Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
01-09-2023 18:33
Behavioral task
behavioral1
Sample
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe
Resource
win10v2004-20230831-en
General
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Target
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe
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Size
93KB
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MD5
017fa7a20c92152e2a5533f75f090469
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SHA1
7ea751d6b4f9f03e4f23603103edc4ccfdebbfdc
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SHA256
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94
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SHA512
6d330633b96af51187c362c280e00d3a0a199bf4ff5f21dfddd591dbffafd18b9e0fb5154dffbae0c94790addc62763c872ce10c7ae93a4cdf73e1b26d303ba5
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SSDEEP
1536:TewOQIBlfGQFk2ZonmzaMxjEwzGi1dDsD1gS:TewMtFk2ZonmuMOi1dSC
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 1 TTPs 3 IoCs
Processes:
netsh.exenetsh.exenetsh.exepid process 2224 netsh.exe 2648 netsh.exe 2748 netsh.exe -
Drops startup file 6 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\03c49c7f7bdfd684069ba84c510171c9Steam.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\03c49c7f7bdfd684069ba84c510171c9Steam.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Drops file in System32 directory 2 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exedescription ioc process File created C:\Windows\SysWOW64\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File opened for modification C:\Windows\SysWOW64\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Drops file in Program Files directory 2 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exedescription ioc process File opened for modification C:\Program Files (x86)\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe File created C:\Program Files (x86)\Explower.exe bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exepid process 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exepid process 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exedescription pid process Token: SeDebugPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: 33 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe Token: SeIncBasePriorityPrivilege 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exedescription pid process target process PID 2980 wrote to memory of 2224 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2224 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2224 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2224 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2648 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2648 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2648 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2648 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2748 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2748 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2748 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe PID 2980 wrote to memory of 2748 2980 bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe"C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe"1⤵
- Drops startup file
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" "bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" ENABLE2⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe"2⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" "bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" ENABLE2⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Explower.exeFilesize
93KB
MD5017fa7a20c92152e2a5533f75f090469
SHA17ea751d6b4f9f03e4f23603103edc4ccfdebbfdc
SHA256bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94
SHA5126d330633b96af51187c362c280e00d3a0a199bf4ff5f21dfddd591dbffafd18b9e0fb5154dffbae0c94790addc62763c872ce10c7ae93a4cdf73e1b26d303ba5
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memory/2980-0-0x0000000074E70000-0x000000007541B000-memory.dmpFilesize
5.7MB
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memory/2980-1-0x0000000074E70000-0x000000007541B000-memory.dmpFilesize
5.7MB
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memory/2980-2-0x0000000001E60000-0x0000000001EA0000-memory.dmpFilesize
256KB
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memory/2980-19-0x0000000074E70000-0x000000007541B000-memory.dmpFilesize
5.7MB
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memory/2980-20-0x0000000074E70000-0x000000007541B000-memory.dmpFilesize
5.7MB
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memory/2980-21-0x0000000001E60000-0x0000000001EA0000-memory.dmpFilesize
256KB