Analysis
- max time kernel
145s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
24/10/2024, 01:19
Static task
static1
Behavioral task
behavioral1
Sample
d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
- Target d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
- Size 539KB
- Sample241024-bpqq9azfqq
- SHA256 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400
- MD5 4183d5786fe2a0e4563c5a0cf57d92f6
- SHA1 2fc414de34b92a56712c6684c84af970037b81f5
- SHA512 8d86235c4d4060d656a1a2349a43e7ddfc9d036d476dbf8b9d404af060b754eb33bdc74ee03881f769fd19a60b87daefc696e48ee33f40b1e24f358dfe9a87fc
- SSDEEP 12288:DMq47lWuTq/3dOxotjTps+ZHmkHN3HiPCpfBVxe:I/WuTsoWt1HnHpHiwVI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.mgcconstrucciones.com.co
-
Port
587
-
Username
-
Password
Mgonzalez@2021.
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.mgcconstrucciones.com.co
-
Port
587
-
Username
-
Password
Mgonzalez@2021.
-
Email to
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/1840-448-0x0000000000450000-0x00000000016A4000-memory.dmp family_snakekeylogger behavioral2/memory/1840-449-0x0000000000450000-0x0000000000476000-memory.dmp family_snakekeylogger - Loads dropped DLL 2 IoCs
pid Process 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 30 drive.google.com 31 drive.google.com - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 43 checkip.dyndns.org - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1840 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 1840 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3108 set thread context of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1840 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 1840 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1840 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3108 wrote to memory of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 PID 3108 wrote to memory of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 PID 3108 wrote to memory of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 PID 3108 wrote to memory of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 PID 3108 wrote to memory of 1840 3108 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe 94 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1840
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nscBFF5.tmp\System.dll
- Size 11KB
- SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
- MD5 cf85183b87314359488b850f9e97a698
- SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
- SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b
- SSDEEP 96:3IsUxO9udx4qYp7AJb76BykUbQMtHUOA5Iv+RnsrqeXV+d1g2IW9t2c+cEwF9oug:YVL7ikJb76BQUoUm+RnyXVYO2RvHoug
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Music\incinerations.lnk
- Size 750B
- SHA256 d2446518a6fbc09971fd8bfcd6e3bd4446d3b21af7f6a6ec4175c97d6a2a6366
- MD5 903e05e67b416ee7e44de86feef1a5d0
- SHA1 cc6925d184aebbb03577458d71d259d745d126b7
- SHA512 919c096b137031787577891955b7a01cdfabfc1e2d3dee149631b510be627b4a6aea7ecf5eb4230ed6440463ab8fb8034d2b0002accd8005f08e566b2681da9a
- MD5 SHA1 SHA512