72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6

Analysis

max time kernel
149s
max time network
158s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/06/2026, 01:24

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General

Target
72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe
Size 317KB
Sample260602-bsdwvsav9t
SHA256 72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6
MD5 d545a47b2ed34862115001d8962ebfc2
SHA1 e1f7738f2df8c0978b57493cea399fd4a93829cf
SHA512 5ec608374c39e728dcd79c070b9dd1d0e9348773af81775223b44ea91cd9ca1c39f8d3709149932f3bac6387be1440e5556a1a1899a617aa684f32e852abf3a7
SSDEEP 6144:0Q8OyYvc36AVuc7DQd/5zlgBR4JDFyeAVbSSUrI:0j16Qu15yBRCDslUrI
TLSH
T1C2648D5AF3A814F9F977923CC8529507E772BC160760D78F27A0466A3F236A09D3E721
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3648	apprt6c3b.exe
1776	apprt6c3b.exe
1820	svc6c3b.exe
1536	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"	72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.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
2340	72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe
2340	72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe
3648	apprt6c3b.exe
3648	apprt6c3b.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 3648	2340	72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe	81
PID 3648 wrote to memory of 1820	3648	apprt6c3b.exe	84

C:\Users\Admin\AppData\Local\Temp\72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe
"C:\Users\Admin\AppData\Local\Temp\72cbc5aa35fbc04c8491fe1c468b3f0de7f9bacdfbacf0927864ff8f94f1a5a6.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2340
- 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:3648
- - C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
    "C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe"
    3⤵
    - Executes dropped EXE
    PID:1820

C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
C:\Users\Admin\AppData\Local\AppRt6c3b\apprt6c3b.exe
1⤵
- Executes dropped EXE
PID:1776

C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
1⤵
- Executes dropped EXE
PID:1536

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 317KB
SHA256 4ff5fea47b3287f3491cf2e37bcc8bce302f5a185102dc59638d653d8ba136f1
MD5 35fa21075a6b8a97f33a033c19f55219
SHA1 48bd7a250c56cc56d4d1600da945414129afe1d3
SHA512 b5b15198339fe9b4554baa08409161bf2eec129e3c6cda6f6033c354f486b304f5f7328c64a2bba9036b35868e3f8fd665eadcbc6f4f132c665051a6bd507bdb
SSDEEP 6144:/Q8OyYvc36AVuc7DQd/5zlgBR4JD7ye+bS/5rM:/j16Qu15yBRCDGM5rM
TLSH
T1D3648D5AF3A814F9F977923CC8529507E772BC160760D78F27A0466A3F236A09D3E721
MD5 SHA1 SHA512 SSDEEP TLSH

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svc6c3b.exe

Path C:\Users\Admin\AppData\Local\Programs\6c3b\svc6c3b.exe
Size 317KB
SHA256 18779bf53e6cf423a2b8d4aa52802a7e6309f83fe0703608c90f5bb551dfb91f
MD5 8a31be48fec6034ac46451c031a3eeec
SHA1 005605e332cd7d74df0d90fee06ab3cc5a00c912
SHA512 890c7e860601a1ddac95befdb5e847f629fc2be7a95bb85145e062856755d39733ed157b1442cc1a310294aaa8f26401f20b4399810651f237dca312668f7457
SSDEEP 6144:7Q8OyYvc36AVuc7DQd/5zlgBR4JD3yevbS5er2:7j16Qu15yBRCDCJer2
TLSH
T179648D5AF3A814F9F977923CC8529507E7B2BC160760D78F27A0466A3F236A09D3E711
MD5 SHA1 SHA512 SSDEEP TLSH

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