Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2024, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe
Resource
win10v2004-20241007-en
General
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Target
4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe
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Size
450KB
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MD5
1bdbb7b0f94bad3d720de0101222a246
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SHA1
9cb72ff0392beec57063ba6c40df5234b6660aaf
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SHA256
4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a
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SHA512
a641c03c46ddd7ba1609e1698bdb716ea5645cf27468748f400ff091bf3222da262f26401d9f2a915235cddd5c16d81d2b487a928a1d104da9fd679dab09f81d
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SSDEEP
12288:9dxin6lAe0wOqK7tWzWlJ+lhJOED0UkT8n1TxAfO:3Y6lU7qCbJ+lWUn1TCfO
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sautiyapwanifm.com - Port:
587 - Username:
[email protected] - Password:
Uwada12345
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 1 IoCs
resource yara_rule behavioral2/memory/1080-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2588 set thread context of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 -
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 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.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 1296 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 1080 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 1080 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe Token: SeDebugPrivilege 1080 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2588 wrote to memory of 1296 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 99 PID 2588 wrote to memory of 1296 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 99 PID 2588 wrote to memory of 1296 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 99 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101 PID 2588 wrote to memory of 1080 2588 4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe"C:\Users\Admin\AppData\Local\Temp\4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NloWGThpQBccP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1299.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1296
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C:\Users\Admin\AppData\Local\Temp\4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe"C:\Users\Admin\AppData\Local\Temp\4d4adcbeba177d3c076f34c64f78074df875d770c7cbd7943bd32695575cb93a.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1080
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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