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Analysis
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max time kernel
122s -
max time network
163s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
07/01/2024, 12:35
Behavioral task
behavioral1
Sample
48ff629f0f09c0d9043c6bfa14a29870.exe
Resource
win7-20231215-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
48ff629f0f09c0d9043c6bfa14a29870.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
48ff629f0f09c0d9043c6bfa14a29870.exe
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Size
80KB
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MD5
48ff629f0f09c0d9043c6bfa14a29870
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SHA1
e4bf5cfbea9dec901c16be3132df7f23d1b45c52
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SHA256
0850e6a4979ead68981cd3f8b2106f17d0aae3004d9b8350edb3d7673c8fa358
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SHA512
42dac1c99e82d99fc7b261a1352fc068e2793bd04fa9ecab6880e73f85b407876df2bb1d1729a73a20def74761d1d081877faaad4e9d0d40e3f054cd63703850
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SSDEEP
1536:EuFvaFOT2q9v/+QJzyhjG40ls1YkJfNaULJd33cBuSiijYvgpfMY6Wd3raC:5aU6q93+HhG5sJuULJpMBrV8gmC
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2600-0-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-59-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-61-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-64-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-63-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-62-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-60-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-65-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-58-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-57-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/1264-56-0x0000000013150000-0x0000000013185000-memory.dmp upx behavioral1/memory/2600-130-0x0000000013150000-0x0000000013185000-memory.dmp upx -
Modifies WinLogon 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\StartShell = "Run" 48ff629f0f09c0d9043c6bfa14a29870.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Impersonate = "1" 48ff629f0f09c0d9043c6bfa14a29870.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\DLLName = "crypts.dll" 48ff629f0f09c0d9043c6bfa14a29870.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Asynchronous = "1" 48ff629f0f09c0d9043c6bfa14a29870.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt 48ff629f0f09c0d9043c6bfa14a29870.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify 48ff629f0f09c0d9043c6bfa14a29870.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\crypts.dll 48ff629f0f09c0d9043c6bfa14a29870.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2600 48ff629f0f09c0d9043c6bfa14a29870.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22 PID 2600 wrote to memory of 1264 2600 48ff629f0f09c0d9043c6bfa14a29870.exe 22
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1264
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C:\Users\Admin\AppData\Local\Temp\48ff629f0f09c0d9043c6bfa14a29870.exe"C:\Users\Admin\AppData\Local\Temp\48ff629f0f09c0d9043c6bfa14a29870.exe"2⤵
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2600
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