Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
18-02-2025 06:55
Static task
static1
Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20241010-en
General
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Target
3.exe
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Size
140KB
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MD5
71d6ba66466828dfe5c7d8cadfd44c79
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SHA1
b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d
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SHA256
012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9
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SHA512
3c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699
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SSDEEP
1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU
Malware Config
Signatures
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Fatalrat family
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Fatal Rat payload 2 IoCs
resource yara_rule behavioral2/memory/2884-0-0x0000000010000000-0x000000001001C000-memory.dmp fatalrat behavioral2/memory/3152-9-0x0000000010000000-0x000000001001C000-memory.dmp fatalrat -
Executes dropped EXE 2 IoCs
pid Process 3152 3.exe 8 3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\3.exe 3.exe File created C:\Windows\3.exe 3.exe File opened for modification C:\Windows\3.exe 3.exe File opened for modification C:\Windows\3.exe 3.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3.exe -
Modifies data under HKEY_USERS 7 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Lmnopq Stuvwxya 3.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM 3.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet 3.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services 3.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Lmnopq Stuvwxya 3.exe Set value (str) \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Lmnopq Stuvwxya\Group = "3" 3.exe Set value (str) \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Lmnopq Stuvwxya\InstallTime = "2025-02-18 06:55" 3.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2884 3.exe 2884 3.exe 3152 3.exe 3152 3.exe 8 3.exe 8 3.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2884 3.exe Token: SeDebugPrivilege 3152 3.exe Token: SeDebugPrivilege 8 3.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3152 wrote to memory of 8 3152 3.exe 88 PID 3152 wrote to memory of 8 3152 3.exe 88 PID 3152 wrote to memory of 8 3152 3.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Windows\3.exeC:\Windows\3.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\3.exeC:\Windows\3.exe Win72⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
140KB
MD571d6ba66466828dfe5c7d8cadfd44c79
SHA1b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d
SHA256012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9
SHA5123c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699