Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
25-06-2023 21:36
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe
Resource
win10v2004-20230621-en
General
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Target
HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe
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Size
171KB
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MD5
7a6a6b35d4bc575897a1420134afc96a
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SHA1
9c5e87ce87b70a52f57097172c2babde2021454b
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SHA256
d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
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SHA512
b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
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SSDEEP
3072:k/0CVy40hsbOeOyupBfOP8S6Uj9Av0fEdiFxFXwElgdEA/fLpujDqTrk3mjcqfZ:kswhwyJLjzfiib53W/fLpsDq/k7qf
Malware Config
Extracted
netwire
sosclient.duckdns.org:9002
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activex_autorun
true
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activex_key
{OTGC73Q0-N4WA-4861-311L-BE075477ANH7}
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copy_executable
false
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delete_original
false
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host_id
08-%Rand%
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lock_executable
true
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mutex
stostmDW
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offline_keylogger
false
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password
10203010Aa
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registry_autorun
true
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startup_name
Windows defender
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use_mutex
true
Signatures
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NetWire RAT payload 4 IoCs
resource yara_rule behavioral1/memory/1636-69-0x0000000000400000-0x0000000000420000-memory.dmp netwire behavioral1/memory/1636-71-0x0000000000400000-0x0000000000420000-memory.dmp netwire behavioral1/memory/1636-75-0x0000000000400000-0x0000000000420000-memory.dmp netwire behavioral1/memory/1636-76-0x0000000000400000-0x0000000000420000-memory.dmp netwire -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OTGC73Q0-N4WA-4861-311L-BE075477ANH7} AppLaunch.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OTGC73Q0-N4WA-4861-311L-BE075477ANH7}\StubPath = "\"C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\AppLaunch.exe\"" AppLaunch.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.kst1onho.lnk HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe -
Executes dropped EXE 2 IoCs
pid Process 1328 rundlll32.exe 1456 rundlll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ AppLaunch.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows defender = "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\AppLaunch.exe" AppLaunch.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1328 set thread context of 1636 1328 rundlll32.exe 30 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe AppLaunch.exe File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\Settings.ini AppLaunch.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\Settings.ini AppLaunch.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe Token: SeDebugPrivilege 1328 rundlll32.exe Token: SeDebugPrivilege 1456 rundlll32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1624 wrote to memory of 1328 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe 28 PID 1624 wrote to memory of 1328 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe 28 PID 1624 wrote to memory of 1328 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe 28 PID 1624 wrote to memory of 1328 1624 HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe 28 PID 1328 wrote to memory of 1456 1328 rundlll32.exe 29 PID 1328 wrote to memory of 1456 1328 rundlll32.exe 29 PID 1328 wrote to memory of 1456 1328 rundlll32.exe 29 PID 1328 wrote to memory of 1456 1328 rundlll32.exe 29 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30 PID 1328 wrote to memory of 1636 1328 rundlll32.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.Generic-d15f99dbd30bae6e896c.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1456
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
PID:1636
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
171KB
MD57a6a6b35d4bc575897a1420134afc96a
SHA19c5e87ce87b70a52f57097172c2babde2021454b
SHA256d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
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Filesize
171KB
MD57a6a6b35d4bc575897a1420134afc96a
SHA19c5e87ce87b70a52f57097172c2babde2021454b
SHA256d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
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Filesize
171KB
MD57a6a6b35d4bc575897a1420134afc96a
SHA19c5e87ce87b70a52f57097172c2babde2021454b
SHA256d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
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Filesize
171KB
MD57a6a6b35d4bc575897a1420134afc96a
SHA19c5e87ce87b70a52f57097172c2babde2021454b
SHA256d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
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Filesize
171KB
MD57a6a6b35d4bc575897a1420134afc96a
SHA19c5e87ce87b70a52f57097172c2babde2021454b
SHA256d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e