Analysis
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max time kernel
78s -
max time network
67s -
platform
windows7_x64 -
resource
win7 -
submitted
07/07/2020, 12:35
Static task
static1
Behavioral task
behavioral1
Sample
Price Offer.exe
Resource
win7
Behavioral task
behavioral2
Sample
Price Offer.exe
Resource
win10v200430
General
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Target
Price Offer.exe
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Size
553KB
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MD5
922f0371a32a20ee208520a1ab98ac1f
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SHA1
d141f55a2b8a8d6236262a9ae0471e303d6bfa0b
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SHA256
c2be2f9a3561ac1145ac0711574c30064e14ec9d62e916b700f75cc33b77d154
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SHA512
91e540bc09183faeb688c8728f89a721b06d7415d3e40be8442a48523b0770403c7ae20c8eb3bc8f4e9d00ba697da6a5f9884bafc0791cef8df94ce06e856091
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.chenklins.com - Port:
587 - Username:
[email protected] - Password:
VBRSv_r)C~mM
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1520-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1520-3-0x0000000000446DCE-mapping.dmp family_agenttesla behavioral1/memory/1520-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1520-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 112 set thread context of 1520 112 Price Offer.exe 27 -
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.
pid Process 1096 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 112 Price Offer.exe 112 Price Offer.exe 1520 Price Offer.exe 1520 Price Offer.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 112 Price Offer.exe Token: SeDebugPrivilege 1520 Price Offer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1520 Price Offer.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 112 wrote to memory of 1096 112 Price Offer.exe 24 PID 112 wrote to memory of 1096 112 Price Offer.exe 24 PID 112 wrote to memory of 1096 112 Price Offer.exe 24 PID 112 wrote to memory of 1096 112 Price Offer.exe 24 PID 112 wrote to memory of 1528 112 Price Offer.exe 26 PID 112 wrote to memory of 1528 112 Price Offer.exe 26 PID 112 wrote to memory of 1528 112 Price Offer.exe 26 PID 112 wrote to memory of 1528 112 Price Offer.exe 26 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27 PID 112 wrote to memory of 1520 112 Price Offer.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\Price Offer.exe"C:\Users\Admin\AppData\Local\Temp\Price Offer.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATgmEctPQUcCa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C3E.tmp"2⤵
- Creates scheduled task(s)
PID:1096
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C:\Users\Admin\AppData\Local\Temp\Price Offer.exe"{path}"2⤵PID:1528
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C:\Users\Admin\AppData\Local\Temp\Price Offer.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1520
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