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Analysis
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max time kernel
40s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 12:24
Static task
static1
Behavioral task
behavioral1
Sample
f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll
Resource
win10v2004-20220812-en
General
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Target
f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll
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Size
260KB
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MD5
96c79ea51c2beae60aa1e4881f3bd824
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SHA1
47db43984d893fbcf363ce6a66ea94986925777e
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SHA256
f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6
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SHA512
2aab23a13fc6bc791610e71c6f28ed262fe56de749d77e2d10f1d2bfededb061a4ed7b47cd7cae08053e43e30a6ceaae7e253d2a6c5b4330e28fcc03b654c3d1
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SSDEEP
3072:sZmu9K33WSwdJ/tILtAPrL+oxdv9jD4Nn0LhlchQAItUkkH0jpgj7xIhVH/g:s8b33QqUrSqc0LDchQptQieVI//g
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1940 rundll32mgr.exe -
Loads dropped DLL 9 IoCs
pid Process 1684 rundll32.exe 1684 rundll32.exe 1972 WerFault.exe 1972 WerFault.exe 1972 WerFault.exe 1972 WerFault.exe 1972 WerFault.exe 1972 WerFault.exe 1972 WerFault.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1972 1940 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1988 wrote to memory of 1684 1988 rundll32.exe 27 PID 1684 wrote to memory of 1940 1684 rundll32.exe 28 PID 1684 wrote to memory of 1940 1684 rundll32.exe 28 PID 1684 wrote to memory of 1940 1684 rundll32.exe 28 PID 1684 wrote to memory of 1940 1684 rundll32.exe 28 PID 1940 wrote to memory of 1972 1940 rundll32mgr.exe 29 PID 1940 wrote to memory of 1972 1940 rundll32mgr.exe 29 PID 1940 wrote to memory of 1972 1940 rundll32mgr.exe 29 PID 1940 wrote to memory of 1972 1940 rundll32mgr.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 1004⤵
- Loads dropped DLL
- Program crash
PID:1972
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
-
Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5