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Analysis
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max time kernel
156s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 19:29
Behavioral task
behavioral1
Sample
89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe
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Size
30KB
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MD5
6083003ae026dda807c0f8cab9534dec
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SHA1
f3a3cc707cee8f450be17417b497bb2dbba4662d
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SHA256
89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba
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SHA512
af980737fc577c62ede04745f861e24d804b7da3fd39ba1922b70144387f0cff3d60047887fa23f4d49bfc7d36d964e5c0da1fb47828d90934136bac167d1498
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SSDEEP
768:gb3EhwiDVnjNL2K1IfnrzMkg8vUF17HcAm:gb3ESqLh1IzzMkggy17Hch
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\COM Service = "C:\\Windows\\msagent\\msnrri.com" svchost.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\COM Service = "C:\\Windows\\msagent\\msnrri.com" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 380 svchost.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{42CE4021-DE03-E3CC-EA32-40BB12E6015D} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{42CE4021-DE03-E3CC-EA32-40BB12E6015D}\StubPath = "C:\\Windows\\system32\\msxsfl.com" svchost.exe -
resource yara_rule behavioral2/memory/3544-132-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/files/0x000c000000022e02-134.dat upx behavioral2/memory/380-135-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/files/0x000c000000022e02-136.dat upx behavioral2/files/0x0007000000022e42-137.dat upx behavioral2/memory/3544-139-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/380-140-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\mslg.blf svchost.exe File opened for modification C:\Windows\SysWOW64\mslg.blf svchost.exe File opened for modification C:\Windows\SysWOW64\msxsfl.com 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe File created C:\Windows\SysWOW64\msxsfl.com 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe File opened for modification C:\Windows\SysWOW64\msxsfl.com svchost.exe File created C:\Windows\SysWOW64\msxsfl.com svchost.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\svchost.exe 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe File opened for modification C:\Windows\msagent\msnrri.com 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe File created C:\Windows\msagent\msnrri.com 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe File opened for modification C:\Windows\svchost.exe svchost.exe File created C:\Windows\svchost.exe svchost.exe File opened for modification C:\Windows\msagent\msnrri.com svchost.exe File created C:\Windows\msagent\msnrri.com svchost.exe File opened for modification C:\Windows\svchost.exe 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 380 svchost.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSecurityPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeTakeOwnershipPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeLoadDriverPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemProfilePrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemtimePrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeProfSingleProcessPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeIncBasePriorityPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeCreatePagefilePrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeBackupPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeRestorePrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeShutdownPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeDebugPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemEnvironmentPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeRemoteShutdownPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeUndockPrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeManageVolumePrivilege 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 33 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 34 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 35 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 36 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeIncreaseQuotaPrivilege 380 svchost.exe Token: SeSecurityPrivilege 380 svchost.exe Token: SeTakeOwnershipPrivilege 380 svchost.exe Token: SeLoadDriverPrivilege 380 svchost.exe Token: SeSystemProfilePrivilege 380 svchost.exe Token: SeSystemtimePrivilege 380 svchost.exe Token: SeProfSingleProcessPrivilege 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe Token: SeCreatePagefilePrivilege 380 svchost.exe Token: SeBackupPrivilege 380 svchost.exe Token: SeRestorePrivilege 380 svchost.exe Token: SeShutdownPrivilege 380 svchost.exe Token: SeDebugPrivilege 380 svchost.exe Token: SeSystemEnvironmentPrivilege 380 svchost.exe Token: SeRemoteShutdownPrivilege 380 svchost.exe Token: SeUndockPrivilege 380 svchost.exe Token: SeManageVolumePrivilege 380 svchost.exe Token: 33 380 svchost.exe Token: 34 380 svchost.exe Token: 35 380 svchost.exe Token: 36 380 svchost.exe Token: 33 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe Token: 33 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe Token: 33 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe Token: 33 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe Token: 33 380 svchost.exe Token: SeIncBasePriorityPrivilege 380 svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3544 wrote to memory of 380 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 82 PID 3544 wrote to memory of 380 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 82 PID 3544 wrote to memory of 380 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 82 PID 3544 wrote to memory of 3656 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 84 PID 3544 wrote to memory of 3656 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 84 PID 3544 wrote to memory of 3656 3544 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe"C:\Users\Admin\AppData\Local\Temp\89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\svchost.exeC:\Windows\svchost.exe2⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:380
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe"2⤵PID:3656
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
30KB
MD56083003ae026dda807c0f8cab9534dec
SHA1f3a3cc707cee8f450be17417b497bb2dbba4662d
SHA25689b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba
SHA512af980737fc577c62ede04745f861e24d804b7da3fd39ba1922b70144387f0cff3d60047887fa23f4d49bfc7d36d964e5c0da1fb47828d90934136bac167d1498
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Filesize
30KB
MD56083003ae026dda807c0f8cab9534dec
SHA1f3a3cc707cee8f450be17417b497bb2dbba4662d
SHA25689b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba
SHA512af980737fc577c62ede04745f861e24d804b7da3fd39ba1922b70144387f0cff3d60047887fa23f4d49bfc7d36d964e5c0da1fb47828d90934136bac167d1498
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Filesize
30KB
MD56083003ae026dda807c0f8cab9534dec
SHA1f3a3cc707cee8f450be17417b497bb2dbba4662d
SHA25689b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba
SHA512af980737fc577c62ede04745f861e24d804b7da3fd39ba1922b70144387f0cff3d60047887fa23f4d49bfc7d36d964e5c0da1fb47828d90934136bac167d1498