote to memory of 4144	2440	rundll32.exe	82
PID 4144 wrote to memory of 3404	4144	rundll32.exe	55
PID 4144 wrote to memory of 3664	4144	rundll32.exe	86
PID 4144 wrote to memory of 3664	4144	rundll32.exe	86
PID 4144 wrote to memory of 3664	4144	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:3404
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ebcc66c41d5a4b19666da7a4255bfea_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ebcc66c41d5a4b19666da7a4255bfea_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:4144
  - - C:\Windows\SysWOW64\explorer.exe
      explorer C:\Users\Admin\AppData
      4⤵
      PID:3664

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:3652

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2776

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/4144-1-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4144-0-0x000000001001C000-0x0000000010022000-memory.dmp

Filesize
24KB

Download
memory/4144-3-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4144-2-0x0000000001030000-0x0000000001031000-memory.dmp

Filesize
4KB

Download
memory/4144-4-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4144-5-0x0000000002A20000-0x0000000002A42000-memory.dmp

Filesize
136KB

Download
memory/4144-6-0x0000000002A20000-0x0000000002A42000-memory.dmp

Filesize
136KB

Download
memory/4144-10-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4144-8-0x0000000002A20000-0x0000000002A42000-memory.dmp

Filesize
136KB

Download
memory/4144-13-0x000000001001C000-0x0000000010022000-memory.dmp

Filesize
24KB

Download