Analysis
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max time kernel
93s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 05:43
Static task
static1
Behavioral task
behavioral1
Sample
657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
Resource
win10v2004-20220812-en
General
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Target
657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
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Size
681KB
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MD5
5118d93f4a0e9e86bb5e0dafdb357020
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SHA1
11c7ebbc4e4d0edca04ab8460b20ac54da13451d
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SHA256
657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1
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SHA512
a83da4229ee1dfb14f3a0c798c5c5c5995ea1baba6c760dc14c06103ea274a2ee8ec18b031e51ca4c2a782c200eca3f6717579d9303d327785438c344e357eb7
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SSDEEP
12288:8nvpkQLom8aLmgJhKjUkZ+TwikOdLwzcBu43U2tCTSyOfjPCatgF2nOgFDmK45F:8nvSQLV8TgJhKXYcKacQSbMSDCatg4OF
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4780-134-0x00000000023B0000-0x00000000024FA000-memory.dmp upx behavioral2/memory/4780-137-0x00000000023B0000-0x00000000024FA000-memory.dmp upx behavioral2/memory/4780-138-0x00000000023B0000-0x00000000024FA000-memory.dmp upx behavioral2/memory/4780-139-0x00000000023B0000-0x00000000024FA000-memory.dmp upx behavioral2/memory/4780-140-0x00000000023B0000-0x00000000024FA000-memory.dmp upx behavioral2/memory/2764-142-0x0000000002140000-0x000000000228A000-memory.dmp upx behavioral2/memory/2764-145-0x0000000002140000-0x000000000228A000-memory.dmp upx behavioral2/memory/2764-146-0x0000000002140000-0x000000000228A000-memory.dmp upx behavioral2/memory/2764-148-0x0000000002140000-0x000000000228A000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~2\is240609296.log 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe Token: SeCreatePagefilePrivilege 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4780 wrote to memory of 2764 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 80 PID 4780 wrote to memory of 2764 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 80 PID 4780 wrote to memory of 2764 4780 657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe"C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe"C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe" /_ShowProgress2⤵PID:2764
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