Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2023 07:30
Static task
static1
Behavioral task
behavioral1
Sample
cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe
Resource
win10v2004-20230915-en
General
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Target
cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe
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Size
25KB
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MD5
03db266f29e494b03849d8a40a61ef32
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SHA1
e055c6e631425b2efc6dc8363ffd864c651424da
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SHA256
cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0
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SHA512
4b1c77b13fe67d91c1ed33fcaeedb1f207e6006d6f7934988c0f115566aa1122dc787e7a4cda1a04ba21308678c2c3d8d66d8215775b0b41b5aa6bc10d08ff2d
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SSDEEP
384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvr:8Q3LotOPNSQVwVVxGKEvKHrVr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1572 spoolsv.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe" cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe" spoolsv.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\spoolsv.exe cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe File created C:\Windows\spoolsv.exe spoolsv.exe -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\https:\onsapay.com\loader spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3140 cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe Token: SeDebugPrivilege 1572 spoolsv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3140 wrote to memory of 1572 3140 cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe 85 PID 3140 wrote to memory of 1572 3140 cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe 85 PID 3140 wrote to memory of 1572 3140 cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe"C:\Users\Admin\AppData\Local\Temp\cf4f4161be28828b23c1ba40e19380f2abe155bed3adebba1a095f93eb949fd0.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Windows\spoolsv.exe"C:\Windows\spoolsv.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
PID:1572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD58e634c2dd2a567996fe01c646aa5d4fc
SHA10184f351b622f9bb02d396e2cf8cbbffa5fdc9fa
SHA256ef3da549956e0596ab5116c644af54bce79b08b13c0b7ffce53a1015eae6fb57
SHA5120895cc1c7c3db4118dd928708a5d6a1be97903126ca23878ac89c622bc9613674dfdd64d5424adff957f06b8a5edc0b8de14ad0ef9973fdd2f57e16687f1a112
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Filesize
25KB
MD582071fd2379c64429acf376487fcddff
SHA12da42c7eaa62ecee65757b441c939f12b52228fb
SHA256272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8
SHA512194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb
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Filesize
25KB
MD582071fd2379c64429acf376487fcddff
SHA12da42c7eaa62ecee65757b441c939f12b52228fb
SHA256272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8
SHA512194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb
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Filesize
25KB
MD582071fd2379c64429acf376487fcddff
SHA12da42c7eaa62ecee65757b441c939f12b52228fb
SHA256272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8
SHA512194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb