Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
13-02-2024 08:14
General
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Target
98ec10aa5e7cc5e58ce7bc6c908dcb84.exe
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Size
567KB
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MD5
98ec10aa5e7cc5e58ce7bc6c908dcb84
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SHA1
4caa7291c2d8331093d174e5003e88a6b60766d1
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SHA256
74e4fd16559937ee0b609eb858531a442c7fac27651c6d9b5ffc262b7fe3dcd4
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SHA512
69039328090d9dc0140f7465b475ce6a38179564430dfd0eb78dbbe0c12d1fb110fcf2595dd08559d1a468e44ae6942a5fe678d101dc6c9ea467401c5fb60271
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SSDEEP
12288:Ejp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvX4xGV5H2uCRc:uxKWuCRcDhLkUmfZ7
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://srbizasrbe.org/ - Port:
21 - Username:
[email protected] - Password:
sync@#1235
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Drops file in Drivers directory 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\98ec10aa5e7cc5e58ce7bc6c908dcb84.exe"C:\Users\Admin\AppData\Local\Temp\98ec10aa5e7cc5e58ce7bc6c908dcb84.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\98ec10aa5e7cc5e58ce7bc6c908dcb84.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5c8656f8fadcab2a6fb0d8a06e0e9864a
SHA1d898d6c770706ced6deff9d4185638f947f3a250
SHA25605942d1ad6c18ee4f7233c3eb71f4c0b7ebe14b5689e0470a3884ee3fb4bd8df
SHA5129f4f87224351751900f4474e9af1696156faf7f847dd31dd69ba79143a6a3e4841556dd6ae67e1e219ad5d05c566b21eb16bfcecb94bddae30d0a4c551970f10
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
624KB
-
Filesize
592KB
-
Filesize
64KB
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Filesize
608KB
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Filesize
336KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
64KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
64KB
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Filesize
96KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
320KB
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Filesize
40KB
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Filesize
64KB
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Filesize
240KB