Analysis
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max time kernel
123s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
02-08-2023 17:35
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230703-en
General
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Target
file.exe
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Size
8.9MB
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MD5
887c0911835ace94104d8c570632409a
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SHA1
3192b8b83d62a44b22dbdd9f627fde49d16e5350
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SHA256
6c54458a3df80f3801df48d60cbafaa64b643f155bdd608140ef508134d52d68
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SHA512
f24b3e601874d7f5816f6c5d94598a4e94df6195ad52c32fc716e2c0a7ea518cd6f936722e2eb4654b70d2666365cbd4435bd095633a47d802b6cd1fb41b3bc7
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SSDEEP
196608:4Z1+0PfiEOE6NJ8Jkt9KCS1r8ek//fCc3NbFmQLG:4Z1PSEz6GkLS1r8ek/CH4G
Malware Config
Signatures
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ipinfo.io 5 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy file.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini file.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol file.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI file.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 932 set thread context of 620 932 file.exe 28 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 620 file.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28 PID 932 wrote to memory of 620 932 file.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD59ded9afb706530a878758c90b950e288
SHA1d9edfdcd01af7b31d5ed36c8f87500ef99af7a01
SHA25695693c5e0bd4cc42ca2fe9a9b85082ba060704f7e24f756123988c5b74b3e5e0
SHA51271ce54ce9ae3e46c1db7eb51548ce4de6a196728224311f46e9bddaf4c5a1120b2814303bfa9df72a5f19a73f1b5cecbf1bd3a2c4c327dd4ae11491b170d53e3