0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46

Analysis

max time kernel
150s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 18:24

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General

Target
0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe
Size 316KB
Sample260601-w2dyfaev9l
SHA256 0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46
MD5 391ecc96361fb354515f58104dcbc176
SHA1 97f74304725b9c5d95b2cf5715b9c6c9d2848a6a
SHA512 11c32634d53f74c48392eb4927261b2e8856609dc4f79a9c15cc28b3e03feed4057a9eececd2452432aaee4b97a5b1bf29de44df79344860b56ff1def7ef8c15
SSDEEP 6144:eQ8OyYvc36AVuc7DQd/5zlgBR4JDjyexbSVCrg5:ej16Qu15yBRCDOzCrW
TLSH
T190648D5AF3A904F9F977923CC8529507E7B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1540	apprt6c3b.exe
2224	apprt6c3b.exe
2304	svc6c3b.exe
4600	svc6c3b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1679180529-4058988202-686829476-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppRt6c3b = "C:\\Users\\Admin\\AppData\\Local\\AppRt6c3b\\apprt6c3b.exe"	0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1679180529-4058988202-686829476-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppSvc6c3b = "C:\\Users\\Admin\\AppData\\Local\\Programs\\6c3b\\svc6c3b.exe"	apprt6c3b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5292	0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe
5292	0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe
1540	apprt6c3b.exe
1540	apprt6c3b.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5292 wrote to memory of 1540	5292	0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe	90
PID 1540 wrote to memory of 2304	1540	apprt6c3b.exe	93

C:\Users\Admin\AppData\Local\Temp\0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe
"C:\Users\Admin\AppData\Local\Temp\0c63867c3a45aab9db0b66eb6670ca8d0b43453b890b01f8b28d65de21cf0a46.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5292
- C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
  "C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
    "C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe"
    3⤵
    - Executes dropped EXE
    PID:2304

C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
1⤵
- Executes dropped EXE
PID:2224

C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
1⤵
- Executes dropped EXE
PID:4600

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

apprt6c3b.exe

Path C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
Size 316KB
SHA256 ff910f0f67a3749dcf86aa3520d44cd57acae85adf7a6b692232968fe2c7d2b9
MD5 98c957454004d37b46b106f06e95914e
SHA1 e9314b650bf8451e2613a27c75a43c63c1ce61fe
SHA512 14461ce724d7eb5a4afd250589cd66488390ed70fdccc8748e9a7115908f49595c04384a7078e11545705fa9c6b8bc89a60e8e92130f534eefe1b411f6f732a7
SSDEEP 6144:EQ8OyYvc36AVuc7DQd/5zlgBR4JDiyepbSaZreN:Ej16Qu15yBRCDRgZrI
TLSH
T1FB648D5AF3A904F9F977923CC8529507E7B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

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svc6c3b.exe

Path C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
Size 316KB
SHA256 d3d85ed1859bd742196b3261e027791ec981f71e148daad6066d981689fe4222
MD5 f64eb7b781b3d8ba77444375022d3fca
SHA1 c28bc0d7085d48120fc37954ef7899eaca70b238
SHA512 d724ae767cf48f1075c1bf3917faedeb9647c177003c511cb2e52ad0f2bd3b0491baecadd3a7ceb15ac3df631b1cb1bda3353a16c33ac5c54fb865d84a21392b
SSDEEP 6144:lQ8OyYvc36AVuc7DQd/5zlgBR4JD0yeKbS4Pry0:lj16Qu15yBRCDHXPrF
TLSH
T109648D5AF3A904F9F977923CC8529507E7B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

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