Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
07/11/2023, 08:23
Static task
static1
Behavioral task
behavioral1
Sample
c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8.exe
Resource
win10v2004-20231023-en
General
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Target
c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8.exe
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Size
3.5MB
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MD5
513a511a0486d5ea13f9ccdfcf60b771
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SHA1
1f860c90b51617b6cea7c0c0c600ef81d93e4c77
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SHA256
c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8
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SHA512
b3d15b5a78e2e13170116f1e3046fbe4d8ae52ac37b879dd61e461b0d2cc6d2365c275ea7234afbfd99a8cb51922ed9ae6afdecb956c44982ac9aa54dc770261
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SSDEEP
49152:D7TvfU+8X9GrNOsva5RbKhF3ANkTTlH6yJWj7mSZOeLajLv7V:Q+8X9G3vP3AMKmSZzmjLzV
Malware Config
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1992 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe -
Suspicious use of SendNotifyMessage 19 IoCs
pid Process 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8.exe"C:\Users\Admin\AppData\Local\Temp\c90d164de65211d0fc7f150f9e78372951aa9e899ca2142063bdf70a2cb0bdf8.exe"1⤵PID:2248
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1992