Analysis
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max time kernel
100s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 16:40
Static task
static1
Behavioral task
behavioral1
Sample
c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe
Resource
win10v2004-20220901-en
General
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Target
c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe
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Size
151KB
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MD5
496726b6b34090d401d24d96a56f25d0
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SHA1
20f74a405ed27f8d2d777c94a1d70103fb974bed
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SHA256
c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d
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SHA512
ddd494bd4bcc3d50ad3a3ebdde90e8e4d2cdd098e741a15536f964e940ce379c0bdcb70341df719dbecf982600538f3c2fbf1f13b502acbc80dd545a9bbfc1b2
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SSDEEP
3072:XewfWqA7kvN5phKDh4HLJsE4qfmzB9BEvPtbEAr7jZjgNwJV:OKk7k15vBHLWE4KmzBjEvPuAr71j/
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\I: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\X: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\S: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\O: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\L: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\F: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\Y: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\V: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\N: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\K: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\J: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\H: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\G: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\Z: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\Q: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\T: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\R: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\P: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\E: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\W: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened (read-only) \??\U: c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3796 4752 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4752 c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe 4752 c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe"C:\Users\Admin\AppData\Local\Temp\c8ee8308c4a729df79ffffa4bf5fb82bcac9db1699f69ebaabf33aa058b8469d.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4752 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 7402⤵
- Program crash
PID:3796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4752 -ip 47521⤵PID:3472