Analysis
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max time kernel
138s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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
-
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 2124 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2228 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\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 2228 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 2124 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2124 2228 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 28 PID 2228 wrote to memory of 2124 2228 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 28 PID 2228 wrote to memory of 2124 2228 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4cexe_JC.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2124
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
714.0MB
MD5bbab1237f890f837c324bb690f767ed3
SHA16b7074e0e58678b269b957c54ef16ac66f826e3b
SHA256f42488cecbf98d5a1e634e93c8c59cb161ac908cfb966118c947091a0dc03593
SHA51270a90c0a4d4709ca7dac1ffd4d73a3836f598bdaeb0450510507a901d5079c3dac737f5b01113180072b9ed153e0faed5050d16fea279d20f4dad3d65246cfdf
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Filesize
714.0MB
MD5bbab1237f890f837c324bb690f767ed3
SHA16b7074e0e58678b269b957c54ef16ac66f826e3b
SHA256f42488cecbf98d5a1e634e93c8c59cb161ac908cfb966118c947091a0dc03593
SHA51270a90c0a4d4709ca7dac1ffd4d73a3836f598bdaeb0450510507a901d5079c3dac737f5b01113180072b9ed153e0faed5050d16fea279d20f4dad3d65246cfdf