Analysis
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max time kernel
142s -
max time network
152s -
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 07:11
Static task
static1
Behavioral task
behavioral1
Sample
SWFT-MT-103-8146735-PDF.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SWFT-MT-103-8146735-PDF.exe
Resource
win10v2004-20231127-en
General
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Target
SWFT-MT-103-8146735-PDF.exe
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Size
696KB
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MD5
eae5575afd765d679ea1a05bb4baae43
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SHA1
7cdbf3550b3ecda84b1ece2beff680a2e5cc6e5b
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SHA256
5c0379a54fc0effe3a56e4d5fb623f8ac3e711da65434d7a22f9fa7e55758460
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SHA512
d45b4adad7fc31e74e0e187311276d2fdcd95988c5a57bb4a4fadf79a22f4ddba395af643d5612686112ccd17e33482ce7c9bff4835aeee7fdf75df027041a9c
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SSDEEP
12288:9ll5nF8bVdqrlb/9W0ri8DKYxT5buy8R0BNyQ+lvcjAsxyRr7wvh:7luqhb06DKYV5CTR0BgQ6XSyuJ
Malware Config
Extracted
Protocol: smtp- Host:
mail.webdnes.cz - Port:
587 - Username:
[email protected] - Password:
knihakniha
Extracted
agenttesla
Protocol: smtp- Host:
mail.webdnes.cz - Port:
587 - Username:
[email protected] - Password:
knihakniha - 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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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 52 api.ipify.org 53 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SWFT-MT-103-8146735-PDF.exedescription pid process target process PID 4304 set thread context of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SWFT-MT-103-8146735-PDF.exepid process 1776 SWFT-MT-103-8146735-PDF.exe 1776 SWFT-MT-103-8146735-PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SWFT-MT-103-8146735-PDF.exedescription pid process Token: SeDebugPrivilege 1776 SWFT-MT-103-8146735-PDF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
SWFT-MT-103-8146735-PDF.exedescription pid process target process PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe PID 4304 wrote to memory of 1776 4304 SWFT-MT-103-8146735-PDF.exe SWFT-MT-103-8146735-PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3