Analysis
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max time kernel
139s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 01:42
Static task
static1
Behavioral task
behavioral1
Sample
QFvswtcr1f60ol5.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
QFvswtcr1f60ol5.exe
Resource
win10v2004-20231127-en
General
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Target
QFvswtcr1f60ol5.exe
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Size
720KB
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MD5
741a5a12f09c04ea3e9016b0df5b1619
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SHA1
70bc8da958d222169fbbaeef24caf81dcad79403
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SHA256
34e80cd7697e28920dc9d333f057b29cb3e4010a8be917130a9c3137aabfb547
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SHA512
3b0150010c59a28dbf8206ac2210cc953538af03129af9772e0aa780209637a37496d01573222eb5f7e322da8d5910c5f40cfd0b29d7a4ea3c8ae046ac2578b5
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SSDEEP
12288:qhdIaRFF8dhPVYuKpqScN28sYpOI0fEPwtn/2eSJ+3pOlLAeqo9gp:qhPFShPVYu4Zu28sYYIOqSn/U+3pOlL/
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
merajlimited.com - Port:
587 - Username:
[email protected] - Password:
@@Pa$$word786 - 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 31 api.ipify.org 32 api.ipify.org 36 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
QFvswtcr1f60ol5.exedescription pid process target process PID 3856 set thread context of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2624 4080 WerFault.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
QFvswtcr1f60ol5.exeRegSvcs.exepid process 3856 QFvswtcr1f60ol5.exe 3856 QFvswtcr1f60ol5.exe 4080 RegSvcs.exe 4080 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
QFvswtcr1f60ol5.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3856 QFvswtcr1f60ol5.exe Token: SeDebugPrivilege 4080 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
QFvswtcr1f60ol5.exedescription pid process target process PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe PID 3856 wrote to memory of 4080 3856 QFvswtcr1f60ol5.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\QFvswtcr1f60ol5.exe"C:\Users\Admin\AppData\Local\Temp\QFvswtcr1f60ol5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3856 -
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:4080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 20643⤵
- Program crash
PID:2624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4080 -ip 40801⤵PID:3760