Analysis
- max time kernel
134s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
22/05/2024, 01:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ASCD0001 INQ9829.......pdf.exe
Resource
win7-20240221-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
ASCD0001 INQ9829.......pdf.exe
Resource
win10v2004-20240426-en
13 signatures
150 seconds
General
- Target ASCD0001 INQ9829.......pdf.exe
- Size 690KB
- Sample240522-bfmy1aff4t
- SHA256 60f8730d4f9a82bdecf943fe5225986638b26f3c1b1807db2308f4a741818f09
- MD5 f26e3bcfe720decc27e314bcd3ed2bde
- SHA1 d14fb0d07eac97c8c9cd8eb8bfff724faf61ced3
- SHA512 3eebd9279ceeb5c02d0498fb8e7be5a856134d24d02cc719f9646433009a790b862a4bbec14399b9af614954ea470d36281c95191112e5fe20c0aa54f8e2b977
- SSDEEP 12288:9lfx504bFo6XnmRqfTjvFiVMJklKRBg833kiu3r2V7ojo2HEiTLkV:Pfw4b1XnVdZ2eBg83UisAoj1HqV
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.hsbv1.nl
-
Port
587
-
Username
-
Password
xdDPyH(8
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ASCD0001 INQ9829.......pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ASCD0001 INQ9829.......pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ASCD0001 INQ9829.......pdf.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 34 api.ipify.org 35 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 996 set thread context of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 996 ASCD0001 INQ9829.......pdf.exe 1896 ASCD0001 INQ9829.......pdf.exe 1896 ASCD0001 INQ9829.......pdf.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 996 ASCD0001 INQ9829.......pdf.exe Token: SeDebugPrivilege 1896 ASCD0001 INQ9829.......pdf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 PID 996 wrote to memory of 1896 996 ASCD0001 INQ9829.......pdf.exe 98 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ASCD0001 INQ9829.......pdf.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ASCD0001 INQ9829.......pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ASCD0001 INQ9829.......pdf.exe"C:\Users\Admin\AppData\Local\Temp\ASCD0001 INQ9829.......pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Users\Admin\AppData\Local\Temp\ASCD0001 INQ9829.......pdf.exe"C:\Users\Admin\AppData\Local\Temp\ASCD0001 INQ9829.......pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1896
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ASCD0001 INQ9829.......pdf.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512