Analysis
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max time kernel
138s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
07-12-2023 14:20
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe
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Size
778KB
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MD5
b804ab53568da077d7b0e06d513c5b0a
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SHA1
8d9a780613e7e085d1a061289b173b78338281a6
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SHA256
62f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39
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SHA512
42a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498
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SSDEEP
24576:fcK/7IWyO2s0cYtMmKgTW+XGXZmEypIovV1:fcs757pRYh/uXN8
Malware Config
Extracted
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - 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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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 WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.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\Roaming\lDOyEfxyOZ.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\lDOyEfxyOZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBC5.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
MD5c55dcf9840232e03b0a8dbfcf241c692
SHA18397294f31bd9f2cbe6b032c9e69dd36ad5af888
SHA25631e2c8e02a288f7fdae85e286a8db3a51214fab7d6c1ac357c066d3e98115ebe
SHA512fe9120a71a1fda41368180652f9ba3660150efd3ff7c46951b47952f1477aca816d0884c2fe4331ea5819feb0db71cc881c628c18cb869a481c486253fbece37
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Filesize
778KB
MD5b804ab53568da077d7b0e06d513c5b0a
SHA18d9a780613e7e085d1a061289b173b78338281a6
SHA25662f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39
SHA51242a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498
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Filesize
40KB
-
Filesize
624KB
-
Filesize
40KB
-
Filesize
104KB
-
Filesize
32KB
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Filesize
7.7MB
-
Filesize
496KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
584KB
-
Filesize
5.6MB
-
Filesize
800KB
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Filesize
7.7MB
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Filesize
136KB
-
Filesize
304KB
-
Filesize
7.7MB
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Filesize
32KB
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Filesize
64KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
408KB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
216KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
200KB
-
Filesize
6.2MB
-
Filesize
120KB
-
Filesize
56KB
-
Filesize
652KB
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Filesize
6.5MB
-
Filesize
104KB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
320KB
-
Filesize
408KB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
264KB
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Filesize
7.7MB
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Filesize
64KB