Analysis
-
max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2023 08:03
Static task
static1
Behavioral task
behavioral1
Sample
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe
Resource
win7-20230831-en
General
-
Target
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe
-
Size
505KB
-
MD5
c3564cf4b0455ffab930884b3e81626b
-
SHA1
ebfdbbc304368f44aed3ab69d609f7965fdf4021
-
SHA256
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd
-
SHA512
3f69ab1622b9a558e3f37fc677d21223dee21e3f8f5af16367b437d73219eb51328d18cd9b1eca2437aa12da37ddf45d3e46544b0e500010a9389b4d797a9bfb
-
SSDEEP
6144:IR3bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9SRI:K3QtqB5urTIoYWBQk1E+VF9mOx9Z
Malware Config
Signatures
-
NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/1044-6-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1044-8-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1044-9-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1044-11-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4928-15-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4928-17-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4928-18-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4928-25-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1044-6-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1044-8-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1044-9-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1044-11-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4928-15-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4928-17-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4928-18-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4928-25-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.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 25 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exedescription pid process target process PID 5116 set thread context of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 set thread context of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exe6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exepid process 4928 vbc.exe 4928 vbc.exe 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exedescription pid process Token: SeDebugPrivilege 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exepid process 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exedescription pid process target process PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 1044 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe PID 5116 wrote to memory of 4928 5116 6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe"C:\Users\Admin\AppData\Local\Temp\6e4fa5f776b899d3d3d0cc1da69ff6165aefafd46f70ddb55399c73ba6f965cd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5116 -
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:1044
-
-
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
PID:4928
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196