Analysis
-
max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
-
submitted
23-11-2022 12:58
General
-
Target
Q-105038 MR-47237 EL HOSS.exe
-
Size
572KB
-
MD5
e10777c560dcacc0537c588c2999bd7d
-
SHA1
127b2a6444a323070ec31643dabfa3803ffe2ec5
-
SHA256
5b72b74c569f9a1593b4bf313a02db7e10f9e8ffb5ed73ee73ed76b1c53ad13f
-
SHA512
9339898e57c77be6966a1cab1fb39860b720e762fabcbfc8c21ebf5d3995b4c907910536eb0415a404dce2e9d06dc5176d2ef6b8e1620370556798a7825eafb8
-
SSDEEP
12288:Ox3aWpUo67IMwM8yzwElEkj76s4DSABfUnNI1ic6DlQOys7OoG7P8M6cFmX3Z7i:l6s4DSuUNEiT5Fysy37PjF6l
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
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
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of SetThreadContext 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 11 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Q-105038 MR-47237 EL HOSS.exe"C:\Users\Admin\AppData\Local\Temp\Q-105038 MR-47237 EL HOSS.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nDSrYRJUqGxFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AF8.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\Q-105038 MR-47237 EL HOSS.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
-
Filesize
1KB
MD5a4b2830d1c3374b0eacc863977e6a0b5
SHA131be0c7de261a7aee0319f2b008b9f13945e3f27
SHA256ff6d2822e6826a2080bc6937b333c3d306bda1ef38935adab9d87a456b38c892
SHA5127f645603821a76bc8206629e0a004304744d13c976678e7cb402bd8d299aa3653d88320967418e395c9f28cd2034527c0c951f9c3ac5a9de1b66a8d11645e98b
-
-
Filesize
240KB
-
Filesize
408KB
-
Filesize
320KB
-
Filesize
600KB
-
Filesize
5.6MB
-
Filesize
584KB
-
Filesize
624KB
-
Filesize
40KB
-