Analysis
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max time kernel
149s -
max time network
105s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-12-2022 10:56
Static task
static1
Behavioral task
behavioral1
Sample
27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe
Resource
win7-20220812-en
General
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Target
27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe
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Size
287KB
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MD5
043561f1837fae197aea41280e0e6350
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SHA1
04db1bbf34a8ba926e430de6f447066707b66fd8
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SHA256
27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754
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SHA512
2cbc2eb024869eb6e636ffd5eed0f2dc7259c0adaef1e56862d52040d6723764dc24b3d10d1aa8d4ae7fb7d4eb4bd6d0a19fc790dadd3d43c9293500833e5913
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SSDEEP
6144:HYdTOd+1ig3XO+UVLJrhwQns3879dj1Ur8RoD3tKXw:HYdKd+1RgVLxdj1UwRhXw
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" 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe -
Disables taskbar notifications via registry modification
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Executes dropped EXE 1 IoCs
pid Process 1020 EA12.tmp -
Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
resource yara_rule behavioral1/memory/1428-56-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/1428-59-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/1432-65-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/1656-78-0x0000000000400000-0x000000000046C000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.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\E66.exe = "C:\\Program Files (x86)\\LP\\45D6\\E66.exe" 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.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 3 IoCs
description ioc Process File created C:\Program Files (x86)\LP\45D6\E66.exe 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe File opened for modification C:\Program Files (x86)\LP\45D6\E66.exe 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe File opened for modification C:\Program Files (x86)\LP\45D6\EA12.tmp 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.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-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1560 explorer.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeRestorePrivilege 1032 msiexec.exe Token: SeTakeOwnershipPrivilege 1032 msiexec.exe Token: SeSecurityPrivilege 1032 msiexec.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe Token: 33 1868 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1868 AUDIODG.EXE Token: 33 1868 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1868 AUDIODG.EXE Token: SeShutdownPrivilege 1560 explorer.exe Token: SeShutdownPrivilege 1560 explorer.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe 1560 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1428 wrote to memory of 1432 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 29 PID 1428 wrote to memory of 1432 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 29 PID 1428 wrote to memory of 1432 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 29 PID 1428 wrote to memory of 1432 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 29 PID 1428 wrote to memory of 1020 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 33 PID 1428 wrote to memory of 1020 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 33 PID 1428 wrote to memory of 1020 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 33 PID 1428 wrote to memory of 1020 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 33 PID 1428 wrote to memory of 1656 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 34 PID 1428 wrote to memory of 1656 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 34 PID 1428 wrote to memory of 1656 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 34 PID 1428 wrote to memory of 1656 1428 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe 34 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer 27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe"C:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.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:1428 -
C:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exeC:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe startC:\Users\Admin\AppData\Roaming\6D5B1\F9F45.exe%C:\Users\Admin\AppData\Roaming\6D5B12⤵PID:1432
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C:\Program Files (x86)\LP\45D6\EA12.tmp"C:\Program Files (x86)\LP\45D6\EA12.tmp"2⤵
- Executes dropped EXE
PID:1020
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C:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exeC:\Users\Admin\AppData\Local\Temp\27d85a395aef2dbd3bd3406a96651a4602483ab1a0cf8c95def0007742ccb754.exe startC:\Program Files (x86)\B1A96\lvvm.exe%C:\Program Files (x86)\B1A962⤵PID:1656
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1032
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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:1560
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x58c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1868
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102KB
MD5a41925371a3d19c41fb25641d0a0df50
SHA1ecd36f0614698521ecf39eebca91ef139539b1fb
SHA25600c2f913943948ed58458208f38fbd64c86b3e82e62f9f09bf01507d6edb1a29
SHA51223d2ec4ea266612026b5ef629e672dd0a3991e144d420ced8aea23d028727fdd040f6fb14667098053b598ed34469f211ac855d8aac961cd771369aad12ba8e8
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Filesize
102KB
MD5a41925371a3d19c41fb25641d0a0df50
SHA1ecd36f0614698521ecf39eebca91ef139539b1fb
SHA25600c2f913943948ed58458208f38fbd64c86b3e82e62f9f09bf01507d6edb1a29
SHA51223d2ec4ea266612026b5ef629e672dd0a3991e144d420ced8aea23d028727fdd040f6fb14667098053b598ed34469f211ac855d8aac961cd771369aad12ba8e8
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Filesize
102KB
MD5a41925371a3d19c41fb25641d0a0df50
SHA1ecd36f0614698521ecf39eebca91ef139539b1fb
SHA25600c2f913943948ed58458208f38fbd64c86b3e82e62f9f09bf01507d6edb1a29
SHA51223d2ec4ea266612026b5ef629e672dd0a3991e144d420ced8aea23d028727fdd040f6fb14667098053b598ed34469f211ac855d8aac961cd771369aad12ba8e8