Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 06:44
Static task
static1
Behavioral task
behavioral1
Sample
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe
Resource
win10v2004-20220901-en
General
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Target
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe
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Size
618KB
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MD5
fe5df3115727aecf9171de8c7641d06a
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SHA1
f1acf469fe015777fb5738c1ee9c783ae8f6dd73
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SHA256
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c
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SHA512
805368484e2069f8c0ecb7c887a8ebd02c96670656907808741ae503232ae510e5dd5a723356bcd94044bc91038142fc7f1483478e9347616eb0d461ba4cc638
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SSDEEP
12288:b+PMUL0xNH9unBDaFnvFP6l9SR05KDKXHRJQBKYSyqdo:SPMULQN48nJ6B5VHfIKYSzd
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3772-135-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/5024-139-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/5024-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/5024-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/5024-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3772-135-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/3928-145-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3928-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3928-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3928-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3928-151-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/3772-135-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/5024-139-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/5024-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/5024-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/5024-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3928-145-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3928-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3928-148-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3928-149-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3928-151-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Reads user/profile data of web browsers 2 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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.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 25 whatismyipaddress.com 27 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exef92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exedescription pid process target process PID 2620 set thread context of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 3772 set thread context of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 set thread context of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 3928 vbc.exe 3928 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exef92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exedescription pid process Token: SeDebugPrivilege 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe Token: SeDebugPrivilege 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exef92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exedescription pid process target process PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 2620 wrote to memory of 3772 2620 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 5024 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe PID 3772 wrote to memory of 3928 3772 f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe"C:\Users\Admin\AppData\Local\Temp\f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe"C:\Users\Admin\AppData\Local\Temp\f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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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⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f92b24de5929c588a9a88eb1c93e62f74195327a5f1ab5d19fbcea9533fbe65c.exe.logFilesize
496B
MD5cb76b18ebed3a9f05a14aed43d35fba6
SHA1836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA2568d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA5127631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/2620-133-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/2620-137-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/2620-132-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/3772-144-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/3772-134-0x0000000000000000-mapping.dmp
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memory/3772-135-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/3772-138-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/3928-145-0x0000000000000000-mapping.dmp
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memory/3928-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3928-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3928-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3928-151-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/5024-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/5024-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/5024-140-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/5024-139-0x0000000000000000-mapping.dmp