5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8

Analysis

max time kernel
145s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:03

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General

Target
jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
Size 38KB
Sample260925-wnanvsshjh
SHA256 5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8
MD5 8b04685f87aeb2e830bd2b436738ab17
SHA1 8d62f141c4679b9b9412274a9b226e22036c8309
SHA512 173716d39b8878242b40a7840122bed761d50e62e28bba4427cfd9518b38fe9e7e844234e7eec5d171a148549f43d3fb8e8eff33a40e042e4e34f741fc2dc69d
SSDEEP 768:5Q7IoxSpPNB1G85HDfmu3AGlg6GzpnR/ZWP+9y41Dp4ZWGisiZ:5H7vGEjf3z+6Gz9R/ZWPK9HsC
TLSH
T16A035BD76A5943B2C2D9463034665F3F4EFE58346961A497CFB383E92DAE0C2E434217
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4092	Kvsc3.exE

Loads dropped DLL 2 IoCs

pid	Process
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4092	Kvsc3.exE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kvsc3 = "C:\\Windows\\Kvsc3.exE"	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Kvsc3.dll	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
File created	C:\Windows\SysWOW64\Kvsc3.dll	Kvsc3.exE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Kvsc3.exE	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe

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	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kvsc3.exE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4092	Kvsc3.exE
4092	Kvsc3.exE
4092	Kvsc3.exE
4092	Kvsc3.exE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
4092	Kvsc3.exE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 828	4392	jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe	81
PID 4092 wrote to memory of 828	4092	Kvsc3.exE	81

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:828
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4392

C:\Windows\Kvsc3.exE
C:\Windows\Kvsc3.exE
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

Kvsc3.exE

Path C:\Windows\Kvsc3.exE
Size 38KB
SHA256 5978986b4736c62cece00380787a5162aac25f0d4b63437d4c8fdd5da9cf9df8
MD5 8b04685f87aeb2e830bd2b436738ab17
SHA1 8d62f141c4679b9b9412274a9b226e22036c8309
SHA512 173716d39b8878242b40a7840122bed761d50e62e28bba4427cfd9518b38fe9e7e844234e7eec5d171a148549f43d3fb8e8eff33a40e042e4e34f741fc2dc69d
SSDEEP 768:5Q7IoxSpPNB1G85HDfmu3AGlg6GzpnR/ZWP+9y41Dp4ZWGisiZ:5H7vGEjf3z+6Gz9R/ZWPK9HsC
TLSH
T16A035BD76A5943B2C2D9463034665F3F4EFE58346961A497CFB383E92DAE0C2E434217
MD5 SHA1 SHA512 SSDEEP TLSH

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Kvsc3.dll

Path C:\Windows\SysWOW64\Kvsc3.dll
Size 30KB
SHA256 3b49d0cd4f77b35fb24820ed46ef213338ceb52c99b367ee6b631440ee9756e6
MD5 a48231fe3fc1ba00f1583d3b33a03fe5
SHA1 55b55a948e44ba59df0654d9d63d59c2258dd47b
SHA512 f267dc07c44bbc4e6818e6d2c2131192dfa4c46d5862e0a0f0be1df497ecefcec708a9a850aa51d51772bed9dc2ae57d4046cf63a06ab5ee8b7eaa0ce6583687
SSDEEP 768:rB1G85HDfmu3AGlg6GzpnR/ZWP+9y41Dp4ZWGisiZ:rvGEjf3z+6Gz9R/ZWPK9HsC
TLSH
T129D25BE6AA5943B2D2D94630709A6F2B1EFE5D347CA16083CF7343F52DAE0C6D834216
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/828-1-0x00000000032F0000-0x00000000032F1000-memory.dmp

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memory/4092-14-0x0000000010000000-0x000000001000E000-memory.dmp

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