Analysis
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max time kernel
120s -
max time network
110s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29-11-2024 04:57
Static task
static1
Behavioral task
behavioral1
Sample
4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe
Resource
win7-20240903-en
General
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Target
4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe
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Size
616KB
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MD5
8c9614d97173e2afa602be50fccec1d0
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SHA1
26790a2b3b7d21ed9303865e22edc66644545e3c
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SHA256
4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8c
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SHA512
8db74b48149d94876cccd587a0c4d161095d3c79b17bb9af0f5601c24857644f1528c0121fd4b5e817c3184a4926dfae96561afb04a505555d5c6fc019c42fab
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SSDEEP
12288:ZqkZpmvsQtqB5urTIoYWBQk1E+VF9mOx9SQL0+4:wsQtqBorTlYWBhE+V3mO5U
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
dtyjnsyxuroscsgo
Signatures
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Hawkeye family
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Detected Nirsoft tools 10 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/3032-1-0x0000000000CB0000-0x0000000000D50000-memory.dmp Nirsoft behavioral1/files/0x0008000000015d7e-9.dat Nirsoft behavioral1/memory/1164-12-0x0000000001250000-0x00000000012F0000-memory.dmp Nirsoft behavioral1/memory/756-19-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/756-21-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/756-22-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/756-27-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2924-28-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2924-29-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2924-35-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 7 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/3032-1-0x0000000000CB0000-0x0000000000D50000-memory.dmp MailPassView behavioral1/files/0x0008000000015d7e-9.dat MailPassView behavioral1/memory/1164-12-0x0000000001250000-0x00000000012F0000-memory.dmp MailPassView behavioral1/memory/756-19-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/756-21-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/756-22-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/756-27-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/3032-1-0x0000000000CB0000-0x0000000000D50000-memory.dmp WebBrowserPassView behavioral1/files/0x0008000000015d7e-9.dat WebBrowserPassView behavioral1/memory/1164-12-0x0000000001250000-0x00000000012F0000-memory.dmp WebBrowserPassView behavioral1/memory/2924-28-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2924-29-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2924-35-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Deletes itself 1 IoCs
Processes:
Amino.exepid Process 1164 Amino.exe -
Executes dropped EXE 1 IoCs
Processes:
Amino.exepid Process 1164 Amino.exe -
Loads dropped DLL 1 IoCs
Processes:
4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exepid Process 3032 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Amino.exedescription pid Process procid_target PID 1164 set thread context of 756 1164 Amino.exe 32 PID 1164 set thread context of 2924 1164 Amino.exe 33 -
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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
vbc.exe4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exeAmino.exevbc.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Amino.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Amino.exevbc.exepid Process 1164 Amino.exe 2924 vbc.exe 1164 Amino.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Amino.exedescription pid Process Token: SeDebugPrivilege 1164 Amino.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Amino.exepid Process 1164 Amino.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exeAmino.exedescription pid Process procid_target PID 3032 wrote to memory of 1164 3032 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe 30 PID 3032 wrote to memory of 1164 3032 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe 30 PID 3032 wrote to memory of 1164 3032 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe 30 PID 3032 wrote to memory of 1164 3032 4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe 30 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 756 1164 Amino.exe 32 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33 PID 1164 wrote to memory of 2924 1164 Amino.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe"C:\Users\Admin\AppData\Local\Temp\4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Roaming\Amino.exe"C:\Users\Admin\AppData\Roaming\Amino.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:756
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
103B
MD5da9067520dc0329ec76d937ee89d89d4
SHA168ff74b2c2b823e8fc2b10101166e5a5958ee793
SHA256e4afc677079e33557f8ac7b7fbd09e85b4e2589ed24a7667498557493e4e0894
SHA5123d046d1df7ca1dd17588302e3d8eb40244697d663ecc35a383a95f7849a1e502a61bff978665c616f1de76d20ec5b9b92c36bc20b126927702d10451f4b6e096
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
616KB
MD58c9614d97173e2afa602be50fccec1d0
SHA126790a2b3b7d21ed9303865e22edc66644545e3c
SHA2564a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8c
SHA5128db74b48149d94876cccd587a0c4d161095d3c79b17bb9af0f5601c24857644f1528c0121fd4b5e817c3184a4926dfae96561afb04a505555d5c6fc019c42fab