Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 17:55
Static task
static1
Behavioral task
behavioral1
Sample
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Resource
win10v2004-20231127-en
General
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Target
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
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Size
842KB
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MD5
f918266716676393150c923659f80e79
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SHA1
24083ba3b3ef71e4e4999c19bfcdd79046db54dd
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SHA256
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959
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SHA512
72ea1edef4480c046800d69deab32b1a40b3443dd4dd0a5c1ab00e971eb1dcbc34434501eea97c574e8d7510efc9ee75cd75b4b4c189da47439e917c20b3d477
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SSDEEP
24576:N0pk+pJIdmMDwTWHfCn5/KzyXEHSVq51:aFJIdmMDwTWHfCn5CGG
Malware Config
Extracted
Protocol: smtp- Host:
mail.telefoonreparatiebovenkarspel.nl - Port:
587 - Username:
[email protected] - Password:
Madarjan007!
Extracted
agenttesla
Protocol: smtp- Host:
mail.telefoonreparatiebovenkarspel.nl - Port:
587 - Username:
[email protected] - Password:
Madarjan007! - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.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.
Processes:
flow ioc 49 api.ipify.org 50 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription pid process target process PID 2196 set thread context of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exeb4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exepid process 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe 4068 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe 4068 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exeb4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription pid process Token: SeDebugPrivilege 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe Token: SeDebugPrivilege 4068 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exepid process 4068 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription pid process target process PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe PID 2196 wrote to memory of 4068 2196 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
outlook_office_path 1 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe -
outlook_win_path 1 IoCs
Processes:
b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3