Analysis
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max time kernel
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max time network
135s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
30-12-2023 11:52
Static task
static1
Behavioral task
behavioral1
Sample
179b219afa2ac15b14affd399273148b.exe
Resource
win7-20231129-en
General
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Target
179b219afa2ac15b14affd399273148b.exe
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Size
700KB
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MD5
179b219afa2ac15b14affd399273148b
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SHA1
00c21b3b3400b2296d773966630f5a2a9f325652
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SHA256
590397ffebbc978f25e3d0c1faefcd710a6321884f1155f450f148e1fee3062b
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SHA512
1ae8c495c1394b6e79887f481699f6b00f9f9209df5beb5732f12bb6adbbc702ade681db5a980d11818621ad5bfaebb16ace58141dd9e4470766fa60cfe8d560
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SSDEEP
12288:qFDv2ytr/45N0jZ3D3seqRxQaB7tOHoUvBK:qFyyBQiB3zq3Qu7tOBw
Malware Config
Signatures
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NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2564-7-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2564-15-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2564-13-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2564-11-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2564-8-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2232-22-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2232-25-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2232-24-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2232-27-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2564-7-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2564-15-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2564-13-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2564-11-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2564-8-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1864-28-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1864-34-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1864-30-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2564-7-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2564-15-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2564-13-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2564-11-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2564-8-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2232-22-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2232-25-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2232-24-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2232-27-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1864-28-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1864-34-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1864-30-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
179b219afa2ac15b14affd399273148b.exe179b219afa2ac15b14affd399273148b.exedescription pid process target process PID 2964 set thread context of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2564 set thread context of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 set thread context of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
179b219afa2ac15b14affd399273148b.exepid process 2564 179b219afa2ac15b14affd399273148b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
179b219afa2ac15b14affd399273148b.exe179b219afa2ac15b14affd399273148b.exedescription pid process Token: SeDebugPrivilege 2964 179b219afa2ac15b14affd399273148b.exe Token: SeDebugPrivilege 2564 179b219afa2ac15b14affd399273148b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
179b219afa2ac15b14affd399273148b.exepid process 2564 179b219afa2ac15b14affd399273148b.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
179b219afa2ac15b14affd399273148b.exe179b219afa2ac15b14affd399273148b.exedescription pid process target process PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2964 wrote to memory of 2564 2964 179b219afa2ac15b14affd399273148b.exe 179b219afa2ac15b14affd399273148b.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 2232 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe PID 2564 wrote to memory of 1864 2564 179b219afa2ac15b14affd399273148b.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\179b219afa2ac15b14affd399273148b.exe"C:\Users\Admin\AppData\Local\Temp\179b219afa2ac15b14affd399273148b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\179b219afa2ac15b14affd399273148b.exe"C:\Users\Admin\AppData\Local\Temp\179b219afa2ac15b14affd399273148b.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2564 -
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
PID:2232
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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⤵PID:1864
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