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Analysis
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max time kernel
139s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
11/10/2023, 20:36
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.13899.exe
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Size
615KB
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MD5
ace4fe25d9a311eb76341e8852a27471
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SHA1
5b1218f378fee6fd959f78b11849fb081204bce6
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SHA256
528aceae347b69455dfb59afd54770e03a3ff27a7c3b38f0cbe79ffb4b317ffa
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SHA512
8d404f5b9f27bd57f81c6c3f11d1b635c1d6ef9aba0d879e4becfbdf21110330ef45a572dbce5d44def31fff39e03fa3b205e2af7523d7e7f54759ef5e5b8297
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SSDEEP
12288:HT725l3XhcHyUZvKD+BHhE1bVhW2UZlre/TYWh/gOw:GD3RcpZQ+ByLhWJxsTYOY
Malware Config
Extracted
Protocol: smtp- Host:
mail.tecnosilos.com.py - Port:
587 - Username:
[email protected] - Password:
;.%^d08lQM@D
Extracted
agenttesla
Protocol: smtp- Host:
mail.tecnosilos.com.py - Port:
587 - Username:
[email protected] - Password:
;.%^d08lQM@D - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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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 13 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 17 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\SecuriteInfo.com.Win32.PWSX-gen.13899.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13899.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13899.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\dWwYUuIKtfjK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dWwYUuIKtfjK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13899.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13899.exe"2⤵
- 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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54007edcb1a7324f5d92febdc2b292c6c
SHA159dcca7ddf3bb2523579e65ae7f29a33870561a7
SHA256b4ab2cc01706c338d54ac91c37b5e6fbe22733bf8b1b5111976eff49ccc6cb8c
SHA512721b38ada46349c459214f5f3395d34d8d0cd72387efe6e54fd8193f1d41fa05c87bb866f4d1d8c82aeb4302f1cd9e31bfb9d3e9b21294b550bb89985de953ee
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Filesize
600KB
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Filesize
7.7MB
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Filesize
652KB
-
Filesize
200KB
-
Filesize
64KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
408KB
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Filesize
7.7MB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
104KB
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Filesize
64KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
320KB
-
Filesize
272KB
-
Filesize
7.7MB
-
Filesize
504KB
-
Filesize
48KB
-
Filesize
64KB
-
Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
64KB
-
Filesize
40KB
-
Filesize
64KB
-
Filesize
584KB
-
Filesize
5.6MB
-
Filesize
632KB
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Filesize
7.7MB
-
Filesize
624KB
-
Filesize
120KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
304KB
-
Filesize
68KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
56KB
-
Filesize
80KB
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Filesize
6.2MB
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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
7.7MB
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Filesize
216KB