Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
01-08-2023 22:06
Static task
static1
Behavioral task
behavioral1
Sample
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe
Resource
win10v2004-20230703-en
General
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Target
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe
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Size
4.0MB
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MD5
3258deefff3ca70f3dfa3e67067ca611
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SHA1
a28ec103c22b03f381dd72073cf620b11881b7b7
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SHA256
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c
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SHA512
541eec13adbb3afcc6ee0cfea2d1ddd71036a0da9be5fe6919a2becca5dc23089754d2e5bfd15886cd8e3981f982e40d28bb467132cfdf04844d930ca612b3b8
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SSDEEP
98304:kIk6g0kDf8CFjiD+THrrTfmqWAfheTYC521KuM96+/xnVA:3K0skC1k+THrrTf/c5ekwgVA
Malware Config
Extracted
laplas
http://206.189.229.43
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4300 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2600 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 4300 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 34 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2600 wrote to memory of 4300 2600 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 86 PID 2600 wrote to memory of 4300 2600 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe"C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4300
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
825.0MB
MD5b89d2072a0df7ca77c42b1b17bffb6fb
SHA1a6aadef7a88357e2923f352980781ec9e3e563df
SHA25653e1ec6404a33d46a289b712c61832df91ca045c4316ba79bba82adba4629fc6
SHA51244a621842a2ce33a8606d95c4cef6893746e3b559af5bba4fdd122bfca55a0144fca281f9cec5e736939f8ac37965684f2487fef1d8df43274b7c5db19cdbf22
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Filesize
825.0MB
MD5b89d2072a0df7ca77c42b1b17bffb6fb
SHA1a6aadef7a88357e2923f352980781ec9e3e563df
SHA25653e1ec6404a33d46a289b712c61832df91ca045c4316ba79bba82adba4629fc6
SHA51244a621842a2ce33a8606d95c4cef6893746e3b559af5bba4fdd122bfca55a0144fca281f9cec5e736939f8ac37965684f2487fef1d8df43274b7c5db19cdbf22