Analysis
- max time kernel
51s - max time network
13s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe
Resource
win10v20201028
General
- Target QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe
- Size 431KB
- Sample201109-2w527flvfx
- SHA256 44ba37fc9028cfa910e1ab8b805fa455ba0ba2d6020c6da3971ed61a490513d3
- MD5 82133c13366cb2a208106b1d59977bc9
- SHA1 85d9bcee313bd42af85ed2e6172a8dd89648f678
- SHA512 0c13f018a8bbf0bb7395c66adde3f6e180d8071087152b0a61deddcd9835a024632a685bcc9ca4fc57d533eb0824b437f890afc606fd7c09596f39b9f45a7588
- MD5 SHA1 SHA512
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
smtp.iotoils.com
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Port
587
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Username
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Password
i)gxTLJ8
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1556-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1556-3-0x000000000044CF8E-mapping.dmp family_agenttesla behavioral1/memory/1556-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1556-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 644 set thread context of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1324 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe Token: SeDebugPrivilege 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 644 wrote to memory of 1324 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 29 PID 644 wrote to memory of 1324 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 29 PID 644 wrote to memory of 1324 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 29 PID 644 wrote to memory of 1324 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 29 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 644 wrote to memory of 1556 644 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 31 PID 1556 wrote to memory of 844 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 33 PID 1556 wrote to memory of 844 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 33 PID 1556 wrote to memory of 844 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 33 PID 1556 wrote to memory of 844 1556 QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HjdyFPrz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C26.tmp"2⤵
- Creates scheduled task(s)
PID:1324
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C:\Users\Admin\AppData\Local\Temp\QUOTATION#7724_210520RFQ_NEW_OFFER_SAMPLE_G-III.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:844
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