Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2024 17:05
Static task
static1
Behavioral task
behavioral1
Sample
00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe
Resource
win10v2004-20240226-en
General
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Target
00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe
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Size
354KB
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MD5
c5751319ba50158c8d86bdc778b82e58
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SHA1
944999322cd74164446a9d4ba0dd62cbbb4fe53c
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SHA256
00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130
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SHA512
bff0e83e01a561001e293ed8d9deaaa97468dd7d53ee4a9d04a1f018dbb233a6ed02495aab321725a6e17f1e7dcd43c079e0dd268d93ca56b765c7f98f2d467b
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SSDEEP
3072:0wi51kpjgUdkY8NvaKUGVy1ltYWVnXKiivnFOq43yUQBB3cuAUXLinIcsHtPbXl/:wopjgUqY84yLWVkt3HhObgzvDROyE4Z
Malware Config
Signatures
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Detects executables packed with ConfuserEx Custom; outside of GIT 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023203-7.dat INDICATOR_EXE_Packed_ConfuserEx_Custom -
Detects executables packed with ConfuserEx Mod 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023203-7.dat INDICATOR_EXE_Packed_ConfuserEx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Executes dropped EXE 1 IoCs
pid Process 2980 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "\\Default Folder\\Server.exe" 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "C:\\Users\\Admin\\AppData\\Local\\Default Folder\\Server.exe" 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe File opened for modification C:\Windows\assembly\Desktop.ini 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe File created C:\Windows\assembly\Desktop.ini 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe File opened for modification C:\Windows\assembly\Desktop.ini 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 4512 PING.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2980 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe Token: SeDebugPrivilege 2980 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2980 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4656 wrote to memory of 2980 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 86 PID 4656 wrote to memory of 2980 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 86 PID 4656 wrote to memory of 2980 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 86 PID 4656 wrote to memory of 3268 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 87 PID 4656 wrote to memory of 3268 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 87 PID 4656 wrote to memory of 3268 4656 00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe 87 PID 3268 wrote to memory of 4512 3268 cmd.exe 90 PID 3268 wrote to memory of 4512 3268 cmd.exe 90 PID 3268 wrote to memory of 4512 3268 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe"C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe"C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2980
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:4512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130\00039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130.exe
Filesize354KB
MD5c5751319ba50158c8d86bdc778b82e58
SHA1944999322cd74164446a9d4ba0dd62cbbb4fe53c
SHA25600039be931e4e18d0b62df135a5bfc5457365c6797f1153076baa6366e347130
SHA512bff0e83e01a561001e293ed8d9deaaa97468dd7d53ee4a9d04a1f018dbb233a6ed02495aab321725a6e17f1e7dcd43c079e0dd268d93ca56b765c7f98f2d467b
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Filesize
54B
MD53710c450e30ec792eb8a69d8da09062e
SHA153f4af77836e8033a60d7657f137d44ee9460293
SHA256d8776916ff8f614bd00642361ee241308d80c5d88d612fe518277a939308a8dc
SHA512964efdeacb2560a6220a65c582f22d09e2ffd6ee912d5a75743392baae6d45e0f87fe9882e4dd8a43ad3dba589db83f4b7bf4d89db00ec4674539b414c95db76