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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 11:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win11-20240419-en
21 signatures
150 seconds
General
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Target
Loader.exe
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Size
1.8MB
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MD5
af942eb89801ce13916b5eecbd060bba
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SHA1
65e0d7c0c134cd2b295ea6c123c064cf86f5321e
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SHA256
85a7b4ed3f550ab6acea6d3daa78389926d90d99abc6b74ea3556a43907b5866
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SHA512
7da265793fe4b35c261a8a00238ad91cecd8d4a07303e06893cb3516c7e7f6156b5898d0db0576adfce23deb001d22c45bdf5885e5a0b239e558aba8a5ccbdfa
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SSDEEP
24576:xITMvRFhRRbNWoCfkYSEH3OqtwIuXFJeRqR21rDTfQPvQr:xITYbNbNWo4kSH3OqtwIq+qR21rDH
Score
10/10
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral1/memory/1828-7-0x00000000056F0000-0x0000000005904000-memory.dmp family_agenttesla -
Delays execution with timeout.exe 1 IoCs
pid Process 3620 timeout.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion Loader.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1828 Loader.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1828 wrote to memory of 4956 1828 Loader.exe 82 PID 1828 wrote to memory of 4956 1828 Loader.exe 82 PID 1828 wrote to memory of 4956 1828 Loader.exe 82 PID 4956 wrote to memory of 1168 4956 cmd.exe 84 PID 4956 wrote to memory of 1168 4956 cmd.exe 84 PID 4956 wrote to memory of 1168 4956 cmd.exe 84 PID 1168 wrote to memory of 3620 1168 cmd.exe 86 PID 1168 wrote to memory of 3620 1168 cmd.exe 86 PID 1168 wrote to memory of 3620 1168 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c start cmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"2⤵
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\cmd.execmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"3⤵
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
PID:3620
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