Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 10:42
Static task
static1
Behavioral task
behavioral1
Sample
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe
Resource
win7-20221111-en
General
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Target
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe
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Size
236KB
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MD5
b02e9f04340c4859ae94cbe4ad593a36
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SHA1
05d65b274877fad4ac3a2e794f5dd121397db336
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SHA256
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193
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SHA512
6c3a8acf4f9f240d09e1ea5c40e760383b3540e3a0ec761b04e3c378f6aeaba87c1c9c1f58f55cbd571fed344f5ca5872090062ca87a77aa63d0ccd173d5067a
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SSDEEP
3072:m+Rj6SlhkgQqkP3A/01fluSC0/0IvmULf3df6lEJGz/JnnAO/4:m+bhEqCBm20Yb2w
Malware Config
Extracted
pony
http://192.254.67.81/~mentor/endy/contact.php
Signatures
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Executes dropped EXE 2 IoCs
Processes:
Skype.exeSkype.exepid process 3076 Skype.exe 2352 Skype.exe -
Processes:
resource yara_rule behavioral2/memory/2352-141-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/2352-144-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/2352-145-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/2352-146-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/2352-147-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/2352-149-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Skype.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation Skype.exe -
Drops startup file 2 IoCs
Processes:
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
Skype.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Skype.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
Skype.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Skype.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Skype.exedescription pid process target process PID 3076 set thread context of 2352 3076 Skype.exe Skype.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
Skype.exedescription pid process Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe Token: SeImpersonatePrivilege 2352 Skype.exe Token: SeTcbPrivilege 2352 Skype.exe Token: SeChangeNotifyPrivilege 2352 Skype.exe Token: SeCreateTokenPrivilege 2352 Skype.exe Token: SeBackupPrivilege 2352 Skype.exe Token: SeRestorePrivilege 2352 Skype.exe Token: SeIncreaseQuotaPrivilege 2352 Skype.exe Token: SeAssignPrimaryTokenPrivilege 2352 Skype.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exeSkype.exepid process 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe 3076 Skype.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exeSkype.exeSkype.exedescription pid process target process PID 2416 wrote to memory of 4012 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe cmd.exe PID 2416 wrote to memory of 4012 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe cmd.exe PID 2416 wrote to memory of 4012 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe cmd.exe PID 2416 wrote to memory of 3076 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe Skype.exe PID 2416 wrote to memory of 3076 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe Skype.exe PID 2416 wrote to memory of 3076 2416 04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 3076 wrote to memory of 2352 3076 Skype.exe Skype.exe PID 2352 wrote to memory of 2876 2352 Skype.exe cmd.exe PID 2352 wrote to memory of 2876 2352 Skype.exe cmd.exe PID 2352 wrote to memory of 2876 2352 Skype.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
Skype.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Skype.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe"C:\Users\Admin\AppData\Local\Temp\04d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193.exe"1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c C:\Users\Admin\AppData\Local\Temp\12.ico2⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240631187.bat" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe" "4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\240631187.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exeFilesize
236KB
MD5b02e9f04340c4859ae94cbe4ad593a36
SHA105d65b274877fad4ac3a2e794f5dd121397db336
SHA25604d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193
SHA5126c3a8acf4f9f240d09e1ea5c40e760383b3540e3a0ec761b04e3c378f6aeaba87c1c9c1f58f55cbd571fed344f5ca5872090062ca87a77aa63d0ccd173d5067a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exeFilesize
236KB
MD5b02e9f04340c4859ae94cbe4ad593a36
SHA105d65b274877fad4ac3a2e794f5dd121397db336
SHA25604d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193
SHA5126c3a8acf4f9f240d09e1ea5c40e760383b3540e3a0ec761b04e3c378f6aeaba87c1c9c1f58f55cbd571fed344f5ca5872090062ca87a77aa63d0ccd173d5067a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exeFilesize
236KB
MD5b02e9f04340c4859ae94cbe4ad593a36
SHA105d65b274877fad4ac3a2e794f5dd121397db336
SHA25604d13378d882a455b608c24e8cd39b2cb012067028d3be9a686bd1d9ca026193
SHA5126c3a8acf4f9f240d09e1ea5c40e760383b3540e3a0ec761b04e3c378f6aeaba87c1c9c1f58f55cbd571fed344f5ca5872090062ca87a77aa63d0ccd173d5067a
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memory/2352-140-0x0000000000000000-mapping.dmp
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memory/2352-141-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2352-144-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2352-145-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2352-146-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2352-147-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2352-149-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/2876-148-0x0000000000000000-mapping.dmp
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memory/3076-135-0x0000000000000000-mapping.dmp
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memory/4012-134-0x0000000000000000-mapping.dmp