Analysis
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max time kernel
147s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\COM Service = "C:\\Windows\\msagent\\msnrri.com" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 996 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 behavioral1/files/0x00140000000054ab-56.dat upx behavioral1/files/0x00140000000054ab-58.dat upx behavioral1/files/0x0009000000012758-59.dat upx behavioral1/memory/1604-60-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral1/memory/996-63-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral1/memory/1604-65-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Deletes itself 1 IoCs
pid Process 2020 cmd.exe -
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 996 svchost.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSecurityPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeTakeOwnershipPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeLoadDriverPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemProfilePrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemtimePrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeProfSingleProcessPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeIncBasePriorityPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeCreatePagefilePrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeBackupPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeRestorePrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeShutdownPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeDebugPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeSystemEnvironmentPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeRemoteShutdownPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeUndockPrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeManageVolumePrivilege 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 33 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 34 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: 35 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe Token: SeIncreaseQuotaPrivilege 996 svchost.exe Token: SeSecurityPrivilege 996 svchost.exe Token: SeTakeOwnershipPrivilege 996 svchost.exe Token: SeLoadDriverPrivilege 996 svchost.exe Token: SeSystemProfilePrivilege 996 svchost.exe Token: SeSystemtimePrivilege 996 svchost.exe Token: SeProfSingleProcessPrivilege 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: SeCreatePagefilePrivilege 996 svchost.exe Token: SeBackupPrivilege 996 svchost.exe Token: SeRestorePrivilege 996 svchost.exe Token: SeShutdownPrivilege 996 svchost.exe Token: SeDebugPrivilege 996 svchost.exe Token: SeSystemEnvironmentPrivilege 996 svchost.exe Token: SeRemoteShutdownPrivilege 996 svchost.exe Token: SeUndockPrivilege 996 svchost.exe Token: SeManageVolumePrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: 34 996 svchost.exe Token: 35 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe Token: 33 996 svchost.exe Token: SeIncBasePriorityPrivilege 996 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1604 wrote to memory of 996 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 28 PID 1604 wrote to memory of 996 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 28 PID 1604 wrote to memory of 996 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 28 PID 1604 wrote to memory of 996 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 28 PID 1604 wrote to memory of 2020 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 29 PID 1604 wrote to memory of 2020 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 29 PID 1604 wrote to memory of 2020 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 29 PID 1604 wrote to memory of 2020 1604 89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe 29
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:1604 -
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:996
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\89b4ea041eca3ffaad934d52f3c67e86cf936d617525e76889e356c7457896ba.exe"2⤵
- Deletes itself
PID:2020
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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