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Analysis
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max time kernel
127s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/01/2025, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe
Resource
win10v2004-20241007-en
General
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Target
635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe
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Size
1.1MB
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MD5
354725d3df06a1f01c0fe40b5613f21f
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SHA1
28a300ab00a8e2d8b218adc084a2b946309d4fb7
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SHA256
635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84
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SHA512
9c8b7807ce0531a688c26426b90352a6d21f9cfe7df480d484bea46d451ba5e6f6a56570a86a6be6673a6e38013ddb46bfbdfa9115c216c7807c6fec5218b78e
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SSDEEP
24576:yr/LaBQDJDFlGOhvP7iUOpqYqjpYlA7dfUWTpSuaWV0cMc92:yvvDrGkvP7iUw98p57dflbaWOcMC2
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://s4.serv00.com - Port:
21 - Username:
f2241_evica - Password:
Doll650@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4972 created 3504 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 56 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe" InstallUtil.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 api.ipify.org 24 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4972 set thread context of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 3984 InstallUtil.exe 3984 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe Token: SeDebugPrivilege 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe Token: SeDebugPrivilege 3984 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3984 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89 PID 4972 wrote to memory of 3984 4972 635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe 89
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3504
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C:\Users\Admin\AppData\Local\Temp\635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe"C:\Users\Admin\AppData\Local\Temp\635e20a681b1d8e8a4318e345cff50dc04cbd032a7414640137cbf5fa1c09a84.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3984
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