Analysis
-
max time kernel
118s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 19:48
Static task
static1
Behavioral task
behavioral1
Sample
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe
Resource
win10v2004-20221111-en
General
-
Target
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe
-
Size
540KB
-
MD5
f2571f7e309c77d1bf9c042fdbb0fd43
-
SHA1
2e6b1ceaa2d9febaf3a174c16cc946a53a618d1c
-
SHA256
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643
-
SHA512
58e3a48e07740a1c041c7e15fcb110583e44def278d696fa3fc5ef5c66ec80c4d488459d7582b6bfc501a410b4294651189ac7efd82bc07284a1ab8c748b7c51
-
SSDEEP
12288:I6Jq+QtqB5urTIoYWBQk1E+VF9mOx9E1O:pQtqBorTlYWBhE+V3mO
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
qwerty@12345
Signatures
-
NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1008-58-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1008-57-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1008-61-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1008-63-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1008-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1084-64-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1084-65-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1084-68-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1084-69-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1084-70-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral1/memory/1008-58-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1008-57-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1008-61-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1008-63-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1084-64-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1084-65-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1084-68-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1084-69-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1084-70-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1008-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.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 2 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exedescription pid process target process PID 2016 set thread context of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 set thread context of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exepid process 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exedescription pid process Token: SeDebugPrivilege 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exepid process 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exedescription pid process target process PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1008 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe PID 2016 wrote to memory of 1084 2016 c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe"C:\Users\Admin\AppData\Local\Temp\c07da50d1493840d29d161cc24f5e03e73ff63348c5445cd5e5aa6cced921643.exe"1⤵
- 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:2016 -
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⤵
- Accesses Microsoft Outlook accounts
PID:1008 -
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⤵PID:1084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
-
memory/1008-63-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/1008-72-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/1008-58-0x0000000000411654-mapping.dmp
-
memory/1008-57-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/1008-61-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/1084-64-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1084-65-0x0000000000442628-mapping.dmp
-
memory/1084-68-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1084-69-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1084-70-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/2016-62-0x00000000001A5000-0x00000000001B6000-memory.dmpFilesize
68KB
-
memory/2016-54-0x00000000760C1000-0x00000000760C3000-memory.dmpFilesize
8KB
-
memory/2016-56-0x00000000742E0000-0x000000007488B000-memory.dmpFilesize
5.7MB
-
memory/2016-55-0x00000000742E0000-0x000000007488B000-memory.dmpFilesize
5.7MB
-
memory/2016-73-0x00000000001A5000-0x00000000001B6000-memory.dmpFilesize
68KB