Analysis
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max time kernel
151s -
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
02-08-2023 16:47
Static task
static1
Behavioral task
behavioral1
Sample
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.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 3056 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2772 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 3056 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 45 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3056 2772 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 90 PID 2772 wrote to memory of 3056 2772 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
762.0MB
MD5a0be71ce2f79af2abf3264629548047b
SHA1c86e81240941aeda21ff15fb9f9ff0f47085a8d4
SHA256706296b3b39cd4af0df9c72cf32a41c1392e22e1d879c3f2212e4f7588f8fb63
SHA5128e4c0a301ba0fd7a33f4d1a8b9401b35128bf13fdb22b9645b076c0450832523f19c478e9e1b8d6f7831456d65be989bfb3e1e46f4a548cca8705c65eb805ce6
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Filesize
762.0MB
MD5a0be71ce2f79af2abf3264629548047b
SHA1c86e81240941aeda21ff15fb9f9ff0f47085a8d4
SHA256706296b3b39cd4af0df9c72cf32a41c1392e22e1d879c3f2212e4f7588f8fb63
SHA5128e4c0a301ba0fd7a33f4d1a8b9401b35128bf13fdb22b9645b076c0450832523f19c478e9e1b8d6f7831456d65be989bfb3e1e46f4a548cca8705c65eb805ce6