3204451a74aa1c2876213af6801db87d2783a2722cc560eee0d495a3c15aa2a8

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 21:16

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General

Target

87b443283c731ba5fc1071c77240e62d_JaffaCakes118.dll
Size

229KB
MD5

87b443283c731ba5fc1071c77240e62d
SHA1

f81b0235707243e9fc7368c300468da87d8fff0e
SHA256

3204451a74aa1c2876213af6801db87d2783a2722cc560eee0d495a3c15aa2a8
SHA512

1b424e429e5e30dea643c9ad599bc9b1252f5dcce2ff0bcb6bebb9b862dd3f03f0519b567ca55211fc22e20fa8625d23f5bc3d255f031ae321a23d6feb71e216
SSDEEP

6144:MyIvCBK2FIaCO7zwKB7TavcxsMg953uevwl7/4j:MlqBKLkz9B78cZe3/w7/

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/3052-0-0x0000000000400000-0x000000000049B000-memory.dmp	upx

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\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}	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 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.JAVA class\ = "JAVA class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.JAVA class\Clsid\ = "{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\ProgID\ = "87b443283c731ba5fc1071c77240e62d_JaffaCakes118.JAVA class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\ = "JAVA class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.JAVA class	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.JAVA class\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EB666D4-B9E4-4AF5-9123-FF24BC67692E}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 3052	1560	regsvr32.exe	84
PID 1560 wrote to memory of 3052	1560	regsvr32.exe	84
PID 1560 wrote to memory of 3052	1560	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\87b443283c731ba5fc1071c77240e62d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3052

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/3052-0-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

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