55b1ebd4ba4303a9f65ed247bf254c06438c7bbbbe4b123ba0fedc3552ff640e

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 09:56

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General

Target

b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe
Size

272KB
MD5

b302f22aea1c4401e31e5b3cda2334a7
SHA1

46612a17073ffaa21282c6fd3a15cc333acdbd07
SHA256

55b1ebd4ba4303a9f65ed247bf254c06438c7bbbbe4b123ba0fedc3552ff640e
SHA512

89681fd3437f21f526e6520c64a8573ffe6d94bbaa5f60253fb91a944d4a7dee45c2e0c7c783b6672f9995b31218493860b78cbe4f9a43b828e0f22dfd63cb7f
SSDEEP

3072:dFk1LveZn9cyuNX7fltaRlIznItjbCXqeZLFoqswq65i+/IWTBfvkF5OT:3kdyPuNX7flMRizIEtL66YyIWTB3kWT

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1092	nvsvc32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\0mg84alcb75335m3mh9.cc	nvsvc32.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nvsvc32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1092	2012	b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe	84
PID 2012 wrote to memory of 1092	2012	b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe	84
PID 2012 wrote to memory of 1092	2012	b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b302f22aea1c4401e31e5b3cda2334a7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Documents and Settings\All Users\Start Menu\Programs\Startup\nvsvc32.exe
  "C:\Documents and Settings\All Users\Start Menu\Programs\Startup\nvsvc32.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\nvsvc32.exe

Filesize
272KB

MD5
b302f22aea1c4401e31e5b3cda2334a7

SHA1
46612a17073ffaa21282c6fd3a15cc333acdbd07

SHA256
55b1ebd4ba4303a9f65ed247bf254c06438c7bbbbe4b123ba0fedc3552ff640e

SHA512
89681fd3437f21f526e6520c64a8573ffe6d94bbaa5f60253fb91a944d4a7dee45c2e0c7c783b6672f9995b31218493860b78cbe4f9a43b828e0f22dfd63cb7f

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