Analysis
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max time kernel
290s -
max time network
294s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
02-11-2022 22:19
Static task
static1
Behavioral task
behavioral1
Sample
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe
Resource
win10-20220901-en
General
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Target
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe
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Size
4.8MB
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MD5
cd4ac234ee1c9fca552d11ff31b9c5cc
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SHA1
e3448c185bdf0e0a0859f2b28d1b5f28c38a0064
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SHA256
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
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SHA512
d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f
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SSDEEP
49152:tAM3CiGxBRJHy51FmJgBaShRgd5MYh43VvATtg0IEqYjla27VdS5g+A:aMLGxBk1FmJgX2l4lv3EdZv+A
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svcupdater.exepid process 4172 svcupdater.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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GoLang User-Agent 5 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes:
description flow ioc HTTP User-Agent header 4 Go-http-client/1.1 HTTP User-Agent header 8 Go-http-client/1.1 HTTP User-Agent header 9 Go-http-client/1.1 HTTP User-Agent header 11 Go-http-client/1.1 HTTP User-Agent header 12 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.execmd.exedescription pid process target process PID 3064 wrote to memory of 4136 3064 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe cmd.exe PID 3064 wrote to memory of 4136 3064 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe cmd.exe PID 4136 wrote to memory of 4924 4136 cmd.exe schtasks.exe PID 4136 wrote to memory of 4924 4136 cmd.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe"C:\Users\Admin\AppData\Local\Temp\fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd.exe "/C schtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exeC:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exeFilesize
4.8MB
MD5cd4ac234ee1c9fca552d11ff31b9c5cc
SHA1e3448c185bdf0e0a0859f2b28d1b5f28c38a0064
SHA256fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
SHA512d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f
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C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exeFilesize
4.8MB
MD5cd4ac234ee1c9fca552d11ff31b9c5cc
SHA1e3448c185bdf0e0a0859f2b28d1b5f28c38a0064
SHA256fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
SHA512d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f
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memory/4136-120-0x0000000000000000-mapping.dmp
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memory/4924-121-0x0000000000000000-mapping.dmp