Analysis
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max time kernel
135s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 23:39
General
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Target
Proforma invoice 04.08.2020.exe
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Size
808KB
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MD5
3962e9b89b828c1937a0bd69113e671f
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SHA1
813bc238072f1f4a850520eedfa8abc7669f311c
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SHA256
e86142f3f4772825135e389edefa8b13db71930958ea6611a6287bf644cc5414
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SHA512
abaf349bdad6be0ca7eb038bd1daf004cf6436a10543fb2b08dd6e5d55b9dc86355cd80eb86b5ab846c2dc9e0bcea7f0221e78beffc3155d1ef63820c3100c71
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fratellidelpiano.com/ - Port:
21 - Username:
[email protected] - Password:
playboy123#
Protocol: ftp- Host:
ftp://ftp.fratellidelpiano.com/ - Port:
21 - Username:
[email protected] - Password:
playboy123#
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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 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\Proforma invoice 04.08.2020.exe"C:\Users\Admin\AppData\Local\Temp\Proforma invoice 04.08.2020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\tmp26C3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Proforma invoice 04.08.2020.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp26C3.tmpFilesize
1KB
MD59835adb120cb0656789aa7b85414fb46
SHA17029a0b83bdcc0ed1c0c8a2047cc62d302658e87
SHA25690507a6b0ada49b0d215d26dee4e860b73af854401b572d16953c279287bfa5b
SHA5121c21b4347dcd2458b00d257748023c857195dbe25c5ef4779c0b631ce4ceb969a147a23a24bbe88693fc5f33cb6d9a4900aea969b381f7c980a619ece9bad958
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memory/1096-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-66-0x0000000000446F4E-mapping.dmp
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memory/1096-71-0x0000000076241000-0x0000000076243000-memory.dmpFilesize
8KB
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memory/1096-70-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-68-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-60-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1096-65-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1532-54-0x0000000000B60000-0x0000000000C30000-memory.dmpFilesize
832KB
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memory/1532-56-0x0000000000A90000-0x0000000000AF4000-memory.dmpFilesize
400KB
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memory/1532-55-0x00000000003B0000-0x00000000003BA000-memory.dmpFilesize
40KB
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memory/1532-57-0x0000000004EE0000-0x0000000004F2C000-memory.dmpFilesize
304KB
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memory/1880-58-0x0000000000000000-mapping.dmp