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Analysis
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max time kernel
293s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
07/01/2024, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe
Resource
win10-20231220-en
General
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Target
a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe
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Size
737KB
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MD5
4be84d2271fde324d48f5364ff65e12f
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SHA1
124e6cb72a9340605227da0b4ea958e2e4f69de9
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SHA256
a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e
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SHA512
f35b53dc32c0d5399a3c35539934baf0acdac9fcd821c69223d1111fa17523e6455fc01ea2b82cfda50b1f6ca905ef4c67d113b5cb3aa66cd5ad0da6bef3f70b
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SSDEEP
12288:P4a3i3PM6FctLclDaaS8Myn/QRGURpqipm9rudVZfejbJhNpojv:gAipcmlDtS85IRGUyicrU3WjbJh36
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.cdqw
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offline_id
mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Signatures
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Detect Vidar Stealer 8 IoCs
resource yara_rule behavioral1/memory/1992-108-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/1992-109-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/1656-107-0x0000000000220000-0x000000000024A000-memory.dmp family_vidar_v6 behavioral1/memory/1992-103-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/1992-157-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/1992-258-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/1992-259-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/2780-278-0x0000000000270000-0x0000000000370000-memory.dmp family_vidar_v6 -
Detected Djvu ransomware 14 IoCs
resource yara_rule behavioral1/memory/2932-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2932-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2932-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2864-5-0x00000000008E0000-0x00000000009FB000-memory.dmp family_djvu behavioral1/memory/2932-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-70-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-69-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-77-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-76-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-74-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-78-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2156-121-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 12 IoCs
pid Process 1656 build2.exe 1992 build2.exe 2432 build3.exe 3060 build3.exe 2780 mstsca.exe 1592 mstsca.exe 240 mstsca.exe 1500 mstsca.exe 2128 mstsca.exe 2180 mstsca.exe 2504 mstsca.exe 2480 mstsca.exe -
Loads dropped DLL 8 IoCs
pid Process 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2524 WerFault.exe 2524 WerFault.exe 2524 WerFault.exe 2524 WerFault.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2452 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\914994ea-195e-4f86-a262-ddd1b07eae11\\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe\" --AutoStart" a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.2ip.ua 4 api.2ip.ua 16 api.2ip.ua -
Suspicious use of SetThreadContext 8 IoCs
description pid Process procid_target PID 2864 set thread context of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2520 set thread context of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 1656 set thread context of 1992 1656 build2.exe 37 PID 2432 set thread context of 3060 2432 build3.exe 40 PID 2780 set thread context of 1592 2780 mstsca.exe 47 PID 240 set thread context of 1500 240 mstsca.exe 51 PID 2128 set thread context of 2180 2128 mstsca.exe 53 PID 2504 set thread context of 2480 2504 mstsca.exe 55 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2524 1992 WerFault.exe 37 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2388 schtasks.exe 2756 schtasks.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 build2.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 build2.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 build2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2864 wrote to memory of 2932 2864 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 28 PID 2932 wrote to memory of 2452 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 30 PID 2932 wrote to memory of 2452 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 30 PID 2932 wrote to memory of 2452 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 30 PID 2932 wrote to memory of 2452 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 30 PID 2932 wrote to memory of 2520 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 31 PID 2932 wrote to memory of 2520 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 31 PID 2932 wrote to memory of 2520 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 31 PID 2932 wrote to memory of 2520 2932 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 31 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2520 wrote to memory of 2156 2520 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 32 PID 2156 wrote to memory of 1656 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 36 PID 2156 wrote to memory of 1656 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 36 PID 2156 wrote to memory of 1656 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 36 PID 2156 wrote to memory of 1656 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 36 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 1656 wrote to memory of 1992 1656 build2.exe 37 PID 2156 wrote to memory of 2432 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 39 PID 2156 wrote to memory of 2432 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 39 PID 2156 wrote to memory of 2432 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 39 PID 2156 wrote to memory of 2432 2156 a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe 39 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 2432 wrote to memory of 3060 2432 build3.exe 40 PID 3060 wrote to memory of 2388 3060 build3.exe 42 PID 3060 wrote to memory of 2388 3060 build3.exe 42 PID 3060 wrote to memory of 2388 3060 build3.exe 42 PID 3060 wrote to memory of 2388 3060 build3.exe 42 PID 1992 wrote to memory of 2524 1992 build2.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\914994ea-195e-4f86-a262-ddd1b07eae11" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2452
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-
C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe"C:\Users\Admin\AppData\Local\Temp\a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build2.exe"C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build2.exe"C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build2.exe"6⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 14127⤵
- Loads dropped DLL
- Program crash
PID:2524
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C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build3.exe"C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build3.exe"C:\Users\Admin\AppData\Local\7abb0646-c919-4e72-9418-d45d140ca3b5\build3.exe"6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"7⤵
- Creates scheduled task(s)
PID:2388
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C:\Windows\system32\taskeng.exetaskeng.exe {57603222-CE91-466A-A49B-5A72B6D78780} S-1-5-21-3470981204-343661084-3367201002-1000:GLTGRJAG\Admin:Interactive:[1]1⤵PID:2764
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2780 -
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- Executes dropped EXE
PID:1592 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"4⤵
- Creates scheduled task(s)
PID:2756
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:240 -
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- Executes dropped EXE
PID:1500
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2128 -
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- Executes dropped EXE
PID:2180
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2504 -
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- Executes dropped EXE
PID:2480
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5d32edbf2ab57545826f0da4fc15d3bd5
SHA1062993c001004317a908207f46a07c6db89ea5b3
SHA256dc2dd2d90bb2ae77bc76c9f040afb7d0bc94ccaf665dbb77dd38492aa49026ff
SHA512f64a6a72ff9d73443125e8ed2105974e8839392503fe3ec88eec061d004d8e657e55b40c32f9dea12f4a0297487a8e72823ea3b847c8e3c44428dee19c2758a0
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Filesize
92KB
MD55486dcef9f46fd244d5815c348778325
SHA1229e9fab51dacb873d2f2d9032b5e5d4943d2b2e
SHA256b83ff1a292a3adfed1d4946fd764daba4f9e57644c97b9b8ecbb416b9a889f68
SHA512b98541add19236c5f2a4673f8dcb8a37f5ea989768df89467efb051e15cbfdb86290a1f6639058e59f6919f2e660ae7a121b7a77a14ef87b78456dc2ceae1c3c
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Filesize
247KB
MD51f7efac73d987dae200e36922267d8c6
SHA1a1bb90007d2e00025953c13ca742d767ebcce27e
SHA2565719504e2f4e976c8ce6fbfda399b80273e783ff05f61dfd1f1bd4737f0bde8a
SHA51275ef83a7e079e553a98e60dd73a9eebbaa793ced7bbd8a712a8f7f363349456d12b3766481d03d00f376cf31c4697afd934eb9b29a2e70727a70a9f463d03bed
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Filesize
299KB
MD541b883a061c95e9b9cb17d4ca50de770
SHA11daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA256fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
SHA512cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319