Analysis
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max time kernel
143s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-01-2021 13:01
Static task
static1
Behavioral task
behavioral1
Sample
PO 2010029_pdf Quotation from Alibaba Ale.exe
Resource
win7v20201028
General
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Target
PO 2010029_pdf Quotation from Alibaba Ale.exe
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Size
1.0MB
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MD5
eb59d99961c7636b4872e389da03cbc9
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SHA1
22d5fb0f076a0d945596b7938e72b6b5cae73674
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SHA256
4dd89aea31cfb64c8fa6b542c9ad002e4041ef5249f2072947df749e00e7fd9e
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SHA512
6d062b65284df0f4ce5845b8730ac6adf46759af5f35e3bde86a609bce9ff0d5846fbe2d30864e411b695d774b6f6903d558e42f067c44817e3421cd5d41b256
Malware Config
Extracted
Protocol: smtp- Host:
outback.websitewelcome.com - Port:
587 - Username:
[email protected] - Password:
uDA9jC4eZmuj
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4808-2-0x0000000000400000-0x0000000000499000-memory.dmp MailPassView behavioral2/memory/368-10-0x0000000000411654-mapping.dmp MailPassView behavioral2/memory/368-9-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/368-11-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4808-2-0x0000000000400000-0x0000000000499000-memory.dmp WebBrowserPassView behavioral2/memory/1188-12-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1188-13-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral2/memory/1188-14-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4808-2-0x0000000000400000-0x0000000000499000-memory.dmp Nirsoft behavioral2/memory/368-10-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/368-9-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/368-11-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1188-12-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1188-13-0x0000000000442628-mapping.dmp Nirsoft behavioral2/memory/1188-14-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO 2010029_pdf Quotation from Alibaba Ale.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" PO 2010029_pdf Quotation from Alibaba Ale.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
PO 2010029_pdf Quotation from Alibaba Ale.exedescription pid process target process PID 4808 set thread context of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 set thread context of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exePO 2010029_pdf Quotation from Alibaba Ale.exepid process 1188 vbc.exe 1188 vbc.exe 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO 2010029_pdf Quotation from Alibaba Ale.exedescription pid process Token: SeDebugPrivilege 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
PO 2010029_pdf Quotation from Alibaba Ale.exedescription pid process target process PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 368 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe PID 4808 wrote to memory of 1188 4808 PO 2010029_pdf Quotation from Alibaba Ale.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 2010029_pdf Quotation from Alibaba Ale.exe"C:\Users\Admin\AppData\Local\Temp\PO 2010029_pdf Quotation from Alibaba Ale.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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"2⤵
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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"2⤵
- 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\Temp\holderwb.txtMD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/368-10-0x0000000000411654-mapping.dmp
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memory/368-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/368-9-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1188-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1188-13-0x0000000000442628-mapping.dmp
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memory/1188-12-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4808-5-0x000000001AD32000-0x000000001AD34000-memory.dmpFilesize
8KB
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memory/4808-8-0x000000001AD3B000-0x000000001AD3D000-memory.dmpFilesize
8KB
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memory/4808-7-0x000000001AD38000-0x000000001AD39000-memory.dmpFilesize
4KB
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memory/4808-6-0x000000001AD37000-0x000000001AD38000-memory.dmpFilesize
4KB
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memory/4808-2-0x0000000000400000-0x0000000000499000-memory.dmpFilesize
612KB
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memory/4808-4-0x000000001AD31000-0x000000001AD32000-memory.dmpFilesize
4KB
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memory/4808-3-0x000000001AD30000-0x000000001AD31000-memory.dmpFilesize
4KB