Analysis
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max time kernel
229s -
max time network
314s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 10:35
Static task
static1
Behavioral task
behavioral1
Sample
a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe
Resource
win7-20221111-en
General
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Target
a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe
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Size
286KB
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MD5
90e227e78341e71611608fe4895194ba
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SHA1
b3a1d064f9849bcc882672db356f435ce53e3f7c
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SHA256
a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff
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SHA512
24f7380994dd191949b4458a4b8e331cb2abc7d09ceb7a5645ca063127264cb19a5cae0aefe6bd336f5f014f5d078bebf33542e32cfca300226d2fa46b3fa68b
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SSDEEP
6144:844uTAXbuD8V4R8UitvWhNzFEtzx1SsntXgwcWdbBXEOSK07vb:xRT6uk4C9v6oJWQXEOOLb
Malware Config
Signatures
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Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "3" a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe -
Disables taskbar notifications via registry modification
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Executes dropped EXE 1 IoCs
pid Process 1228 A0B3.tmp -
Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
resource yara_rule behavioral1/memory/432-55-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/1920-61-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/1860-74-0x0000000000400000-0x000000000046B000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\C71.exe = "C:\\Program Files (x86)\\LP\\42CB\\C71.exe" a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\LP\42CB\C71.exe a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe File opened for modification C:\Program Files (x86)\LP\42CB\A0B3.tmp a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1624 explorer.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeRestorePrivilege 1808 msiexec.exe Token: SeTakeOwnershipPrivilege 1808 msiexec.exe Token: SeSecurityPrivilege 1808 msiexec.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: SeShutdownPrivilege 1624 explorer.exe Token: 33 1820 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1820 AUDIODG.EXE Token: 33 1820 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1820 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe 1624 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 432 wrote to memory of 1920 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 30 PID 432 wrote to memory of 1920 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 30 PID 432 wrote to memory of 1920 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 30 PID 432 wrote to memory of 1920 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 30 PID 432 wrote to memory of 1228 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 32 PID 432 wrote to memory of 1228 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 32 PID 432 wrote to memory of 1228 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 32 PID 432 wrote to memory of 1228 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 32 PID 432 wrote to memory of 1860 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 33 PID 432 wrote to memory of 1860 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 33 PID 432 wrote to memory of 1860 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 33 PID 432 wrote to memory of 1860 432 a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe 33 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe"C:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe"1⤵
- Modifies security service
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:432 -
C:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exeC:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe startC:\Users\Admin\AppData\Roaming\B3C02\32E42.exe%C:\Users\Admin\AppData\Roaming\B3C022⤵PID:1920
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C:\Program Files (x86)\LP\42CB\A0B3.tmp"C:\Program Files (x86)\LP\42CB\A0B3.tmp"2⤵
- Executes dropped EXE
PID:1228
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C:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exeC:\Users\Admin\AppData\Local\Temp\a1183de9e3941a4740027c24c765fc712713f6a62952ff67d637cd7b3ea731ff.exe startC:\Program Files (x86)\02ACC\lvvm.exe%C:\Program Files (x86)\02ACC2⤵PID:1860
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1808
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1624
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5a81⤵
- Suspicious use of AdjustPrivilegeToken
PID:1820
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102KB
MD557401a2069d022a5dc6ffee91de43906
SHA16e2850bde22f345739bf32031b2c2fb8850e0185
SHA2569792c1645ecabeb90e2a61eb8a34ff0aa685eea55d61cbe47a667a3aca7e437b
SHA512f4498f1ccf80bfd305f2b312e6e09b68271f1468cb3505120539bae7cf72a66609a5fcbd66ed5274fb466fa2c3dc13cf61f83ad3105303c333f19f696c3c96aa
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Filesize
102KB
MD557401a2069d022a5dc6ffee91de43906
SHA16e2850bde22f345739bf32031b2c2fb8850e0185
SHA2569792c1645ecabeb90e2a61eb8a34ff0aa685eea55d61cbe47a667a3aca7e437b
SHA512f4498f1ccf80bfd305f2b312e6e09b68271f1468cb3505120539bae7cf72a66609a5fcbd66ed5274fb466fa2c3dc13cf61f83ad3105303c333f19f696c3c96aa
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Filesize
102KB
MD557401a2069d022a5dc6ffee91de43906
SHA16e2850bde22f345739bf32031b2c2fb8850e0185
SHA2569792c1645ecabeb90e2a61eb8a34ff0aa685eea55d61cbe47a667a3aca7e437b
SHA512f4498f1ccf80bfd305f2b312e6e09b68271f1468cb3505120539bae7cf72a66609a5fcbd66ed5274fb466fa2c3dc13cf61f83ad3105303c333f19f696c3c96aa