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Analysis
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max time kernel
119s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/03/2024, 12:14
Static task
static1
Behavioral task
behavioral1
Sample
ddfc57b8fd3e5e0f81dee8ead0e38518.exe
Resource
win7-20240221-en
General
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Target
ddfc57b8fd3e5e0f81dee8ead0e38518.exe
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Size
964KB
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MD5
ddfc57b8fd3e5e0f81dee8ead0e38518
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SHA1
ca35000ed1844f30e932d8903633e4beb519967f
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SHA256
c1cd0692836798f5cb7e9335f4547a2650b77cf456193cbe7e384906a20c0603
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SHA512
083bc3c27ddefbf541b91ef71728a2e3831563be171f4d7ca63dea9e04357533d2bf345c7ccdced551cc8220826d79f894b43f1de2ae8d3fd17a39c1bf838fcc
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SSDEEP
12288:MeTvtJpA3OXv2BFokZRhXQ5TZaRPlPO0E09wrp:MeDtJSO/2ffxA5TZaP20Eh9
Malware Config
Signatures
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NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2584-10-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2584-11-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2584-14-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2584-16-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2584-18-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2708-25-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2708-28-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2708-29-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2708-30-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 9 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2584-10-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2584-11-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2584-14-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2584-16-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2584-18-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2032-32-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2032-34-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2032-36-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2032-39-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 13 IoCs
resource yara_rule behavioral1/memory/2584-10-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2584-11-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2584-14-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2584-16-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2584-18-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2708-25-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2708-28-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2708-29-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2708-30-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2032-32-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2032-34-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2032-36-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2032-39-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\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.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 860 set thread context of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 2584 set thread context of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 set thread context of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 860 wrote to memory of 2584 860 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 30 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2708 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 32 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33 PID 2584 wrote to memory of 2032 2584 ddfc57b8fd3e5e0f81dee8ead0e38518.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\ddfc57b8fd3e5e0f81dee8ead0e38518.exe"C:\Users\Admin\AppData\Local\Temp\ddfc57b8fd3e5e0f81dee8ead0e38518.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Users\Admin\AppData\Local\Temp\ddfc57b8fd3e5e0f81dee8ead0e38518.exe"C:\Users\Admin\AppData\Local\Temp\ddfc57b8fd3e5e0f81dee8ead0e38518.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
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:2708
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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:2032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84