Analysis
-
max time kernel
143s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
01/01/2024, 18:47
Static task
static1
Behavioral task
behavioral1
Sample
3d9a677ec60a3493bb4e8a53dd0cdae4.exe
Resource
win7-20231129-en
General
-
Target
3d9a677ec60a3493bb4e8a53dd0cdae4.exe
-
Size
285KB
-
MD5
3d9a677ec60a3493bb4e8a53dd0cdae4
-
SHA1
50a9f88d3f0a6e739448feb738c7a8633044f333
-
SHA256
9f613dcad83a0667f77f7854f0cce2271e2dfca832ffa601c639ba2229e2ccd5
-
SHA512
5330ab21d1249f0234f9abb751607ac3afebc33c5c0a31cec94d0a9813f960545d4e8f4b6b7a9d10fd13707cf6d7422cb54cd89e596a9692d32e47cb0ad5cc02
-
SSDEEP
6144:2Fr8XRup34sB7VF4iE/XO3KxiYVS7GK5xxt8ZkBrVk6s36Gn+W:2Nx4A7vG/ea8cSFxx60rVJs36G1
Malware Config
Signatures
-
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "3" 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Disables taskbar notifications via registry modification
-
Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Executes dropped EXE 1 IoCs
pid Process 2356 97CD.tmp -
Loads dropped DLL 2 IoCs
pid Process 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/memory/2004-1-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/2004-60-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/1736-63-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/1760-201-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/2004-206-0x0000000000400000-0x000000000046B000-memory.dmp upx behavioral1/memory/2004-332-0x0000000000400000-0x000000000046B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\091.exe = "C:\\Program Files (x86)\\LP\\F1B4\\091.exe" 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\LP\F1B4\091.exe 3d9a677ec60a3493bb4e8a53dd0cdae4.exe File opened for modification C:\Program Files (x86)\LP\F1B4\97CD.tmp 3d9a677ec60a3493bb4e8a53dd0cdae4.exe File opened for modification C:\Program Files (x86)\LP\F1B4\091.exe 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1536 explorer.exe -
Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeRestorePrivilege 2944 msiexec.exe Token: SeTakeOwnershipPrivilege 2944 msiexec.exe Token: SeSecurityPrivilege 2944 msiexec.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe Token: SeShutdownPrivilege 1536 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
pid Process 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe 1536 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2004 wrote to memory of 1736 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 31 PID 2004 wrote to memory of 1736 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 31 PID 2004 wrote to memory of 1736 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 31 PID 2004 wrote to memory of 1736 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 31 PID 2004 wrote to memory of 1760 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 34 PID 2004 wrote to memory of 1760 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 34 PID 2004 wrote to memory of 1760 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 34 PID 2004 wrote to memory of 1760 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 34 PID 2004 wrote to memory of 2356 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 35 PID 2004 wrote to memory of 2356 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 35 PID 2004 wrote to memory of 2356 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 35 PID 2004 wrote to memory of 2356 2004 3d9a677ec60a3493bb4e8a53dd0cdae4.exe 35 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" 3d9a677ec60a3493bb4e8a53dd0cdae4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer 3d9a677ec60a3493bb4e8a53dd0cdae4.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exe"C:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exe"1⤵
- Modifies security service
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2004 -
C:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exeC:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exe startC:\Users\Admin\AppData\Roaming\4C96D\137F1.exe%C:\Users\Admin\AppData\Roaming\4C96D2⤵PID:1736
-
-
C:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exeC:\Users\Admin\AppData\Local\Temp\3d9a677ec60a3493bb4e8a53dd0cdae4.exe startC:\Program Files (x86)\6D7E9\lvvm.exe%C:\Program Files (x86)\6D7E92⤵PID:1760
-
-
C:\Program Files (x86)\LP\F1B4\97CD.tmp"C:\Program Files (x86)\LP\F1B4\97CD.tmp"2⤵
- Executes dropped EXE
PID:2356
-
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2944
-
C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1536
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
102KB
MD56d7f922d6214ef1996346395afd017be
SHA15594d286e8b8e46008426e15ffd53e86f4143d15
SHA2564e58ef597c40404d3286c87cc13ea0563f4d08dacb4b40ea3d8b6744221898ae
SHA5129dc8ac8d33268face5a007dce5cf5c7c1b749f1a656fdc70276ad431392978f47fbbae0e1d625040acc01641d9f7b5341d7b28b68169f39a1df789ea12654626
-
Filesize
600B
MD596ee3ea2bb2ea776f8583eecac33d9a8
SHA1c56deda70b1fae869f8b763135d2c2ed66f8b20f
SHA25603d1594daba0ca44f13a3ad25de1a86a5ede178ac8a6b37d52e471d832ad47d8
SHA512ca9e47a6cd085533e27855d48137a48ae7a151d88d4ce1088952e3ba986cf9d46d2238e4ccf9724e7f2b856e52aec4c2946504652d7f20f07192ee42ee63579d
-
Filesize
996B
MD5892200198a8a45fa067e0467b569bd23
SHA152e44700f29ebf9c1a509ce29d4ef85ae10877df
SHA256ab6292abc696d7ec067def5f8aa05055eabb62d9acb21a96d5e9aeab3d53e1c9
SHA51265af0c7383d73bc58fbda540c1706bc540d423cfd1c3455d0173db896c92b41268c2ed32a7cc0d1ddc78123cf18424f9db9a05ed6e32dbffd7d0bf8fa76d10d2
-
Filesize
1KB
MD562f7e3145082498c118d0299c336228e
SHA1eca756ca9e1fb36c06cf92cadd553a4483d30c71
SHA256b65fe52b4f319e9d979d6405c8bee80b5549bf4c347337d03a33b059ad88dcb3
SHA51290d271b9d28eca71a7ae05e4dc47238d8ed843b2e45f9900a7449ee54ce42f01f17aa9f28cafa3cff1d19fce4f104774d8759c557270cf30c8a6bd1e32b741a9