Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
27-04-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
statement and invoices.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
statement and invoices.exe
Resource
win10v2004-20240419-en
General
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Target
statement and invoices.exe
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Size
828KB
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MD5
7ca522120ba2f516eeabd3d3979c14eb
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SHA1
3da00a3e7c38b1cab49e7a443a33de11dbd642fc
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SHA256
9da495f395181d2188e798281ad85b82acdf6d1185c28885fe193c6c48f78a93
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SHA512
2eb76c682e5f86f6148750003e4b51375d7ac58e3486157b0c55da98073fb6f852fa0ef209115f0c8223e2f081df4ecff56e181af540da49fd0819a832cb73b8
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SSDEEP
24576:bDPjKr5BND8Vqr4MYBt7xa42c//Bs9zEi:vk5BNggrzia7c3SF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.probending.co.th - Port:
587 - Username:
[email protected] - Password:
9aglmaj6C5hF - 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
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
statement and invoices.exedescription pid process target process PID 2044 set thread context of 2840 2044 statement and invoices.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
statement and invoices.exepowershell.exepowershell.exeRegSvcs.exepid process 2044 statement and invoices.exe 2044 statement and invoices.exe 2044 statement and invoices.exe 2044 statement and invoices.exe 2044 statement and invoices.exe 2044 statement and invoices.exe 2044 statement and invoices.exe 2636 powershell.exe 2024 powershell.exe 2840 RegSvcs.exe 2840 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
statement and invoices.exeRegSvcs.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2044 statement and invoices.exe Token: SeDebugPrivilege 2840 RegSvcs.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
statement and invoices.exedescription pid process target process PID 2044 wrote to memory of 2024 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2024 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2024 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2024 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2636 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2636 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2636 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2636 2044 statement and invoices.exe powershell.exe PID 2044 wrote to memory of 2688 2044 statement and invoices.exe schtasks.exe PID 2044 wrote to memory of 2688 2044 statement and invoices.exe schtasks.exe PID 2044 wrote to memory of 2688 2044 statement and invoices.exe schtasks.exe PID 2044 wrote to memory of 2688 2044 statement and invoices.exe schtasks.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe PID 2044 wrote to memory of 2840 2044 statement and invoices.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yrkroc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2636 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yrkroc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64AC.tmp"2⤵
- Creates scheduled task(s)
PID:2688 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f055f0499e33a0209848e2b70a88d09e
SHA12492cb8e5e81f12bdf28040747bba0030e595339
SHA256191270dc502e4997a46bce41a27cb023ac8f1aa414f16072d88790c4b12555bd
SHA512c35eec34e4e18eb97892a99c83e7118afefb6aa833e24b636383d4b240ef675ebf4e2582c51caaac3a747e7f28fa0773095f423f7ab9f4e63fe142fb7c4d1256
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O0721RZPML3VR4KRFGE4.temp
Filesize7KB
MD54cd0847042157bb9e451e4cdf9c52dbd
SHA18598377f10163ff322b3cdfdad687dd3661fdd24
SHA25669624b379463b6be0e3f1d0ba14705b0d3f177d196f84c479682eb92f8371db2
SHA512f28ee8594d544915f129441e7f0c634822f6cd5b776301a345510e8c521733f509ebdbb1e3a62b02e36b0a973cef83eabbe7de0204280ba5901e12e822c83339