Analysis
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max time kernel
143s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 15:32
Static task
static1
Behavioral task
behavioral1
Sample
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe
Resource
win10v2004-20220812-en
General
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Target
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe
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Size
1.3MB
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MD5
b5443ca7d9545d8526324ae29767ce75
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SHA1
b578e2dd25c5126bed7a41e070c7f0df0393dd21
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SHA256
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019
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SHA512
171e1f97eafc0f5789666c8ad2218326af477be74bbf8c7ebcc2b4cf851e5bf0c99039d8c3bf16f587574a0a6b2488d498a6fca331d3588c2ed037538d96fc2f
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SSDEEP
24576:YqQu0RLMFDEjspAv7nHnaYOpdCG/7qUSb3sh7XIfTzzWjU7wSmq:YqQu7FKspI7HaYO+bbb6EhPmq
Malware Config
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1836-60-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1836-62-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1836-63-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1836-64-0x00000000004859AE-mapping.dmp MailPassView behavioral1/memory/1836-67-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1836-69-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral1/memory/1056-76-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1056-75-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1056-79-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1056-81-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1056-82-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1836-60-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1836-62-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1836-63-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1836-64-0x00000000004859AE-mapping.dmp WebBrowserPassView behavioral1/memory/1836-67-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1836-69-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral1/memory/1316-83-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1316-84-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1316-87-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1316-88-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
Processes:
resource yara_rule behavioral1/memory/1836-60-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1836-62-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1836-63-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1836-64-0x00000000004859AE-mapping.dmp Nirsoft behavioral1/memory/1836-67-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1836-69-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral1/memory/1056-76-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1056-75-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1056-79-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1056-81-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1056-82-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1316-83-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1316-84-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1316-87-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1316-88-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
notepad .exepid process 1836 notepad .exe -
Loads dropped DLL 1 IoCs
Processes:
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exepid process 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.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-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\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 3 whatismyipaddress.com 5 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exenotepad .exedescription pid process target process PID 1980 set thread context of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1836 set thread context of 1056 1836 notepad .exe vbc.exe PID 1836 set thread context of 1316 1836 notepad .exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exenotepad .exepid process 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe 1836 notepad .exe 1836 notepad .exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exenotepad .exedescription pid process Token: SeDebugPrivilege 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe Token: 33 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe Token: SeIncBasePriorityPrivilege 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe Token: SeDebugPrivilege 1836 notepad .exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
notepad .exepid process 1836 notepad .exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exenotepad .exedescription pid process target process PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1980 wrote to memory of 1836 1980 8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe notepad .exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1056 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe PID 1836 wrote to memory of 1316 1836 notepad .exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe"C:\Users\Admin\AppData\Local\Temp\8c5dddaefb9ddd900bd5f4231783c4b14f4af4f456e53f1ae52d2a9e5f77f019.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980 -
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
PID:1836 -
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:1056
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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⤵PID:1316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9
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Filesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9
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Filesize
52KB
MD5278edbd499374bf73621f8c1f969d894
SHA1a81170af14747781c5f5f51bb1215893136f0bc0
SHA256c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391
SHA51293b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9