Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
12-09-2024 06:12
Static task
static1
Behavioral task
behavioral1
Sample
WOOYANG VENUS PARTICULARS.docx.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WOOYANG VENUS PARTICULARS.docx.scr.exe
Resource
win10v2004-20240910-en
General
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Target
WOOYANG VENUS PARTICULARS.docx.scr.exe
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Size
699KB
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MD5
ace395f2b26c4c2cacdac246367c2060
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SHA1
28a7e06e9c884a6bd19e2a72a707deddc926c8f7
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SHA256
c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85
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SHA512
38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be
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SSDEEP
12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5
Malware Config
Extracted
Protocol: ftp- Host:
beirutrest.com - Port:
21 - Username:
[email protected] - Password:
9yXQ39wz(uL+
Extracted
agenttesla
Protocol: ftp- Host:
ftp://beirutrest.com - Port:
21 - Username:
[email protected] - Password:
9yXQ39wz(uL+
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1660 powershell.exe -
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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation WOOYANG VENUS PARTICULARS.docx.scr.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
flow ioc 14 api.ipify.org 15 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2780 set thread context of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 -
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 3 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 WOOYANG VENUS PARTICULARS.docx.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WOOYANG VENUS PARTICULARS.docx.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5008 WOOYANG VENUS PARTICULARS.docx.scr.exe 5008 WOOYANG VENUS PARTICULARS.docx.scr.exe 1660 powershell.exe 1660 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5008 WOOYANG VENUS PARTICULARS.docx.scr.exe Token: SeDebugPrivilege 1660 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2780 wrote to memory of 1660 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 86 PID 2780 wrote to memory of 1660 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 86 PID 2780 wrote to memory of 1660 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 86 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88 PID 2780 wrote to memory of 5008 2780 WOOYANG VENUS PARTICULARS.docx.scr.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\WOOYANG VENUS PARTICULARS.docx.scr.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82