fdcc63325ea34d1db270c587268aa800fd8aafe6bc178fc348ce007b238df9d2

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 02:12

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General

Target

dba2be8d676a33fc05af696045910e34_JaffaCakes118.dll
Size

144KB
MD5

dba2be8d676a33fc05af696045910e34
SHA1

f8926d330b6e5d4f04481f1bde06bb9a3d0d1400
SHA256

fdcc63325ea34d1db270c587268aa800fd8aafe6bc178fc348ce007b238df9d2
SHA512

0183678838d84e4721dd204a7d290da239da3e72b79997897346cfdcb33df4931fabf71d25e2702c0c6bdc3258c18f5999cdaf281788ef6f5505b2da99a48c6a
SSDEEP

3072:0fNp3arJ8eXqvj/3N5j7ph+dPTcwW/z7cjpDnYr:0fNpOJ8qqvjF5vJcjmr

Score

7^/10

adware discovery 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/3236-0-0x00000000756A0000-0x000000007570A000-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\{884EAA16-CA35-4666-845A-DC084DCDF356}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{884EAA16-CA35-4666-845A-DC084DCDF356}\	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{884EAA16-CA35-4666-845A-DC084DCDF356}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{884EAA16-CA35-4666-845A-DC084DCDF356}\ = "Search¿ÀÇÂÅÇ"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{884EAA16-CA35-4666-845A-DC084DCDF356}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{884EAA16-CA35-4666-845A-DC084DCDF356}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dba2be8d676a33fc05af696045910e34_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{884EAA16-CA35-4666-845A-DC084DCDF356}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 3236	1964	regsvr32.exe	82
PID 1964 wrote to memory of 3236	1964	regsvr32.exe	82
PID 1964 wrote to memory of 3236	1964	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dba2be8d676a33fc05af696045910e34_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dba2be8d676a33fc05af696045910e34_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3236

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3236-0-0x00000000756A0000-0x000000007570A000-memory.dmp

Filesize
424KB

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