Analysis
- max time kernel
114s - max time network
120s - platform
windows7_x64 - resource
win7 - submitted
20/07/2020, 07:55
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order list order no. Hc511 Uv7343.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Purchase Order list order no. Hc511 Uv7343.exe
Resource
win10v200430
0 signatures
0 seconds
General
- Target Purchase Order list order no. Hc511 Uv7343.exe
- Size 729KB
- Sample200720-hh28vv6tr2
- SHA256 9090ff2fa6c1c2e9a1df238ee496e6dc5d181bed150a93b47626b3e3343b767f
- MD5 43efd2ba9d7049163fca62e87b071700
- SHA1 b1aced726979789d322adc33c949d0d3aa0ec507
- SHA512 4590dd6d581d9e63acfd1c9d26b55b906d81f7221ca6d08d6297c1f79826c1dbfcb94d48119d2a7482888c50964ae55db4d72b371598ab2612661505bf344058
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
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
marcellinus
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1812-3-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1812-4-0x000000000044C91E-mapping.dmp family_agenttesla behavioral1/memory/1812-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1812-6-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - 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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\KsVAR = "C:\\Users\\Admin\\AppData\\Roaming\\KsVAR\\KsVAR.exe" Purchase Order list order no. Hc511 Uv7343.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1152 set thread context of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1152 Purchase Order list order no. Hc511 Uv7343.exe 1152 Purchase Order list order no. Hc511 Uv7343.exe 1152 Purchase Order list order no. Hc511 Uv7343.exe 1812 Purchase Order list order no. Hc511 Uv7343.exe 1812 Purchase Order list order no. Hc511 Uv7343.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1152 Purchase Order list order no. Hc511 Uv7343.exe Token: SeDebugPrivilege 1812 Purchase Order list order no. Hc511 Uv7343.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1152 wrote to memory of 1812 1152 Purchase Order list order no. Hc511 Uv7343.exe 24 PID 1812 wrote to memory of 1208 1812 Purchase Order list order no. Hc511 Uv7343.exe 28 PID 1812 wrote to memory of 1208 1812 Purchase Order list order no. Hc511 Uv7343.exe 28 PID 1812 wrote to memory of 1208 1812 Purchase Order list order no. Hc511 Uv7343.exe 28 PID 1812 wrote to memory of 1208 1812 Purchase Order list order no. Hc511 Uv7343.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order list order no. Hc511 Uv7343.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order list order no. Hc511 Uv7343.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Users\Admin\AppData\Local\Temp\Purchase Order list order no. Hc511 Uv7343.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order list order no. Hc511 Uv7343.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1208
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