Analysis
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max time kernel
129s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03-04-2024 01:38
Behavioral task
behavioral1
Sample
a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
Resource
win7-20240221-en
General
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Target
a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
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Size
314KB
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MD5
ad997dc4ee32ab469e45009f218175d0
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SHA1
17ef145486c494ea9c727972c501471e720887f0
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SHA256
a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166
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SHA512
727aceb3edd5dfbbbad84e1aef4beb3773313378bd4fa6cd77800d6cf578ba740a5ebc1f3740593071a26daa2cf91e49243fa4ba043d934c8bd936a1526c18d0
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SSDEEP
3072:oiPK9mkbyBaKJyPATmiyAnY5o9BrFV0bIBVvBCj4EKK4h75AQ5ii:oCj2yBOiW5o972jEh75F5ii
Malware Config
Signatures
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Detect ZGRat V1 4 IoCs
resource yara_rule behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp family_zgrat_v1 behavioral1/files/0x000f00000000f680-8.dat family_zgrat_v1 behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp family_zgrat_v1 behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp family_zgrat_v1 -
Detects executables packed with unregistered version of .NET Reactor 4 IoCs
resource yara_rule behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor behavioral1/files/0x000f00000000f680-8.dat INDICATOR_EXE_Packed_DotNetReactor behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor -
.NET Reactor proctector 4 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp net_reactor behavioral1/files/0x000f00000000f680-8.dat net_reactor behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp net_reactor behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp net_reactor -
Executes dropped EXE 1 IoCs
pid Process 2228 Necobit.exe -
Loads dropped DLL 2 IoCs
pid Process 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1520 schtasks.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2804 wrote to memory of 1520 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 31 PID 2804 wrote to memory of 1520 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 31 PID 2804 wrote to memory of 1520 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 31 PID 2804 wrote to memory of 1520 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 31 PID 2804 wrote to memory of 2228 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 33 PID 2804 wrote to memory of 2228 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 33 PID 2804 wrote to memory of 2228 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 33 PID 2804 wrote to memory of 2228 2804 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Necobit.exe'"2⤵
- Creates scheduled task(s)
PID:1520
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C:\Users\Admin\AppData\Roaming\Necobit.exe"C:\Users\Admin\AppData\Roaming\Necobit.exe"2⤵
- Executes dropped EXE
PID:2228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
314KB
MD5ad997dc4ee32ab469e45009f218175d0
SHA117ef145486c494ea9c727972c501471e720887f0
SHA256a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166
SHA512727aceb3edd5dfbbbad84e1aef4beb3773313378bd4fa6cd77800d6cf578ba740a5ebc1f3740593071a26daa2cf91e49243fa4ba043d934c8bd936a1526c18d0