Analysis
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max time kernel
92s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/09/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe
Resource
win10v2004-20240802-en
General
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Target
ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe
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Size
1.1MB
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MD5
dc66065b63d8db1ea7c2c27cabc8bc00
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SHA1
a22be27964c09e598dd225906051f35e27b05500
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SHA256
ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559
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SHA512
e960b5a2c7ae2ad0803fb7adf8bfc5ed8191ed2d72a8f27b92642a50d1b860587258b0d8d66fde80de8c850ffca0d20f629cca9c061256d5256d04eea2bcd306
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SSDEEP
24576:7hntGx9yVf41ob4s6ABttGZOATIZXTnR13tL:VtGZ1oEEbG8xXjJ
Malware Config
Extracted
Protocol: smtp- Host:
smtp.zoho.com - Port:
587 - Username:
[email protected] - Password:
Diego1986
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/2904-37-0x0000000000940000-0x00000000009C4000-memory.dmp Nirsoft behavioral2/memory/2904-39-0x0000000000940000-0x00000000009C4000-memory.dmp Nirsoft behavioral2/memory/2904-38-0x0000000000940000-0x00000000009C4000-memory.dmp Nirsoft behavioral2/memory/1392-48-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1392-49-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1392-50-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4508-52-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4508-53-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4508-59-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2904-37-0x0000000000940000-0x00000000009C4000-memory.dmp MailPassView behavioral2/memory/2904-39-0x0000000000940000-0x00000000009C4000-memory.dmp MailPassView behavioral2/memory/2904-38-0x0000000000940000-0x00000000009C4000-memory.dmp MailPassView behavioral2/memory/1392-48-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1392-49-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1392-50-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2904-37-0x0000000000940000-0x00000000009C4000-memory.dmp WebBrowserPassView behavioral2/memory/2904-39-0x0000000000940000-0x00000000009C4000-memory.dmp WebBrowserPassView behavioral2/memory/2904-38-0x0000000000940000-0x00000000009C4000-memory.dmp WebBrowserPassView behavioral2/memory/4508-52-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4508-53-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4508-59-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe -
Executes dropped EXE 2 IoCs
pid Process 3920 magert.exe 2904 magert.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 37 whatismyipaddress.com 39 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3920 set thread context of 2904 3920 magert.exe 91 PID 2904 set thread context of 1392 2904 magert.exe 92 PID 2904 set thread context of 4508 2904 magert.exe 93 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 3920 magert.exe 3920 magert.exe 3920 magert.exe 3920 magert.exe 3920 magert.exe 3920 magert.exe 4508 vbc.exe 4508 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe Token: SeDebugPrivilege 3920 magert.exe Token: SeDebugPrivilege 2904 magert.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2904 magert.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1660 wrote to memory of 3920 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 88 PID 1660 wrote to memory of 3920 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 88 PID 1660 wrote to memory of 3920 1660 ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe 88 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 3920 wrote to memory of 2904 3920 magert.exe 91 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 1392 2904 magert.exe 92 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93 PID 2904 wrote to memory of 4508 2904 magert.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe"C:\Users\Admin\AppData\Local\Temp\ca2bc9ebe51a9e0b495f2a5679e7643dfe568796e1a92144941c3d1efc63c559N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2904 -
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"4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1392
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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"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
526B
MD50b25f9f358a722369479cecdb0bfdfd4
SHA10e5e586dc2387f8492dc7bb8b9ba17cce90ba6fb
SHA25697e51099c3c8b24d92ae0f8c0241b3477e52127f0da5f89175c56abc202196c7
SHA5125f91fcd8822aa8e74566dc4b89af55e9f539aab19dc11cb450c13baa846e494b9f27954cce8626c867177b43e76be03a631c58e29be41b7bdad61576f5b8378b
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
1.1MB
MD50d28438f47220efe7076e68bd0bbc5cf
SHA1108fcd68f21b80818a4395edf6f3973488d36d5e
SHA2566cf8bc5828d6fc75ae705cd72459af38b4551cc58b2f7a3d77f4121478c5c5ab
SHA512717509b883157827ab1985a9c2c4407bc18f7aa73b388b4f7b5905553309d9299888883e97a45133cd883154a208c7f85ebeefeb848d326f8d1a30854f412efa