Analysis
- max time kernel
125s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
10/09/2024, 04:21
Static task
static1
Behavioral task
behavioral1
Sample
Q88_MT Carol 2024.09.10.doc.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Q88_MT Carol 2024.09.10.doc.scr.exe
Resource
win10v2004-20240802-en
General
- Target Q88_MT Carol 2024.09.10.doc.scr.exe
- Size 706KB
- Sample240910-eynvsswfrl
- SHA256 10eed1464345d7548cbbe6e76ece440f249d9daf5bf13f973f68136d986c7fe5
- MD5 ebd8cf9ed8dc76980f83ca9450f8fe3d
- SHA1 f593a2f10e321cf553363bad68da0ad7126b43aa
- SHA512 e899c095890d0798e092181860ec070c33ec2a051b8fe69c71683405b4faf157e1033164bc6ecc00197f48d1d7c16bcee7ff03c7a3d46eedf153492b0c110af3
- SSDEEP 12288:f6yeSVGuNmR7Mhk/dEZ7MadyfLDW6sPSP2A7quV8/7e/R8Di6A1A9:f61SVsRAgEpMasfLySPl7TV8/ip8DPG
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
ftp
-
Host
beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 4528 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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Q88_MT Carol 2024.09.10.doc.scr.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 23 api.ipify.org 24 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2936 set thread context of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 Q88_MT Carol 2024.09.10.doc.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Q88_MT Carol 2024.09.10.doc.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3016 Q88_MT Carol 2024.09.10.doc.scr.exe 3016 Q88_MT Carol 2024.09.10.doc.scr.exe 3016 Q88_MT Carol 2024.09.10.doc.scr.exe 4528 powershell.exe 4528 powershell.exe 4528 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3016 Q88_MT Carol 2024.09.10.doc.scr.exe Token: SeDebugPrivilege 4528 powershell.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2936 wrote to memory of 4528 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 102 PID 2936 wrote to memory of 4528 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 102 PID 2936 wrote to memory of 4528 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 102 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104 PID 2936 wrote to memory of 3016 2936 Q88_MT Carol 2024.09.10.doc.scr.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936 -
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\Q88_MT Carol 2024.09.10.doc.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4528
-
-
C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3016
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:81⤵PID:388
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
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Q88_MT Carol 2024.09.10.doc.scr.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_micr5sbz.bx3.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512