Analysis
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max time kernel
75s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
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submitted
19/04/2023, 02:38
General
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Target
Delivery Details-4017235.exe
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Size
657KB
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MD5
b96ef7ef336a386518cc41343b73e0ee
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SHA1
9fb1228658d14090b7189449a0185ea0b7f4a9b1
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SHA256
fbb8dd09df0e0c79dcf488c021765e4fa915ca3a490ea45a78b622565e920f1a
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SHA512
bc8f327d7a3a4aab24542444a52e3a9dc37593463cb5111ee51554991f8d08349cb714bffeb646e19de1bc25228094a7d15ab8e0c89999cdfa6741fb7ce3b176
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SSDEEP
12288:/ORJXJTxiggTeCB0HA01As/hexT2AM7LBLX/RfltHEbbJfGJ1g:+XNxiN6UyAVUhwjMJT/RbA5
Malware Config
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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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 5 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 14 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\Delivery Details-4017235.exe"C:\Users\Admin\AppData\Local\Temp\Delivery Details-4017235.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\skAcSfzi.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\skAcSfzi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46AE.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Delivery Details-4017235.exe"C:\Users\Admin\AppData\Local\Temp\Delivery Details-4017235.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD50bf6d40458289ab67b444b5101a84476
SHA19f757a6a9d5e9a94327961aed3109c6c9363b2dc
SHA25614fc05811e3d3f21a4cadf4e62cc7411eee09817797a062056d80a1cacfb985a
SHA5128010b3e788ffa48cc113a436192780d0deccfd91d9d6bbdcbef2567d09cff8d3f5670721d8c72f73d1d4078b9f3e38a26eb892c8c96ca22a4bf0e64a174dfb11
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Filesize
64KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
624KB
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Filesize
680KB
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Filesize
120KB
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Filesize
304KB
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Filesize
136KB
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Filesize
32KB
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Filesize
408KB
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Filesize
64KB
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Filesize
104KB
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Filesize
64KB
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Filesize
56KB
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Filesize
216KB
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Filesize
600KB
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Filesize
64KB
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Filesize
200KB
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Filesize
6.2MB
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Filesize
120KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
64KB
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Filesize
40KB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
40KB
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Filesize
192KB
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Filesize
408KB
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Filesize
64KB
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Filesize
64KB