Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2023 14:20
Static task
static1
Behavioral task
behavioral1
Sample
b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
Resource
win10v2004-20231130-en
General
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Target
b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
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Size
1.0MB
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MD5
9d36688a27ffd790190faa7be7a89033
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SHA1
52aaf6053e42425a83b102c71ee559e7c049baba
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SHA256
b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa
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SHA512
f848044036b86a44c3cd0de962cde0cb6da3b050e0cdc3cd0707434a81d3697059994330e10b6d5c2567ccde31dbdb1ac1907a304b7641103087868cb0c69cf2
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SSDEEP
24576:vmfmE0bk3oLIK2RjfjKZEZlelmwnFXXZmN:vmfmE0bk3oLIK2Rj4ECmh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.alayeforeg.com - Port:
587 - Username:
[email protected] - Password:
nS:R%gte{1w8 - 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-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Baidu = "C:\\Users\\Admin\\AppData\\Roaming\\Baidu.exe" b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4248 set thread context of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 -
Program crash 1 IoCs
pid pid_target Process procid_target 3260 2144 WerFault.exe 102 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2144 aspnet_compiler.exe 2144 aspnet_compiler.exe 2144 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe Token: SeDebugPrivilege 2144 aspnet_compiler.exe Token: SeManageVolumePrivilege 4380 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102 PID 4248 wrote to memory of 2144 4248 b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe"C:\Users\Admin\AppData\Local\Temp\b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 13803⤵
- Program crash
PID:3260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2144 -ip 21441⤵PID:760
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:4196
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4380