2bc506dcb09756da1a74bbcc1f7a7d494bbdfbf17d034f5cb72de4d023c16eb7

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2025, 15:53

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General

Target
JaffaCakes118_5b6fb72940da98f7f45c66c8b804de47.dll
Size 195KB
Sample250115-tb2kpsynbp
SHA256 2bc506dcb09756da1a74bbcc1f7a7d494bbdfbf17d034f5cb72de4d023c16eb7
MD5 5b6fb72940da98f7f45c66c8b804de47
SHA1 ac899512ae111d948cf9903a15752be51b9bb764
SHA512 94e97768253203940f87d337fdd08592c0c2528677c64c89256b65a7ac2af6ad1e0f229fe84ff5be533aef1bf98f7d63d1d7f4a89f0005c2585cd2091525375b
SSDEEP 6144:ADSAtvP2b/bQg2UcqL6HT5+so7cVc/GX:gSAtEbQgBcqut+2sM
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware discovery stealer upx

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\{0F511E53-3526-4436-A639-7E4A3E93F072}	regsvr32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3232-1-0x0000000000C30000-0x0000000000CB4000-memory.dmp	upx

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 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_5b6fb72940da98f7f45c66c8b804de47.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0F511E53-3526-4436-A639-7E4A3E93F072}\ = "iconpch"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 3232	2716	regsvr32.exe	83
PID 2716 wrote to memory of 3232	2716	regsvr32.exe	83
PID 2716 wrote to memory of 3232	2716	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b6fb72940da98f7f45c66c8b804de47.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b6fb72940da98f7f45c66c8b804de47.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3232

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

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Downloads

memory/3232-0-0x0000000000C30000-0x0000000000CB4000-memory.dmp

Download

memory/3232-1-0x0000000000C30000-0x0000000000CB4000-memory.dmp