Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19/10/2022, 15:26
Static task
static1
Behavioral task
behavioral1
Sample
f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe
Resource
win10v2004-20220901-en
General
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Target
f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe
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Size
1.4MB
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MD5
81c205b4734288a471e20355f5941377
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SHA1
db90837496053086236f521569933dce00169623
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SHA256
f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f
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SHA512
a2351d00d69553a56562c88d6b8ab08c06f11d6b9f96bda0135877a97b17b7f22c0e4bee1fbed354de71a74877b5c14dde7035e60ddc284a6dc92fd90774fd46
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SSDEEP
24576:bFHiAZF27Yj8sA4t0hwJQiCsic8lMY+0QZh9uwD0QZh9ugMCJSuOIKX:JiADkuV1Cs/8lhLLhKjKX
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1606
DC_MUTEX-QG6BUYQ
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gencode
6Sx7YVYbVity
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install
false
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offline_keylogger
true
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persistence
false
Signatures
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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Chrome = "C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe" f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe File opened for modification C:\Windows\assembly\Desktop.ini f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2444 set thread context of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe File opened for modification C:\Windows\assembly\Desktop.ini f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe File opened for modification C:\Windows\assembly f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5056 vbc.exe Token: SeSecurityPrivilege 5056 vbc.exe Token: SeTakeOwnershipPrivilege 5056 vbc.exe Token: SeLoadDriverPrivilege 5056 vbc.exe Token: SeSystemProfilePrivilege 5056 vbc.exe Token: SeSystemtimePrivilege 5056 vbc.exe Token: SeProfSingleProcessPrivilege 5056 vbc.exe Token: SeIncBasePriorityPrivilege 5056 vbc.exe Token: SeCreatePagefilePrivilege 5056 vbc.exe Token: SeBackupPrivilege 5056 vbc.exe Token: SeRestorePrivilege 5056 vbc.exe Token: SeShutdownPrivilege 5056 vbc.exe Token: SeDebugPrivilege 5056 vbc.exe Token: SeSystemEnvironmentPrivilege 5056 vbc.exe Token: SeChangeNotifyPrivilege 5056 vbc.exe Token: SeRemoteShutdownPrivilege 5056 vbc.exe Token: SeUndockPrivilege 5056 vbc.exe Token: SeManageVolumePrivilege 5056 vbc.exe Token: SeImpersonatePrivilege 5056 vbc.exe Token: SeCreateGlobalPrivilege 5056 vbc.exe Token: 33 5056 vbc.exe Token: 34 5056 vbc.exe Token: 35 5056 vbc.exe Token: 36 5056 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5056 vbc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83 PID 2444 wrote to memory of 5056 2444 f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe"C:\Users\Admin\AppData\Local\Temp\f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5056
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