cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61

Analysis

max time kernel
149s
max time network
151s
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, 21:26

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General

Target
cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe
Size 316KB
Sample260601-1an2jsfw41
SHA256 cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61
MD5 89d6707d1c011b804aea87503b5f259c
SHA1 c21d05e62b152307aa1281b0592faa9eb1883e5f
SHA512 d6c5bf820374aa35ae95d2641b801dee3fc7c4b9dafa0bd871af0b2e9e09690c02f5ed509b5fbbb6021acd8bbc962bf09868a117057ab0a9544ea2053c224175
SSDEEP 6144:2+Q8OyYvc36AVuc7DQd/5zlgBR4JDIyeebSa7rw:Hj16Qu15yBRCD717rw
TLSH
T19D648D5AF3A814F9F977923CC8529507F6B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4884	apprt4c74.exe
2096	apprt4c74.exe
2256	svc4c74.exe
2060	svc4c74.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-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppRt4c74 = "C:\\Users\\Admin\\AppData\\Local\\AppRt4c74\\apprt4c74.exe"	cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppSvc4c74 = "C:\\Users\\Admin\\AppData\\Local\\Programs\\4c74\\svc4c74.exe"	apprt4c74.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3224	cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe
3224	cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe
4884	apprt4c74.exe
4884	apprt4c74.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 4884	3224	cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe	80
PID 4884 wrote to memory of 2256	4884	apprt4c74.exe	83

C:\Users\Admin\AppData\Local\Temp\cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe
"C:\Users\Admin\AppData\Local\Temp\cf4a5f54f2f7103deee2ff3cb2572b287a16f70970c6129ecf6ee68bfdbc7f61.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Local\AppRt4c74\apprt4c74.exe
  "C:\Users\Admin\AppData\Local\AppRt4c74\apprt4c74.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Users\Admin\AppData\Local\Programs\4c74\svc4c74.exe
    "C:\Users\Admin\AppData\Local\Programs\4c74\svc4c74.exe"
    3⤵
    - Executes dropped EXE
    PID:2256

C:\Users\Admin\AppData\Local\AppRt4c74\apprt4c74.exe
C:\Users\Admin\AppData\Local\AppRt4c74\apprt4c74.exe
1⤵
- Executes dropped EXE
PID:2096

C:\Users\Admin\AppData\Local\Programs\4c74\svc4c74.exe
C:\Users\Admin\AppData\Local\Programs\4c74\svc4c74.exe
1⤵
- Executes dropped EXE
PID:2060

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

Replay Monitor

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Downloads

apprt4c74.exe

Path C:\Users\Admin\AppData\Local\AppRt4c74\apprt4c74.exe
Size 317KB
SHA256 35dc6926ad18616877e2f874245da124e94f72911e0458bbbe586b9abfcad204
MD5 4512b840c9b39befb05add21cd336e78
SHA1 873b76b269dc80104c444e8824173426ba06151c
SHA512 989a647b6a2679e130cb06a54ddc887994655d78ddc2abf06250628d020157e8f4c05ad4d54ce05824a9ab2e37d0d99a6744cf3274cf5b25e90c6516fe6a98dc
SSDEEP 6144:ZQ8OyYvc36AVuc7DQd/5zlgBR4JDnyebbSH/rn:Zj16Qu15yBRCDyb/rn
TLSH
T141648D5AF3A814F9F977923CC8529507E7B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

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svc4c74.exe

Path C:\Users\Admin\AppData\Local\Programs\4c74\svc4c74.exe
Size 317KB
SHA256 3b2ee30d799b33aa1ebb74e8cee1821223b426359c0492c466c605b5d342b737
MD5 ec63527f450941447f53de78bd293b9f
SHA1 3c79ab3ba1449dcec84d2b6e68318c78c04a7148
SHA512 db646476a94f1bb407cf21132ad700b8d7438c7c111b2acba93756e7b252995fa4f3a6393516a02370b17bab3817c0ccc530420ab74b13cb53776e3aaac0f5fd
SSDEEP 6144:iQ8OyYvc36AVuc7DQd/5zlgBR4JDnyetbSb+rQ:ij16Qu15yBRCDy5+rQ
TLSH
T14A648D5AF3A804F9F977923CC9529607E772BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

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