Analysis
- max time kernel
149s - max time network
124s - platform
windows10_x64 - resource
win10 - submitted
30/07/2020, 07:30
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order.exe
Resource
win7v200722
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Purchase order.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
- Target Purchase order.exe
- Size 1.1MB
- Sample200730-5l8fq5bkda
- SHA256 71f75231ec231d35684b7b43f0b599fb8eae9978ae979c9ebb9f484ce405e7f1
- MD5 ce1d6eef83329cefd21ddf7a0457aa81
- SHA1 57177a76809a2a26c39ce47ba083c98766b9755a
- SHA512 d7d0dfed75c6d020ec2009b80e6476cff053ffb1f30a7470605fdbcdcd7b23b3ef4fd2d6ed709e9b2ef2769516de93dbc9308e884a992650ef96f1d32d9092f5
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
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Protocol
smtp
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Host
smtp.yandex.com
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Port
587
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Username
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Password
prince04
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3588-7-0x0000000000730000-0x0000000000DB1000-memory.dmp family_agenttesla behavioral2/memory/3588-8-0x000000000077A6BE-mapping.dmp family_agenttesla - Executes dropped EXE 2 IoCs
pid Process 4012 oqsxhlhpdx.pif 3588 RegSvcs.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.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run oqsxhlhpdx.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlogon.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\29248399\\OQSXHL~1.PIF C:\\Users\\Admin\\AppData\\Local\\Temp\\29248399\\jswe.jgl" oqsxhlhpdx.pif - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4012 set thread context of 3588 4012 oqsxhlhpdx.pif 69 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 3588 RegSvcs.exe 3588 RegSvcs.exe 3588 RegSvcs.exe 3588 RegSvcs.exe 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 3588 RegSvcs.exe 3588 RegSvcs.exe 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif 4012 oqsxhlhpdx.pif - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3588 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3588 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3828 wrote to memory of 4012 3828 Purchase order.exe 67 PID 3828 wrote to memory of 4012 3828 Purchase order.exe 67 PID 3828 wrote to memory of 4012 3828 Purchase order.exe 67 PID 4012 wrote to memory of 3588 4012 oqsxhlhpdx.pif 69 PID 4012 wrote to memory of 3588 4012 oqsxhlhpdx.pif 69 PID 4012 wrote to memory of 3588 4012 oqsxhlhpdx.pif 69 PID 4012 wrote to memory of 3588 4012 oqsxhlhpdx.pif 69 PID 4012 wrote to memory of 3588 4012 oqsxhlhpdx.pif 69 PID 3588 wrote to memory of 3892 3588 RegSvcs.exe 71 PID 3588 wrote to memory of 3892 3588 RegSvcs.exe 71 PID 3588 wrote to memory of 3892 3588 RegSvcs.exe 71
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\AppData\Local\Temp\29248399\oqsxhlhpdx.pif"C:\Users\Admin\AppData\Local\Temp\29248399\oqsxhlhpdx.pif" jswe.jgl2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile4⤵PID:3892
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