Analysis
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max time kernel
118s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 01:08
Static task
static1
Behavioral task
behavioral1
Sample
4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe
Resource
win10v2004-20240508-en
General
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Target
4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe
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Size
1002KB
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MD5
46fcffb1ae22caf7d05dd36cc07d77ab
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SHA1
c0306987fad86fa3cafb209b286804bf9b745358
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SHA256
4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e
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SHA512
5aef5363ee4cdb1b051b43ab8fb94d01a83d5540c37e27910b9b82be6b28edb45d5d2517c5dc80a7877d1f9225ea3bb9ffc386f5043d9d7066fefecdda18b9f9
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SSDEEP
24576:4AHnh+eWsN3skA4RV1Hom2KXMmHaDhJ3lJTJtDwzvj5:/h+ZkldoPK8YaD33vDszN
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
s30.securelayernetwork.com - Port:
587 - Username:
[email protected] - Password:
%lmb-a,[(1ty - 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\SzvWIzD = "C:\\Users\\Admin\\AppData\\Roaming\\SzvWIzD\\SzvWIzD.exe" RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org 13 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1188 set thread context of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2748 RegSvcs.exe 2748 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2748 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28 PID 1188 wrote to memory of 2748 1188 4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe"C:\Users\Admin\AppData\Local\Temp\4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\4a7a41fda799b75000341df993babb67de765b85c41d49aaa0239781bda1444e.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748
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