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Analysis
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max time kernel
146s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
15/07/2023, 10:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3a34c1f42e09bfexeexe_JC.exe
Resource
win7-20230712-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a34c1f42e09bfexeexe_JC.exe
Resource
win10v2004-20230703-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
3a34c1f42e09bfexeexe_JC.exe
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Size
3.3MB
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MD5
3a34c1f42e09bf5f06cac038f3d2b9b8
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SHA1
4c9498e5849b37a2819dff1773be3d3f71dead1e
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SHA256
1a03a844ddeb7ca509eaf41ce41b9f116be6bec14811a7c98b5609eb473ac539
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SHA512
3d796fb9f272d26252b251defc474cc2e55685e891cf2e3c17da1d3b58140461b4fe530a62edf8c9fd27faf075461790fb85d1b75c1ac339db2094633ec73393
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SSDEEP
49152:k9yiCJ5rFwnANZGEXep+9TxFegOSDAmosh3ANkTTllUbp5mMaYtM/Z9:rJ5rFwnApezgOS9V3AMqrGZ9
Score
8/10
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-1-5-21-4159544280-4273523227-683900707-1000\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-1-5-21-4159544280-4273523227-683900707-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1804 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
pid Process 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe -
Suspicious use of SendNotifyMessage 23 IoCs
pid Process 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 explorer.exe 1804 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\3a34c1f42e09bfexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\3a34c1f42e09bfexeexe_JC.exe"1⤵PID:1240
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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:1804