Analysis
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max time kernel
147s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 19:40
Static task
static1
Behavioral task
behavioral1
Sample
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe
Resource
win10v2004-20220901-en
General
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Target
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe
-
Size
2.3MB
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MD5
ee4547722e58379712291952c1d617cc
-
SHA1
631ebf3828e8875e0c79913ec337cd54b51b3f2f
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SHA256
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1
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SHA512
fa69be458190f9d6ca1ae505386c143210af379cdb7aacfa0467639541c8cd8762d30a36a71e1d696cf698ab60a7778267208e0c6c1f52e92bb8c517c6766b53
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SSDEEP
49152:Dkwkn9IMHeapbxue+1KTCS+b8MfCt0y/M8O7kG2Lrl23QHXYOZaPCS:AdnVtE9SxMLyUhkT43QHIxPC
Malware Config
Extracted
Protocol: ftp- Host:
50.87.151.103 - Port:
21 - Username:
simmhck@gatewayvpn.com - Password:
442442
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView C:\Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView C:\Users\Admin\AppData\Local\Temp\2528\2528.exe MailPassView behavioral1/memory/1772-65-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1772-66-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1772-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1772-71-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1772-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 11 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\2528\2528.exe WebBrowserPassView behavioral1/memory/1964-73-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1964-74-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1964-77-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1964-78-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1964-80-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 16 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft \Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft \Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft \Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\2528\2528.exe Nirsoft behavioral1/memory/1772-65-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1772-66-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1772-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1772-71-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1772-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1964-73-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1964-74-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1964-77-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1964-78-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1964-80-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
2528.exepid process 992 2528.exe -
Loads dropped DLL 4 IoCs
Processes:
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exepid process 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe -
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2528.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 2528.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 3 whatismyipaddress.com 5 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
2528.exedescription pid process target process PID 992 set thread context of 1772 992 2528.exe vbc.exe PID 992 set thread context of 1964 992 2528.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2528.exepid process 992 2528.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2528.exedescription pid process Token: SeDebugPrivilege 992 2528.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2528.exepid process 992 2528.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe2528.exedescription pid process target process PID 1048 wrote to memory of 992 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 2528.exe PID 1048 wrote to memory of 992 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 2528.exe PID 1048 wrote to memory of 992 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 2528.exe PID 1048 wrote to memory of 992 1048 fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe 2528.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1772 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe PID 992 wrote to memory of 1964 992 2528.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe"C:\Users\Admin\AppData\Local\Temp\fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2528\2528.exe"C:\Users\Admin\AppData\Local\Temp\2528\2528.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\holderwb.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\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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C:\Users\Admin\AppData\Local\Temp\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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\Users\Admin\AppData\Local\Temp\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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\Users\Admin\AppData\Local\Temp\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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\Users\Admin\AppData\Local\Temp\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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\Users\Admin\AppData\Local\Temp\2528\2528.exeFilesize
520KB
MD59d2416c9fc263fa42221e3a36c6e9aa1
SHA10862c1b71187846189ff7ef4d052e4304bfde1dc
SHA256834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130
SHA512dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81
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memory/992-59-0x0000000000000000-mapping.dmp
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memory/992-63-0x00000000744E0000-0x0000000074A8B000-memory.dmpFilesize
5.7MB
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memory/992-64-0x00000000744E0000-0x0000000074A8B000-memory.dmpFilesize
5.7MB
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memory/992-81-0x00000000021D5000-0x00000000021E6000-memory.dmpFilesize
68KB
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memory/992-70-0x00000000021D5000-0x00000000021E6000-memory.dmpFilesize
68KB
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memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/1772-65-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1772-71-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1772-72-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1772-69-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1772-66-0x0000000000411654-mapping.dmp
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memory/1964-73-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1964-74-0x0000000000442628-mapping.dmp
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memory/1964-77-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1964-78-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1964-80-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB