Analysis
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max time kernel
148s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 01:50
Static task
static1
Behavioral task
behavioral1
Sample
55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6.exe
Resource
win10v2004-20230915-en
General
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Target
55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6.exe
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Size
2.7MB
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MD5
4f99caa7c518bc7c396dabecb580fee6
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SHA1
73ea3ed36ecb6a3b686428aca7a3ad6e08f32b25
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SHA256
55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6
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SHA512
b9673cf27aebdbaf6330ade5e815ce525eeca664e3417abfd836c99f5bcab8c9be7c39262d220c2e2d19d1673965142af2a654d47dd78550493bf4f970a65790
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SSDEEP
49152:H7TvfU+8X9GrNOsva5RbKhF3ANkTTlCkZgmQfMZrV66VjJ:c+8X9G3vP3AMQkZofng1
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-1-5-21-3185155662-718608226-894467740-1000\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 Set value (data) \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2636 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe Token: SeShutdownPrivilege 2636 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 explorer.exe 2636 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\55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6.exe"C:\Users\Admin\AppData\Local\Temp\55026e3185470c6a99cf2347ba3e5e40e9e5b7ef2ce8059ebfd2ca759a6a6da6.exe"1⤵PID:2964
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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:2636