Analysis
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max time kernel
70s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 16:26
Static task
static1
Behavioral task
behavioral1
Sample
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe
Resource
win10v2004-20220812-en
General
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Target
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe
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Size
1.2MB
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MD5
55a6bffc579c687d4a0b6ca8b3df32e7
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SHA1
85e94d2ccfc7fb555ecc078436dbdfa152fdab34
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SHA256
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166
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SHA512
a393bd97d2f9183bcc5c307854dd20db8e2b3c12ee866696a31755f8ca503c664e20889c8b6a0db31f0a299cfc151a7d5afa6c6c925b641aa9be670352b8cde9
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SSDEEP
24576:UfLlKgAD4q6aeQSG06sRfpf9Bcb2THYckvhQtC9:UfgD7F7060xfDcb2rYZZn9
Malware Config
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1372-62-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1372-63-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1372-64-0x00000000004859AE-mapping.dmp MailPassView behavioral1/memory/1372-67-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1372-69-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/840-75-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/840-76-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/840-79-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/840-81-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/840-91-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 11 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1372-62-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1372-63-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1372-64-0x00000000004859AE-mapping.dmp WebBrowserPassView behavioral1/memory/1372-67-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1372-69-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/640-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/640-83-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/640-86-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/640-87-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/640-89-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1372-62-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1372-63-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1372-64-0x00000000004859AE-mapping.dmp Nirsoft behavioral1/memory/1372-67-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1372-69-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/840-75-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/840-76-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/840-79-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/840-81-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/640-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/640-83-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/640-86-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/640-87-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/640-89-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/840-91-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
notepad .exepid process 1372 notepad .exe -
Loads dropped DLL 1 IoCs
Processes:
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exepid process 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe -
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
notepad .exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" notepad .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:
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exenotepad .exedescription pid process target process PID 1748 set thread context of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1372 set thread context of 840 1372 notepad .exe vbc.exe PID 1372 set thread context of 640 1372 notepad .exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exenotepad .exepid process 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe 1372 notepad .exe 1372 notepad .exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exenotepad .exedescription pid process Token: SeDebugPrivilege 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe Token: 33 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe Token: SeIncBasePriorityPrivilege 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe Token: SeDebugPrivilege 1372 notepad .exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
notepad .exepid process 1372 notepad .exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exenotepad .exedescription pid process target process PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1748 wrote to memory of 1372 1748 2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe notepad .exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 840 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe PID 1372 wrote to memory of 640 1372 notepad .exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe"C:\Users\Admin\AppData\Local\Temp\2d3ea48fcc27e2593e625504c4a755d62b9d1dee51623b3c52846007b54cf166.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\notepad .exe"C:\Users\Admin\AppData\Local\Temp\notepad .exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\holdermail.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Local\Temp\notepad .exeFilesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9
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C:\Users\Admin\AppData\Local\Temp\notepad .exeFilesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9
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\Users\Admin\AppData\Local\Temp\notepad .exeFilesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9
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memory/640-86-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/640-87-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/640-83-0x0000000000442628-mapping.dmp
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memory/640-89-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/640-82-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/840-75-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/840-81-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/840-79-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/840-91-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/840-76-0x0000000000411654-mapping.dmp
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memory/1372-63-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-64-0x00000000004859AE-mapping.dmp
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memory/1372-90-0x00000000009D5000-0x00000000009E6000-memory.dmpFilesize
68KB
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memory/1372-72-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/1372-69-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-80-0x00000000009D5000-0x00000000009E6000-memory.dmpFilesize
68KB
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memory/1372-67-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-74-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/1372-57-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-62-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-60-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1372-58-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/1748-54-0x0000000076381000-0x0000000076383000-memory.dmpFilesize
8KB
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memory/1748-73-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/1748-55-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB