Analysis
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max time kernel
192s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
04-12-2022 13:45
Static task
static1
Behavioral task
behavioral1
Sample
e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe
Resource
win10v2004-20220812-en
General
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Target
e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe
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Size
1.5MB
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MD5
1efba2213430fdbc3fbf4003d22c8ae7
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SHA1
f576752fbdef68ba2eb19fad2b96fc5bf5febe04
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SHA256
e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5
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SHA512
51555f3b838e47796a3098c8a42b4981ff6968154f07fab7b02860d3564de1546bfeb450217217aec3ec1a2d1a0f08e5cd366e80a12f766979abacc62bd88ea4
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SSDEEP
49152:16IL+PrIXWFG0f4uLccgfwTmVj7RinVPaOhEX+:16eUF80QuLccQgFhE
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BTStacLrj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe" e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
pid Process 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TypedURLs e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe 1188 e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe"C:\Users\Admin\AppData\Local\Temp\e1bfbf2570a9f819b179e465cf8c8053f9e62d290571a3c6f768477e1044b0f5.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1188