Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2024, 01:03
Static task
static1
Behavioral task
behavioral1
Sample
f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe
Resource
win10v2004-20241007-en
General
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Target
f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe
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Size
888KB
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MD5
dfe7fa7881d643dc97eaa8f0e7478f28
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SHA1
b3e7065ed4191388f231db06b4b115ca7b64cd2f
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SHA256
f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763
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SHA512
425ed492945053bfae55675da577aa3a4038ea337948c3f41a78b9c52602b6d5f48c28f1a18fdcc1f71638906461bc446736e4e606756f85bcc16d22b7a4182f
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SSDEEP
12288:Y7zhNdyvUIZbV/O1bJGOD0CInmWC4H9bz97tk5J6f0uZzn9zF:Y7MvDB/l00CInCwvBO6NZz9z
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.vistakencana.com.my - Port:
587 - Username:
[email protected] - Password:
m33R3bus!
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/828-35-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1444 powershell.exe 4424 powershell.exe 3044 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pGKuRU = "C:\\Users\\Admin\\AppData\\Roaming\\pGKuRU\\pGKuRU.exe" f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2532 set thread context of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 -
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 6 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.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 1304 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1444 powershell.exe 4424 powershell.exe 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 4424 powershell.exe 828 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 828 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 1444 powershell.exe 3044 powershell.exe 3044 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeDebugPrivilege 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe Token: SeDebugPrivilege 828 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe Token: SeDebugPrivilege 3044 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2532 wrote to memory of 1444 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 91 PID 2532 wrote to memory of 1444 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 91 PID 2532 wrote to memory of 1444 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 91 PID 2532 wrote to memory of 4424 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 93 PID 2532 wrote to memory of 4424 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 93 PID 2532 wrote to memory of 4424 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 93 PID 2532 wrote to memory of 1304 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 95 PID 2532 wrote to memory of 1304 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 95 PID 2532 wrote to memory of 1304 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 95 PID 2532 wrote to memory of 3044 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 97 PID 2532 wrote to memory of 3044 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 97 PID 2532 wrote to memory of 3044 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 97 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99 PID 2532 wrote to memory of 828 2532 f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
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\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1444
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sELElpWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EDB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1304
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044
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C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:828
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5822d6307eedde1b8e954bcbb7d29da04
SHA12491a050f9d811a950a00c1c94336a9638a40f71
SHA256a2f5b6a37fa71fdbb658471079112b6b90c6cce627510e2650428110491b029a
SHA5121aef272328eb97570ff14bb36145b800b532d0c4d696660a72b287d3da3083f3a9d902976380e1c89620e7af5104f1f14dbed325f60a6a07fb60983653c2d504
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Filesize
18KB
MD5afcdffe750f167b6fe65e3f26865dafa
SHA1e3b1f7893d76816ba80f5d049cb51ec7ac71b18a
SHA25629177cda39ea61e37cfdab68ae57c04ca6cee110830e67b37dfb2c2c286348b6
SHA51279590a4d5990628a346613d2c858e1af70d67247efa196378ba940ecb56b01cf50bafa4fadd6a837eb65abb7c7be4ed0a3d50bfafeda9d85706d7e7173165963
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e88c522c628074f775a504fdb28f03cb
SHA1d5dfb0e6da54a02e82c327d1b06e04b30d8d1254
SHA256fa4776606e5e231196d7d4eb677eba1ce5a154289c1e75e12dc3ce40aad6aa5c
SHA512b7a4e938b729fbc7502215054a76b7f7b122ebc1554846888f88e1d9350662b8d8bc00b15bcf2de6d10b661dd3e1a2c382dcd6f04e8e7620975d490a5bbbd71c