21aab27ed84fad9dcc51e71864d2bf474268bddb1943967484127f18f94245c3

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 21:17

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General

Target

ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.dll
Size

220KB
MD5

ec02a75bea3b9afc86af978246e179bb
SHA1

6752e269c73c54296fb7710c51d47beef591a924
SHA256

21aab27ed84fad9dcc51e71864d2bf474268bddb1943967484127f18f94245c3
SHA512

6996410faa7efe4e253cef9f50a25a6add2a797096bad6bb3bf078c41a1beaff904671dbe3d836144ab883a7365d3a03648906588a7d844869d1312bbf5c4f89
SSDEEP

6144:NlnjbTkLd0o+SC6jbPgtkJ4NlfrPPeg1:N9PALd0FX6J4Wg

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\New Windows\PopupMgr = "no"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.ThunderBHO 1.5\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\ProgID\ = "ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.ThunderBHO 1.5"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.ThunderBHO 1.5	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.ThunderBHO 1.5\ = "ThunderBrowserHelper Class "	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.ThunderBHO 1.5\Clsid\ = "{0C3261BF-3202-4E0B-B67F-DF471AA6620A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\ = "ThunderBrowserHelper Class "	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C3261BF-3202-4E0B-B67F-DF471AA6620A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28
PID 2012 wrote to memory of 2088	2012	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ec02a75bea3b9afc86af978246e179bb_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2088

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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