Analysis
- max time kernel
108s - max time network
70s - platform
windows7_x64 - resource
win7 - submitted
19/08/2020, 11:16
Static task
static1
Behavioral task
behavioral1
Sample
PO 8182020.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO 8182020.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target PO 8182020.exe
- Size 599KB
- Sample200819-nhmt4lpg52
- SHA256 a7ec6dfb09d3866bdfe3a1306182ad995f309029828f9e1de99bb7f658cacb64
- MD5 b849d8ec23b3506509c4c63c077ab8a8
- SHA1 0436b3d25af29538b6fabc659402e3bdfd5296ed
- SHA512 da56ea8b15e50587a30a1c5823df5f335ddd9b87e8507bbeecb80005865dfffdcef3cdf8fe8c02477df660fb8ff82b05e34844384299cebe67b349bb31660c88
- MD5 SHA1 SHA512
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
resource yara_rule behavioral1/memory/1776-8-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla behavioral1/memory/1776-8-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla behavioral1/memory/1776-9-0x000000000045504E-mapping.dmp agent_tesla behavioral1/memory/1776-10-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla behavioral1/memory/1776-10-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla behavioral1/memory/1776-11-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla behavioral1/memory/1776-11-0x0000000000400000-0x000000000045A000-memory.dmp agent_tesla - 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\JcoGam = "C:\\Users\\Admin\\AppData\\Roaming\\JcoGam\\JcoGam.exe" PO 8182020.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 112 set thread context of 1776 112 PO 8182020.exe 28 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1908 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1776 PO 8182020.exe 1776 PO 8182020.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1776 PO 8182020.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 112 wrote to memory of 1908 112 PO 8182020.exe 26 PID 112 wrote to memory of 1908 112 PO 8182020.exe 26 PID 112 wrote to memory of 1908 112 PO 8182020.exe 26 PID 112 wrote to memory of 1908 112 PO 8182020.exe 26 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28 PID 112 wrote to memory of 1776 112 PO 8182020.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iWYFZk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF871.tmp"2⤵
- Creates scheduled task(s)
PID:1908
-
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C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776
-