Analysis
- max time kernel
149s - max time network
134s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system - submitted
01/12/2025, 07:36
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
8411052900.exe
Resource
win10v2004-20250619-en
13 signatures
150 seconds
General
- Target 8411052900.exe
- Size 1.2MB
- Sample251201-jfcr2avkat
- SHA256 4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
- MD5 9f431b10cf7529fadaa7cee624aaa85c
- SHA1 b7130468f7d6d6b28383c8f70746bed2828224b0
- SHA512 169b336f16429724c4b8b758768cc5760b994b2af9024f914eb7b1aafa3936fbf9dcc8cf417d5f614054950fcb80482625f2310eaa5ccb74b8eae22f5c8f49bf
- SSDEEP 24576:J5EmXFtKaL4/oFe5T9yyXYfP1ijXdakANlLxv2QbjdUg:JPVt/LZeJbInQRakALLIojd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Attributes
-
app_add_startup
false
-
delete_backspace
false
-
enable_clipboard_logger
false
-
enable_contacts
false
-
enable_cookies
false
-
enable_keylogger
false
-
enable_screen_logger
false
-
enable_torpanel
false
-
hide_file_startup
false
-
keylogger_interval
20
-
log_type
1
-
pc_state
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
-
public_ip_address_grab
false
-
public_user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
-
screen_interval
20
-
smtp_attach
false
-
smtp_ssl
false
-
startup_directory_name
GLOZVJ
-
startup_env_name
appdata
-
startup_installation_name
GLOZVJ.exe
-
startup_reg_name
GLOZVJ
-
tor_pid
false
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\penstocks.vbs penstocks.exe - Executes dropped EXE 1 IoCs
pid Process 5652 penstocks.exe - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x001900000002b209-14.dat autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5652 set thread context of 3076 5652 penstocks.exe 79 - 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 8411052900.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language penstocks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3076 RegSvcs.exe 3076 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5652 penstocks.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3076 RegSvcs.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1648 8411052900.exe 1648 8411052900.exe 5652 penstocks.exe 5652 penstocks.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1648 8411052900.exe 1648 8411052900.exe 5652 penstocks.exe 5652 penstocks.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1648 wrote to memory of 5652 1648 8411052900.exe 78 PID 1648 wrote to memory of 5652 1648 8411052900.exe 78 PID 1648 wrote to memory of 5652 1648 8411052900.exe 78 PID 5652 wrote to memory of 3076 5652 penstocks.exe 79 PID 5652 wrote to memory of 3076 5652 penstocks.exe 79 PID 5652 wrote to memory of 3076 5652 penstocks.exe 79 PID 5652 wrote to memory of 3076 5652 penstocks.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\8411052900.exe"C:\Users\Admin\AppData\Local\Temp\8411052900.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Local\Myriopoda\penstocks.exe"C:\Users\Admin\AppData\Local\Temp\8411052900.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\8411052900.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Myriopoda\penstocks.exe
- Size 1.2MB
- SHA256 4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
- MD5 9f431b10cf7529fadaa7cee624aaa85c
- SHA1 b7130468f7d6d6b28383c8f70746bed2828224b0
- SHA512 169b336f16429724c4b8b758768cc5760b994b2af9024f914eb7b1aafa3936fbf9dcc8cf417d5f614054950fcb80482625f2310eaa5ccb74b8eae22f5c8f49bf
- SSDEEP 24576:J5EmXFtKaL4/oFe5T9yyXYfP1ijXdakANlLxv2QbjdUg:JPVt/LZeJbInQRakALLIojd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\aut7242.tmp
- Size 261KB
- SHA256 dcb436ba6114d5fd55794382e7a3aa115ae374a59ee08084cf3c535faaa1c454
- MD5 8b406a2edbe1f3f6dc9ce22774ca3ff7
- SHA1 4458349f179434efc79c988bbf82edbc5e515921
- SHA512 f314960d31a785bc99dd2619faee3e60c606056c62db82320b82d813a0e36c8314500cf3d25e7e639fa43a858e19035645d197abce62c34197acb2fcbbeb55c8
- SSDEEP 6144:nhJ3QdOSkji93T2oxpeG/8/8iRbh3BSN7V7pNHKp68qmXdpag4X/:UdOSkji9kG/8/phkf9NH268tnh4P
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\deblateration
- Size 29KB
- SHA256 ae2aee24421c4589b1b30cf94ae45c0173dc7c9ca58ec950e74463bff03af111
- MD5 a4dc53728ea65116817e3ea3a873b86a
- SHA1 9592cd7ee6d61d0da596ad16637b44967e4d234b
- SHA512 bae96bc9f62082e1dac122dbbc34df4503a497ee3c198b8e05bd33459f914d4fae8d7a284253a45f6f08fbe9c7488fb7b53924522e76ed5b053a231f7883704a
- SSDEEP 192:aIU0YzxURqp0mVY+f5XeDE49yry+a9ydKInIlPtkaxnLD1LXVBvbcENwwZUU1r1Z:rYzxrp0lmaIOt1LXDXEIZdiMlBUp9509
- MD5 SHA1 SHA512 SSDEEP