Analysis
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max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 12:50
Static task
static1
Behavioral task
behavioral1
Sample
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
Resource
win10v2004-20220812-en
General
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Target
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
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Size
129KB
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MD5
aea8ab12edf294ddb2804d6618fdd247
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SHA1
96fb7d2e3ad9fe434a66abb15b26dd4e40aa5d4b
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SHA256
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0
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SHA512
bee50fb9f66126ef51593f80c364f82df301c5e96ed380a6cf90bb67a50d3bb42adf4a3c0214512455061e8952fd97500e82a2d3dbe27e111e597e2cc6ef783d
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SSDEEP
3072:E2RkHzd/EtzAAj1reAXyDTdWV1oqCgQfBUnPy8LWVBBhj:E2idEt8ABrKDTdWV1oqCgQfBUPy8LWVh
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
explorer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cb07beb.exe explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07be = "C:\\1cb07beb\\1cb07beb.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07be = "C:\\1cb07beb\\1cb07beb.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe" explorer.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 ip-addr.es 14 myexternalip.com -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exeexplorer.exepid process 3060 00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe 2128 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exeexplorer.exedescription pid process target process PID 3060 wrote to memory of 2128 3060 00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe explorer.exe PID 3060 wrote to memory of 2128 3060 00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe explorer.exe PID 3060 wrote to memory of 2128 3060 00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe explorer.exe PID 2128 wrote to memory of 2040 2128 explorer.exe svchost.exe PID 2128 wrote to memory of 2040 2128 explorer.exe svchost.exe PID 2128 wrote to memory of 2040 2128 explorer.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe"C:\Users\Admin\AppData\Local\Temp\00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\syswow64\explorer.exe"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exe-k netsvcs3⤵