cc59a4a64b249de2281f781d6584d5bd35c14bd3d5b234deb520c9320fc2da70

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 08:29

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General

Target

e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.dll
Size

194KB
MD5

e991fa862f5a2693a1c3585bb9714fbd
SHA1

d26ecf225e69f07cd68e31fd8cccecc77192328f
SHA256

cc59a4a64b249de2281f781d6584d5bd35c14bd3d5b234deb520c9320fc2da70
SHA512

43f31ff4fd2aa32327c37fa359da5466ca3b6f62c814e9e8d4110cb505002b3d5a93a65445bd40b642ec709aa4b7c3d242db93f4addae3490c3eacebf567487e
SSDEEP

3072:iILYp/6oDftXv4PHBWehnCUb4kJLkRz+cY0jiQhrMMOS9Fj71KfCA1TFna8m1:P897xX8YUnCMRJ4O0jpoMOS9FNKf3Z0

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\{DDA388EC-8040-42EA-A742-59841E3750AC}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\ = "Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.Java (TM)\ = "Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.Java (TM)\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.Java (TM)	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.Java (TM)\Clsid\ = "{DDA388EC-8040-42EA-A742-59841E3750AC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDA388EC-8040-42EA-A742-59841E3750AC}\ProgID\ = "e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.Java (TM)"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28
PID 2204 wrote to memory of 1712	2204	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e991fa862f5a2693a1c3585bb9714fbd_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1712

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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