f69718f2b17e69b40e825396a98a83a773bf159890874dca9ce758e66aa16b35

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 16:51

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General

Target

b864e0427528c9e435ed199dd8b6d155_JaffaCakes118.dll
Size

391KB
MD5

b864e0427528c9e435ed199dd8b6d155
SHA1

80e7e32768a9b03bddcc6ff71a7979b78cf118ea
SHA256

f69718f2b17e69b40e825396a98a83a773bf159890874dca9ce758e66aa16b35
SHA512

a85c354bcabc03eb5dc1e5f31f3b6908a358fb92e5530fa6fb557dbf15d707aba8cff430d60e131b8920f20437781cbb8a6a363a76c0fd9784ba1ee904a3288c
SSDEEP

12288:AP7PqGxigZxtxwBwcVrFZRBPEuyHaZ53:UqXgj3G9RBPk6ZZ

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
behavioral1/memory/2180-0-0x0000000001E30000-0x0000000001F13000-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\{89675691-85E0-4180-99F1-E8864E4C177E}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{89675691-85E0-4180-99F1-E8864E4C177E}\NoExplorer = "1"	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\{89675691-85E0-4180-99F1-E8864E4C177E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89675691-85E0-4180-99F1-E8864E4C177E}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89675691-85E0-4180-99F1-E8864E4C177E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89675691-85E0-4180-99F1-E8864E4C177E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b864e0427528c9e435ed199dd8b6d155_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89675691-85E0-4180-99F1-E8864E4C177E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30
PID 2120 wrote to memory of 2180	2120	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b864e0427528c9e435ed199dd8b6d155_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b864e0427528c9e435ed199dd8b6d155_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2180

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/2180-0-0x0000000001E30000-0x0000000001F13000-memory.dmp

Filesize
908KB

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