Analysis
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max time kernel
147s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 23:18
General
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Target
Request for Quotation-0255505.exe
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Size
487KB
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MD5
7da04563d7f603d2b055d7aab387acb5
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SHA1
bc5525da0e0460773bda9d2680069b19ed3de4db
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SHA256
68e18767c36dde652b11efd72f55423a4dcaab693e29bc3af54f9805e80ca030
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SHA512
66fee23edad8bc3932e65dc1ae974bae1222d5f7a0a4909c7fa9b932aeb8b46a3b17c5a860e478106e3fa2d3282ba4173cd88dc2ad4d7c765195ea6b703af536
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.imp-powers.com - Port:
587 - Username:
[email protected] - Password:
AHZlkhbJ1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
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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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 13 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\Request for Quotation-0255505.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation-0255505.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D23.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Request for Quotation-0255505.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation-0255505.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp1D23.tmpFilesize
1KB
MD5c5e5a486021e6137551a468cae265a0f
SHA13f6695a9cb933ec75a064cd18dbb6fb5e8e9ac75
SHA256bfce6d0113e09a260e399ae12b7620c7ac495ca8fedf8093a50b9e55b687bf02
SHA5125947c65bbf87b30f7213aae37c024c8645c4499531846a4fd8318e854a357a1dca928080b481626c2c1606b9e8ebdafd88dd1830e09a11fc5aeb8bc057b028cf
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memory/1952-57-0x0000000005150000-0x00000000051B6000-memory.dmpFilesize
408KB
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memory/1952-55-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1952-54-0x0000000000970000-0x00000000009F0000-memory.dmpFilesize
512KB
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memory/1952-58-0x0000000005340000-0x000000000538C000-memory.dmpFilesize
304KB
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memory/1952-56-0x00000000003F0000-0x00000000003FA000-memory.dmpFilesize
40KB
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memory/1956-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-65-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-67-0x0000000000446DBE-mapping.dmp
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memory/1956-69-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1956-71-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-59-0x0000000000000000-mapping.dmp