defeb9aecd5d9eb09ca29c0aef6a5b27c28c882d08a07744ae126a644f068371

Analysis

max time kernel
93s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10-07-2024 10:53

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General

Target

346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.dll
Size

201KB
MD5

346c7ef74a250ee62fe235997887a6fb
SHA1

72fb5faea72c832217d95859b14e98baf294ca34
SHA256

defeb9aecd5d9eb09ca29c0aef6a5b27c28c882d08a07744ae126a644f068371
SHA512

e2f10e37d7cbfbaf66c78ca573a6dd56cbb96bd8533ad199c45c6255238cd519e66ee528ee56a80ebb9062031af42f1e1329a3eac9e981dccfa0a57682cf2487
SSDEEP

3072:bXXXxL8W/dqneTOjCgyYG6erWnCa1FwUT2HEXkfkGchHbf48w49z1h0:LXxwWL6jChYG6erWntwUT2skfk5Jb9z

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4276-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.P	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.P\ = "O"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\ProgID\ = "346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.P"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\ = "O"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.P\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.P\Clsid\ = "{48FEBB61-C95B-4A70-AF9C-E0CFED3F0FDD}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4276	3964	regsvr32.exe	82
PID 3964 wrote to memory of 4276	3964	regsvr32.exe	82
PID 3964 wrote to memory of 4276	3964	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\346c7ef74a250ee62fe235997887a6fb_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4276-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

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