Analysis
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max time kernel
92s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 01:56
Static task
static1
Behavioral task
behavioral1
Sample
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe
Resource
win10v2004-20231130-en
General
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Target
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe
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Size
733KB
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MD5
15fe8935c849629c00129ef7abc6c715
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SHA1
7eccbcc72ef905192af85ed34cf942414e14ae0e
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SHA256
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2
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SHA512
9a7e5eeb72c38adeeb5d41fc1798cb80b1d7e541c86e1eb062a70690acf5d4f21295576f12bd7dbac6bf6426762e990f8f94f83fbe45abf2a89c59f527c8d1c4
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SSDEEP
12288:6vSIlGl/53Q0ZFasAVDPhgO2oSP8ATIjnqdFycVoQXtm2:6vE55es2PEP8KCnuFyc+QXI
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.trisquarespl.com - Port:
587 - Username:
[email protected] - Password:
vphYSHb*2 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 18 api.ipify.org 19 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exedescription pid process target process PID 4460 set thread context of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3136 1900 WerFault.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1900 RegSvcs.exe 1900 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1900 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exedescription pid process target process PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe PID 4460 wrote to memory of 1900 4460 cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe"C:\Users\Admin\AppData\Local\Temp\cfb407859f4a0d1724464417c7b194f45f0ca3c20b74db7c0924f9671822b1d2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 19803⤵
- Program crash
PID:3136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1900 -ip 19001⤵PID:2880