Analysis
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max time kernel
6s -
max time network
7s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
05-03-2024 14:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b4f26bac881a47b934328734343238cf.exe
Resource
win7-20240220-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
b4f26bac881a47b934328734343238cf.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
5 signatures
150 seconds
Errors
Reason
Machine shutdown
General
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Target
b4f26bac881a47b934328734343238cf.exe
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Size
92KB
-
MD5
b4f26bac881a47b934328734343238cf
-
SHA1
065964ef7601a8b8dc4fbe05dc4d3bc410699aa1
-
SHA256
3134bcbcc5c5c2b5c0c807b9827e471829a02b5f697634c443456ecbe92b69bb
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SHA512
19ae403c85703f3dd461697409ee60bfbb7ae0dd70b22e388ee93d26b9a72418f089b69f35be703449025124ce37db8cd8d8ad2661f24d1c1ca56763d6717281
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SSDEEP
1536:gRFQaSjCXqQ7NmDfOzhqxoib0VswIq5CuhUk1sTLzMo:gRqaHd7I+5ibKL9SKsPzMo
Score
8/10
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\irznbeg.dll b4f26bac881a47b934328734343238cf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2040 b4f26bac881a47b934328734343238cf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4f26bac881a47b934328734343238cf.exe"C:\Users\Admin\AppData\Local\Temp\b4f26bac881a47b934328734343238cf.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2040
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2464
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2532