f9fc43da31a6fe74cc7487630d843029b4148ffcf3aacc2d4cc339b8f5161240

Analysis

max time kernel
139s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 06:17

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General

Target

489257a29cfd4d762797bf859e29abd0_JaffaCakes118.dll
Size

191KB
MD5

489257a29cfd4d762797bf859e29abd0
SHA1

6c5095c22ff0aeaac7ba8d6082e8ad45d4fcbf05
SHA256

f9fc43da31a6fe74cc7487630d843029b4148ffcf3aacc2d4cc339b8f5161240
SHA512

7fecd916c5418020359c2a34cdce3a26e54da344d9090ce4f6bb624bb2437bf468b0c09cbf8b142cfcdd302fc78661f052da08512672848490e84cfa422c43aa
SSDEEP

3072:biyUumlsxZ1Icv6yYZAzCbWWDC1JL+O1w0dbyfCL954qX3GBUSM5J4cZ6x99XQJ:bwuks6cvbYGzCDDwL+O1Ppz4hBUhGcZx

Score

6^/10

adware stealer

Malware Config

Signatures

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\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.msrtge\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.msrtge\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.msrtge\Clsid\ = "{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\ProgID\ = "489257a29cfd4d762797bf859e29abd0_JaffaCakes118.msrtge"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.msrtge	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47CFDDF9-6FBD-4C06-8753-24FEFBA10D59}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2536	1640	regsvr32.exe	85
PID 1640 wrote to memory of 2536	1640	regsvr32.exe	85
PID 1640 wrote to memory of 2536	1640	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\489257a29cfd4d762797bf859e29abd0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2536

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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