ca729979d4eda3875d3e9d0a4030f43ac2f1a95ae8610260ac252326f34fd5b3

Analysis

max time kernel
136s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 01:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe
Size

51KB
MD5

c201b1e3cd7bf8105e4b3f78c4c657fd
SHA1

f306259a6d84c17813d2005be00cbd7f7f9912aa
SHA256

ca729979d4eda3875d3e9d0a4030f43ac2f1a95ae8610260ac252326f34fd5b3
SHA512

c0143d6cc639380ce27af3ba6c0c9bd06ad07ed8a8ad03084826a2f27b5182571e5df25d09fff8836d7db7d36bcf737f562ac9d67a8ba4f02c6bfe744acf812c
SSDEEP

768:XGb6+DK4+xIZBJm1wKB+A6eSI0CO9pcD/5lA7WM2LN/0IGYQum1p2YL2Wh4iF8v0:R+OC2uJI0CYc/A7d+O/1p2u2Wh4eWiz

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	grkzoxqz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\a2SD9a6JGb = "C:\\ProgramData\\wbwvsngr\\grkzoxqz.exe"	grkzoxqz.exe

Executes dropped EXE 1 IoCs

pid	Process
1296	grkzoxqz.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	grkzoxqz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 1296	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	105
PID 4752 wrote to memory of 1296	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	105
PID 4752 wrote to memory of 1296	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	105
PID 4752 wrote to memory of 4496	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	106
PID 4752 wrote to memory of 4496	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	106
PID 4752 wrote to memory of 4496	4752	c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe	106

C:\Users\Admin\AppData\Local\Temp\c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c201b1e3cd7bf8105e4b3f78c4c657fd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4752
- C:\ProgramData\wbwvsngr\grkzoxqz.exe
  C:\ProgramData\wbwvsngr\grkzoxqz.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1296
- C:\Windows\SysWOW64\cmd.exe
  /c del /f C:\Users\Admin\AppData\Local\Temp\C201B1~1.EXE.bak >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1288,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=3884 /prefetch:8
1⤵
PID:4092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Loading Replay Monitor...

Downloads

C:\ProgramData\wbwvsngr\grkzoxqz.exe

Filesize
51KB

MD5
c201b1e3cd7bf8105e4b3f78c4c657fd

SHA1
f306259a6d84c17813d2005be00cbd7f7f9912aa

SHA256
ca729979d4eda3875d3e9d0a4030f43ac2f1a95ae8610260ac252326f34fd5b3

SHA512
c0143d6cc639380ce27af3ba6c0c9bd06ad07ed8a8ad03084826a2f27b5182571e5df25d09fff8836d7db7d36bcf737f562ac9d67a8ba4f02c6bfe744acf812c

Download Submit
memory/4752-4-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads