0d47f6aafacdd1eeb046702a8f0df34b27b21cbbd41e91c48393fa9b512b2de5

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 04:49

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General

Target
f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Size 52KB
Sample240415-ffv2tseh83
SHA256 0d47f6aafacdd1eeb046702a8f0df34b27b21cbbd41e91c48393fa9b512b2de5
MD5 f05861ac21f1c73d85d1ce15de6acbf8
SHA1 28b9fe2a74440414e71a38284161571101555640
SHA512 33430643d8bc32aea20c07fb8815ba45c922c772039b0904f868dcea6f0c219be2fee482d88beba75fb18ad5b78a803fa95c8a22622c29cf6fbfe92aaa82c157
SSDEEP 1536:zk9AFxBOZGGIOnKb6xs5/SdBjdiAstnfxH:Q9UxBOZGGIb6Ot6RiHZH
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe

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	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dl.txt	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vgf32.dll	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\InprocServer32	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\InprocServer32\ = "vgf32.dll"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\ProgID	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\TypeLib	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\ = "Google plugin"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\InprocServer32\ThreadingModel = "Apartment"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\ProgID\ = "Jmc"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63845B64-69B6-4b9a-9461-C59B2AFDC0A9}\TypeLib\ = "{957C5424-4C33-4dbf-84E7-6FBC03400E49}"	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 3816	1604	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe	85
PID 1604 wrote to memory of 3816	1604	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe	85
PID 1604 wrote to memory of 3816	1604	f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f05861ac21f1c73d85d1ce15de6acbf8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F05861~1.EXE >> NUL
  2⤵
  PID:3816

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

Query Registry

T1012

System Information Discovery

T1082

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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