Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
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submitted
27-07-2024 20:04
General
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Target
neroAacEnc.exe
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Size
15.2MB
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MD5
9bf782afcc591d031b253116ac34051b
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SHA1
901764258a8f7322c9a4155f70e48e9676c7691e
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SHA256
318a4e426669f90ff9b6107f56f0ed47616d9da1335473c8f9f41073ca2d694d
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SHA512
dacc38e7d1fd9d60b6700ed5d28d2aa3283766157e84399f9e6b98161d399b32a8c8ea6846ec932b4c8a13e3690c7b2bc6db17d62f47d9ac22f74cf8dc59400c
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SSDEEP
393216:Lwi3tIkSzBOms76P5jAkCQBIVO3JDps+ziMlbMhrC+lFaiNFjU7AWt:BtuOu5AFQ+0ps++MlAn61
Malware Config
Signatures
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Detects HijackLoader (aka IDAT Loader) 1 IoCs
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HijackLoader
HijackLoader is a multistage loader first seen in 2023.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Sets service image path in registry 2 TTPs 1 IoCs
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Deletes itself 1 IoCs
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Drops file in System32 directory 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 22 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies data under HKEY_USERS 8 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\neroAacEnc.exe"C:\Users\Admin\AppData\Local\Temp\neroAacEnc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Sets service image path in registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\Windows\SysWOW64\explorer.exe4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
14.6MB
MD561aa8acf927cbad9f4ca0acd6292a3ba
SHA1c3b35f5ac2b84feb6a9dea742b26580bef92ccb0
SHA256b19eba3e540bdb64f4f751153d21ce767e405f210689591636ecd3ed2c90206f
SHA512d981110333fa531be5aa134769607ef58987bafab92a8dd755d130ef8af1603302d49a9c816e75e600d1ffc1284f07f2d79fda02fb3a608ba3df0db6a8cd28fd
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6.5MB
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Filesize
3.3MB
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Filesize
408KB
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Filesize
408KB
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Filesize
32KB
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Filesize
104KB
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Filesize
80KB
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Filesize
56KB
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Filesize
68KB
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Filesize
600KB
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Filesize
40KB
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Filesize
104KB
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Filesize
652KB
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Filesize
120KB
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Filesize
304KB
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Filesize
200KB
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Filesize
304KB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
120KB
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Filesize
16.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
2.0MB
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Filesize
8KB
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Filesize
2.0MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
2.0MB
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Filesize
14.1MB
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Filesize
2.2MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
628KB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB