Analysis
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max time kernel
120s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
11-09-2024 01:50
General
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Target
rQUu2eHuvuSOA1L.exe
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Size
652KB
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MD5
999c2c940d0c49ab173cd107e6d5323c
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SHA1
8e14d16e2a7ca0e253203fbb9c44814d7ed6b3f4
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SHA256
3b318399e094b9024f2b6c8d92eff595a636b147b4bf240752e92a6bcd7b7fd8
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SHA512
5b3d480b1569a8780098cfe80a9ae3fda010d601979ed0973d1e86a1ee34003eedd21d5d1fe8c98fdba059da7ae7c6bd20f3c6cdbb309a2fc3c9e7d094e85d4d
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SSDEEP
12288:+SaxzV17d704jDHWOkAJbH4aQDbRE8hUrHmAxOqZysQpryO0Nsy9i72l:KzV1R7RH9kAZARUjSz3yOysykE
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
%qroUozO;(C2Rlyb
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
%qroUozO;(C2Rlyb - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
64KB
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Filesize
584KB
-
Filesize
40KB
-
Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
528KB
-
Filesize
624KB
-
Filesize
4KB
-
Filesize
5.6MB
-
Filesize
680KB
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Filesize
6.5MB
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Filesize
304KB
-
Filesize
7.7MB
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Filesize
6.2MB
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Filesize
7.7MB
-
Filesize
32KB
-
Filesize
136KB
-
Filesize
408KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
104KB
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Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
216KB
-
Filesize
200KB
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Filesize
652KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
56KB
-
Filesize
264KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
408KB
-
Filesize
320KB
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Filesize
7.7MB