Analysis
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max time kernel
142s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
25-03-2024 17:28
Static task
static1
Behavioral task
behavioral1
Sample
de8e57ce36c3b6d7a08e9d8291d64f34.exe
Resource
win7-20240215-en
General
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Target
de8e57ce36c3b6d7a08e9d8291d64f34.exe
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Size
274KB
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MD5
de8e57ce36c3b6d7a08e9d8291d64f34
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SHA1
eb9dc8c686c18c4d88bcbc74805cf73a4f760122
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SHA256
c069224235b4f48f9835b50a00d791a0d2e98a34c2073b60a51aea2e1c9bfbd2
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SHA512
59df4e64cf95770a4e64990f8346c9f9376fcfd31d2c8c3bca315683c70959b1a5f4c0f8d7e4a3d389e87bf384133c83b7c0b2ba68838bea9ba33fa572cd74ed
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SSDEEP
6144:5dZ8oLDWKzjZcYrieLvzbNqWf2WeNR51WHhDxw2Qvgx4:7LpzjeWLfmRHMhDxw2n
Malware Config
Signatures
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Modifies security service 2 TTPs 1 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "3" de8e57ce36c3b6d7a08e9d8291d64f34.exe -
Disables taskbar notifications via registry modification
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Executes dropped EXE 1 IoCs
Processes:
A2F3.tmppid process 1516 A2F3.tmp -
Loads dropped DLL 2 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exepid process 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral1/memory/2892-2-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2892-77-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2052-79-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2892-233-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/1192-236-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/1192-235-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2892-351-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2892-357-0x0000000000400000-0x000000000046A000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\596.exe = "C:\\Program Files (x86)\\LP\\7F43\\596.exe" de8e57ce36c3b6d7a08e9d8291d64f34.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 3 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exedescription ioc process File created C:\Program Files (x86)\LP\7F43\596.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe File opened for modification C:\Program Files (x86)\LP\7F43\A2F3.tmp de8e57ce36c3b6d7a08e9d8291d64f34.exe File opened for modification C:\Program Files (x86)\LP\7F43\596.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exepid process 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1404 explorer.exe -
Suspicious use of AdjustPrivilegeToken 15 IoCs
Processes:
msiexec.exeexplorer.exedescription pid process Token: SeRestorePrivilege 2668 msiexec.exe Token: SeTakeOwnershipPrivilege 2668 msiexec.exe Token: SeSecurityPrivilege 2668 msiexec.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe Token: SeShutdownPrivilege 1404 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
Processes:
explorer.exepid process 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
Processes:
explorer.exepid process 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe 1404 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exedescription pid process target process PID 2892 wrote to memory of 2052 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 2052 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 2052 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 2052 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 1192 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 1192 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 1192 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 1192 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe de8e57ce36c3b6d7a08e9d8291d64f34.exe PID 2892 wrote to memory of 1516 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe A2F3.tmp PID 2892 wrote to memory of 1516 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe A2F3.tmp PID 2892 wrote to memory of 1516 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe A2F3.tmp PID 2892 wrote to memory of 1516 2892 de8e57ce36c3b6d7a08e9d8291d64f34.exe A2F3.tmp -
System policy modification 1 TTPs 2 IoCs
Processes:
de8e57ce36c3b6d7a08e9d8291d64f34.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer de8e57ce36c3b6d7a08e9d8291d64f34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" de8e57ce36c3b6d7a08e9d8291d64f34.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
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C:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.exe"C:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.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
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C:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.exeC:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.exe startC:\Users\Admin\AppData\Roaming\3A7AC\DD87F.exe%C:\Users\Admin\AppData\Roaming\3A7AC2⤵
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C:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.exeC:\Users\Admin\AppData\Local\Temp\de8e57ce36c3b6d7a08e9d8291d64f34.exe startC:\Program Files (x86)\ACE36\lvvm.exe%C:\Program Files (x86)\ACE362⤵
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C:\Program Files (x86)\LP\7F43\A2F3.tmp"C:\Program Files (x86)\LP\7F43\A2F3.tmp"2⤵
- Executes dropped EXE
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\3A7AC\CE36.A7AFilesize
297B
MD5f35de969e48aeafe599485c0bb8a77f8
SHA1a13e667d2f138998fd8d84cd3b38584dfbe0f679
SHA2560e022b233d7359815c17c203beb3395c10e7332f5d47ccc50b239a8df8da7390
SHA512429d040fa55156fd62072d7d3c33b2126f2532e37e31502033206488a78a73ed6994f847791b8896f9d1d3a48d717d0ab3ec469c081bacac588e7c3dea93b044
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C:\Users\Admin\AppData\Roaming\3A7AC\CE36.A7AFilesize
1KB
MD595d3eac5a06414fb218182ec76c31385
SHA1f096a8fba7a6773865c42eb6a77906420723430c
SHA256eae0315b56b075558e88e1dd20ddccc45515548ede3b52c025ee395b1a09347f
SHA5122e0d8bc09435218a3d4ce271d9341100d9d56f3ba899db25726beeebfd3d59c52a028a6c8b138cdef1b20a3d33fe1c25ed7801715812110896c775f5cfcdf5ae
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C:\Users\Admin\AppData\Roaming\3A7AC\CE36.A7AFilesize
1KB
MD5b407ae31188c6fc7afe1aa056d539aea
SHA144b01a671b35b346ca35d5f742d62b775e0218c7
SHA256f32451e0ccd350d738ae57af3bc7e824edc8d31945402e790672e6d5a1055ac2
SHA5128664740638546587ea689baa81218ea9089f2b9c68ec88e89240f428ed280b16d06ada69b1c18472768163bce4af089d8b3718415babc69d14ea78761d11d2e1
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C:\Users\Admin\AppData\Roaming\3A7AC\CE36.A7AFilesize
2KB
MD54d7c6ed00ab6ebebb35d8010af41de84
SHA1777f8c990d2d444473b9c433bb4a5d22455f5344
SHA256656416f8aeacb8604822a6c09068b09a27d9e3134acba9ec3234afc67ddb1c74
SHA512c59ab0043bca431426e03afe05f45a572dbc6a53a04db6ee5fa79c2f3b90938f77e3cbc22589bec2836711a24e079290759f5774ea1412a02fe2d74b1b206c83
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C:\Users\Admin\AppData\Roaming\3A7AC\CE36.A7AFilesize
897B
MD581d48bb770fdaf7cb245ac1dec2a2eb4
SHA11e2a8b61c203f45e084ef3fbd1a2b6698c8cc1eb
SHA256f78bf975423546d76e28aa66fe7b8d122d98d72e6a99814b404f68137a5374bf
SHA512cfc86a827ed41c719e57e770e48713fa1f36e0b2432aaf0508b5802f13d40769cfff997b89cc031166f26926456f3d45af472464e74595aba5d3f5a87f80af68
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\Program Files (x86)\LP\7F43\A2F3.tmpFilesize
96KB
MD5cad2c820b73a6442ef964123f5c9c4f6
SHA17a10cae630948eb0700d8b2b06b3468164b5d1d4
SHA2565a15cf2c4f52cc40004187ed98441fd921823b43f1eb1fcc36954635936df7f0
SHA5124d0e07556f5008543edba456647239f51087b5e4ad3895d12b0ae8d73247665f336a26ba4560a337a0e701d67e86a7ac1eb8dad5f6e660ac8ec402eefd43ab05
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memory/1192-235-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1192-236-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1192-237-0x0000000000646000-0x0000000000669000-memory.dmpFilesize
140KB
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memory/1404-354-0x0000000004130000-0x0000000004131000-memory.dmpFilesize
4KB
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memory/1404-232-0x0000000004130000-0x0000000004131000-memory.dmpFilesize
4KB
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memory/1516-254-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1516-352-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1516-255-0x00000000002D0000-0x00000000003D0000-memory.dmpFilesize
1024KB
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memory/2052-79-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2052-80-0x0000000000576000-0x0000000000599000-memory.dmpFilesize
140KB
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memory/2892-77-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2892-0-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2892-3-0x0000000000290000-0x0000000000390000-memory.dmpFilesize
1024KB
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memory/2892-2-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2892-351-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2892-233-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2892-127-0x0000000000290000-0x0000000000390000-memory.dmpFilesize
1024KB
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memory/2892-357-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB