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Analysis
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max time kernel
144s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
20/09/2022, 03:58
General
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Target
SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe
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Size
859KB
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MD5
07cec4d7aad3d9218151220b7f7b2692
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SHA1
85c8ddd77a406585e3ce689b6238278010de5c5a
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SHA256
c4e0f261ed74707096e0cc0cb5dc3462bd29820aa2146b14f278ca62f8acf521
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SHA512
d679d39d342acb6a18f09ecccac05e7932b7dfe2f4a630abb8e05018c987e9c081abc8298b839549d2a454b82abb7be758e43b3e38ea20b38ce36cedd8229fed
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SSDEEP
12288:4fO1aTP8I4cwi0lA3VEIU/iV8YSUZb8VQjG7I1Fy9+v9nMBlI:4fE4ppP0UEIqozbvkI1Fc+vWI
Malware Config
Extracted
Protocol: smtp- Host:
mail.rimiapparelsltd.com - Port:
587 - Username:
[email protected] - Password:
Ijeomam28@
Extracted
agenttesla
Protocol: smtp- Host:
mail.rimiapparelsltd.com - Port:
587 - Username:
[email protected] - Password:
Ijeomam28@ - 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). Likely ransomware behaviour.
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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 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.MSIL.Kryptik.DLB.tr.8437.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.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\LsXwYwRGeJH.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\LsXwYwRGeJH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60F7.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.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 v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57350f5eadb3fd12aa75a6c3b391ca1f6
SHA11a13c4d182a442e4064b3bbecf65a6536475c1b2
SHA256603b36d7f3cad0f4b4caac5dd1860e3523a7638791304e168ae851feaedc38c0
SHA5124a68f9c47d3ab8b3a29fe472ce70eb9c708b3f801e63441c04917d995dbd6a13ea496fce22c5f7a79b33eb41b33abfb1958328d2cee44341068ba9bbcf1b6b59
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
624KB
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Filesize
408KB
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Filesize
888KB
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Filesize
6.5MB
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Filesize
32KB
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Filesize
104KB
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Filesize
6.2MB
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Filesize
56KB
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Filesize
136KB
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Filesize
408KB
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Filesize
120KB
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Filesize
200KB
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Filesize
304KB
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Filesize
120KB
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Filesize
600KB
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Filesize
216KB
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Filesize
104KB
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Filesize
40KB
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Filesize
320KB
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Filesize
232KB