Analysis
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max time kernel
157s -
max time network
189s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 13:26
Static task
static1
Behavioral task
behavioral1
Sample
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe
Resource
win7-20221111-en
General
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Target
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe
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Size
679KB
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MD5
a55c7f3f1a773d7ec913460299b8f4b5
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SHA1
de5121270965181e3318774964c8862112f972fc
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SHA256
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578
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SHA512
f228abc3ac3dd091ac6ff2cf8d6c4eddf2344de767e4be3ab9e889187e461cec1d1b7af9d62dc180d1b23231fd2b81d51c41e79db7b1406eed63912258f6a609
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SSDEEP
12288:26m4U8qiqvbFtjabZbApi/lSDgqymdJOCzLrfZ00:yB8Pq5tOdbkysld4CC
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
kubczkdqutsmlkyl
Signatures
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NirSoft MailPassView 10 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1496-60-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1496-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1496-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1496-63-0x000000000047EA5E-mapping.dmp MailPassView behavioral1/memory/1496-65-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1496-67-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1692-73-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1692-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1692-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1692-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1496-60-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1496-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1496-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1496-63-0x000000000047EA5E-mapping.dmp WebBrowserPassView behavioral1/memory/1496-65-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1496-67-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral1/memory/1496-60-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1496-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1496-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1496-63-0x000000000047EA5E-mapping.dmp Nirsoft behavioral1/memory/1496-65-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1496-67-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1692-73-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1692-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1692-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1692-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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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 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exeaa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exedescription pid process target process PID 1152 set thread context of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1496 set thread context of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exeaa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exedescription pid process Token: SeDebugPrivilege 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe Token: SeDebugPrivilege 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exepid process 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exeaa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exedescription pid process target process PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1152 wrote to memory of 1496 1152 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe PID 1496 wrote to memory of 1692 1496 aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1496 -
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:1692