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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/12/2024, 06:21
Behavioral task
behavioral1
Sample
856.exe
Resource
win7-20240729-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
856.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
856.exe
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Size
93KB
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MD5
68edafe0a1705d5c7dd1cb14fa1ca8ce
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SHA1
7e9d854c90acd7452645506874c4e6f10bfdda31
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SHA256
68f0121f2062aede8ae8bd52bba3c4c6c8aa19bdf32958b4e305cf716a92cc3d
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SHA512
89a965f783ea7f54b55a542168ff759e851eae77cdfa9e23ba76145614b798f0815f2feb8670c16f26943e83bba2ade0649d6dc83af8d87c51c42f96d015573d
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SSDEEP
768:JY37KBD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3WsG3:kKzOx6baIa9RIj00ljEwzGi1dDSD7gS
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 6 IoCs
pid Process 4392 netsh.exe 2712 netsh.exe 3828 netsh.exe 860 netsh.exe 4932 netsh.exe 5068 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 856.exe -
Deletes itself 1 IoCs
pid Process 3520 svchost.exe -
Executes dropped EXE 3 IoCs
pid Process 3520 svchost.exe 3680 StUpdate.exe 4692 StUpdate.exe -
Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf 856.exe File opened for modification C:\autorun.inf 856.exe File created F:\autorun.inf 856.exe File opened for modification F:\autorun.inf 856.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 18 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 856.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language StUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language StUpdate.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2240 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe 3660 856.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3520 svchost.exe -
Suspicious use of AdjustPrivilegeToken 38 IoCs
description pid Process Token: SeDebugPrivilege 3660 856.exe Token: SeDebugPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe Token: 33 3520 svchost.exe Token: SeIncBasePriorityPrivilege 3520 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3660 wrote to memory of 4392 3660 856.exe 83 PID 3660 wrote to memory of 4392 3660 856.exe 83 PID 3660 wrote to memory of 4392 3660 856.exe 83 PID 3660 wrote to memory of 2712 3660 856.exe 85 PID 3660 wrote to memory of 2712 3660 856.exe 85 PID 3660 wrote to memory of 2712 3660 856.exe 85 PID 3660 wrote to memory of 3828 3660 856.exe 86 PID 3660 wrote to memory of 3828 3660 856.exe 86 PID 3660 wrote to memory of 3828 3660 856.exe 86 PID 3660 wrote to memory of 3520 3660 856.exe 89 PID 3660 wrote to memory of 3520 3660 856.exe 89 PID 3660 wrote to memory of 3520 3660 856.exe 89 PID 3520 wrote to memory of 860 3520 svchost.exe 90 PID 3520 wrote to memory of 860 3520 svchost.exe 90 PID 3520 wrote to memory of 860 3520 svchost.exe 90 PID 3520 wrote to memory of 5068 3520 svchost.exe 93 PID 3520 wrote to memory of 5068 3520 svchost.exe 93 PID 3520 wrote to memory of 5068 3520 svchost.exe 93 PID 3520 wrote to memory of 4932 3520 svchost.exe 94 PID 3520 wrote to memory of 4932 3520 svchost.exe 94 PID 3520 wrote to memory of 4932 3520 svchost.exe 94 PID 3520 wrote to memory of 2240 3520 svchost.exe 95 PID 3520 wrote to memory of 2240 3520 svchost.exe 95 PID 3520 wrote to memory of 2240 3520 svchost.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\856.exe"C:\Users\Admin\AppData\Local\Temp\856.exe"1⤵
- Checks computer location settings
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3660 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\856.exe" "856.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4392
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\856.exe"2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2712
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\856.exe" "856.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3828
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C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:860
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5068
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4932
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2240
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C:\Users\Admin\AppData\Local\Temp\StUpdate.exeC:\Users\Admin\AppData\Local\Temp/StUpdate.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3680
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C:\Users\Admin\AppData\Local\Temp\StUpdate.exeC:\Users\Admin\AppData\Local\Temp/StUpdate.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4692
Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
408B
MD5661cab77d3b907e8057f2e689e995af3
SHA15d1a0ee9c5ee7a7a90d56d00c10dc0e679bee01c
SHA2568f27f95ad7c09f2e05d7960e78ef8cd935c1262e9657883a75d70dcb877592d2
SHA5122523b316bd79fed0e9b3d73f46959f3dfe270cf950f34bd9d49fe4113a2ae46d0cd00224d848bc40c0d8c55449e2dccc4b4278ba4809c0ca9ede1ac75673fc67
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Filesize
41B
MD50580ef82887ddb617447665767b975f5
SHA159c488ecd971acd211cf0d52c4145fd40400084e
SHA256c2bf58aabc76d5eba56eb181eab151fe31848c74a223efaf2e340b3f95899b64
SHA512dbb81a1059d02fd7907b36d28cef121ec65c02f824347ec2190be728d260ff71faf9d18dd12d09456d17d8374f81f212c92dbc97001cb53be7c2094f2fb85eee
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Filesize
93KB
MD568edafe0a1705d5c7dd1cb14fa1ca8ce
SHA17e9d854c90acd7452645506874c4e6f10bfdda31
SHA25668f0121f2062aede8ae8bd52bba3c4c6c8aa19bdf32958b4e305cf716a92cc3d
SHA51289a965f783ea7f54b55a542168ff759e851eae77cdfa9e23ba76145614b798f0815f2feb8670c16f26943e83bba2ade0649d6dc83af8d87c51c42f96d015573d
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Filesize
5B
MD502b81b0cbe1faaa1fa62d5fc876ab443
SHA1d473cfe21fb1f188689415b0bdd239688f8fddd9
SHA256e7e9e2c247bc872bacce77661c78f001a17d70ee3130a9016a5818da9da00cdb
SHA512592ab5b200d4c560951cb70288dc1b7a562f0cbfaee01ce03076b6934d537b88575c2e1e0fedcc05db95e6c224ca739923e7d74f9165e683f3fbad7bbf641784