547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a

Analysis

max time kernel
150s
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, 18:39

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General

Target
jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
Size 31KB
Sample260925-xavbsatfpd
SHA256 547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a
MD5 ed67a78a1d938d948b1ce3ae213c8bd7
SHA1 5786eaf6791198f79d7015e6dae18c8293ed0422
SHA512 a6d0c76e154e2d2f53f9b55aedfc3f837688f33e29fe43cf1d4a38338efb86a2fbe7162ab5ef51b5d25c0a55bdc0df5f79fd11e4a82786165ed4c35e75eeafea
SSDEEP 768:4d0bcv+glPNHUqepBN5Xl6w9pCgPXOVnd:4n3NHsogGVnd
TLSH
T192E24B07265980F2C2ED0674356B1F3B8F7E94742A6475E7CB73CA946CF42A7A439207
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1784	Kvsc3.exe

Loads dropped DLL 2 IoCs

pid	Process
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
1784	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_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Kvsc3.dll	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.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_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.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_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kvsc3.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
1784	Kvsc3.exe
1784	Kvsc3.exe
1784	Kvsc3.exe
1784	Kvsc3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
Token: SeDebugPrivilege	1784	Kvsc3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
1784	Kvsc3.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 620	2352	jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe	82
PID 1784 wrote to memory of 620	1784	Kvsc3.exe	82

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:620
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a.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 AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2352

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 AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784

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 31KB
SHA256 547acd71c8fb494ad1be223a2e02b3c790659dfadfae219baee885476c553e2a
MD5 ed67a78a1d938d948b1ce3ae213c8bd7
SHA1 5786eaf6791198f79d7015e6dae18c8293ed0422
SHA512 a6d0c76e154e2d2f53f9b55aedfc3f837688f33e29fe43cf1d4a38338efb86a2fbe7162ab5ef51b5d25c0a55bdc0df5f79fd11e4a82786165ed4c35e75eeafea
SSDEEP 768:4d0bcv+glPNHUqepBN5Xl6w9pCgPXOVnd:4n3NHsogGVnd
TLSH
T192E24B07265980F2C2ED0674356B1F3B8F7E94742A6475E7CB73CA946CF42A7A439207
MD5 SHA1 SHA512 SSDEEP TLSH

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Kvsc3.dll

Path C:\Windows\SysWOW64\Kvsc3.dll
Size 22KB
SHA256 526120fa28e0a7bb2dd61addd6f42a1a8ee2435dd2bf621067021eb9a66738d7
MD5 47a6c24dcd8884747b0ad6bdf787463c
SHA1 06eac0a79f7f57752b66e105896d575a61acd752
SHA512 60321bbd879ad9e17ea71795a670fb9bfb370bdcaaa09661e794bedab98ca5d2c8ef1657fefa8ddd0e796a23795b6d2758312af65698f0fbd4c0fafa978ed991
SSDEEP 384:SlL7lKbUHUqe9AmBKE5Xlt8wL5ff5+HNO72OPXNNeVnP4TK:SlPNHUqepBN5Xl6w9pCgPXOVn
TLSH
T16CA24B16524A80F7D2F91338706B1F274E7E94B82DA47693DB734AA06CB42B7F43520B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/620-1-0x00000000010B0000-0x00000000010B1000-memory.dmp

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memory/1784-14-0x0000000010000000-0x000000001000A000-memory.dmp

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