Analysis
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max time kernel
120s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
07-12-2023 02:32
General
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Target
52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe
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Size
698KB
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MD5
ce4f82ea86dccea9f893e9c43331bc05
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SHA1
ed80f204a14d5617c96b4e6f973732d3e713167c
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SHA256
52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043
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SHA512
e408275f49a373535132530cdc0a3e153eb6fbbda7ec6ccbb2f5dcfeefe024531dbfc1efafa96c67fe77064a5ab73b09e0763a91d8defc28d0b575faed1b95d3
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SSDEEP
12288:xueH5qCnsf5EBEvzE/ZAhDNuzvNf+RqRkvODJ15r6VzPKNOlwvxHhu:/qCsf5EByzE/SQ5ChvODJYKN8aRh
Malware Config
Extracted
Protocol: smtp- Host:
smtp.boyeucarbon.com - Port:
587 - Username:
[email protected] - Password:
investment123
Extracted
agenttesla
Protocol: smtp- Host:
smtp.boyeucarbon.com - Port:
587 - Username:
[email protected] - Password:
investment123 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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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.
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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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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yyBhZiuHkakHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8EE2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"C:\Users\Admin\AppData\Local\Temp\52dccc56c35543b98a54b72e9b4c68e2626cfb8cf089a22b8707bddf68466043.exe"2⤵
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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\Roaming\yyBhZiuHkakHJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51504be30ea04f5e091fe2ac03bdadc7a
SHA113baf62f38b349adc4264833e176daa5a263bcbb
SHA2566979a402781eebaf634d4ebaf9f7130ab72fbd9c2add8edd64153f9ad394e775
SHA5126b29a372f44cea882eee4c04561f249d5b728f2789dc48daee6356e5b6aac5ed744e7debb631257588f20083594a98cea6862913e24f65af8bb9e3aed1a16fb8
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Filesize
304KB
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Filesize
40KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
80KB
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Filesize
32KB
-
Filesize
104KB
-
Filesize
56KB
-
Filesize
64KB
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Filesize
68KB
-
Filesize
600KB
-
Filesize
200KB
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Filesize
64KB
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Filesize
216KB
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Filesize
408KB
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Filesize
6.5MB
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Filesize
136KB
-
Filesize
104KB
-
Filesize
120KB
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Filesize
304KB
-
Filesize
120KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
652KB
-
Filesize
3.3MB
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Filesize
7.7MB
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Filesize
720KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
5.6MB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
40KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
624KB
-
Filesize
496KB
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Filesize
264KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
408KB
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Filesize
320KB
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Filesize
7.7MB