Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22/11/2024, 09:17
Static task
static1
Behavioral task
behavioral1
Sample
345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
Resource
win10v2004-20241007-en
General
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Target
345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
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Size
557KB
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MD5
96feba74e48fc61d3edfe20e5b27aabd
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SHA1
6be5d7a5f807ad6f3bbc9cc818364539fc8c3b47
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SHA256
345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794
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SHA512
ddba6354f54c9385d0762b61e0a66b8095b3037c0ed845fc0e949a2da9ab9279f6935f63b3b72243123ae4d9d31618bf1d4bfcb18526739dcb7ed71e1ad9b02a
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SSDEEP
6144:JGxhL8mMIrNvxbosyyouw0/hLu3EbDPeXhlMxDCQRknEBTKYhSAjazE3WHeUO68I:4/D9GsyyoyJLQgKXhWJTJhSAFdYf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
zxcvbnm12345
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2664-19-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2664-24-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2664-21-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2664-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2664-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwlrFL = "C:\\Users\\Admin\\AppData\\Roaming\\nwlrFL\\nwlrFL.exe" 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2660 set thread context of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2724 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2664 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 2664 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2664 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2660 wrote to memory of 2724 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 30 PID 2660 wrote to memory of 2724 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 30 PID 2660 wrote to memory of 2724 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 30 PID 2660 wrote to memory of 2724 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 30 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31 PID 2660 wrote to memory of 2664 2660 345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uqxpXHCD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85A4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2724
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C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1