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Analysis
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max time kernel
95s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2024, 05:30
Behavioral task
behavioral1
Sample
997a5c705e9f2761962ac35ebcdd88a0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
997a5c705e9f2761962ac35ebcdd88a0N.exe
Resource
win10v2004-20240802-en
General
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Target
997a5c705e9f2761962ac35ebcdd88a0N.exe
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Size
1.1MB
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MD5
997a5c705e9f2761962ac35ebcdd88a0
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SHA1
ab637b8c25b4e5677a9eb89c2d649400ff1314fe
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SHA256
b2ee5bd5b0e3cc0f9309ff42323f66f638542301d33beefa600a23a90ed94801
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SHA512
719a9c6406e5f598af03c543bd63dedae2e6e11478419c515fe251f9c2729e29ee9a0e0283e0bd959c6af7b23b81bcf7ff67b935583ff38798df533c8e3f1430
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SSDEEP
24576:Sq5TfcdHj4fmbo2q40MmV0VMXfGqcnUsG0Eh3lWaUnfnnO/sWv5:SUTsamsxw3nhwlonnO/l
Malware Config
Signatures
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RevengeRAT
Remote-access trojan with a wide range of capabilities.
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RevengeRat Executable 1 IoCs
resource yara_rule behavioral2/files/0x00070000000234e7-6.dat revengerat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 997a5c705e9f2761962ac35ebcdd88a0N.exe -
Executes dropped EXE 1 IoCs
pid Process 5048 dmr_72.exe -
resource yara_rule behavioral2/memory/4072-0-0x0000000000760000-0x00000000009D8000-memory.dmp upx behavioral2/memory/4072-20-0x0000000000760000-0x00000000009D8000-memory.dmp upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4072-20-0x0000000000760000-0x00000000009D8000-memory.dmp autoit_exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 997a5c705e9f2761962ac35ebcdd88a0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language 997a5c705e9f2761962ac35ebcdd88a0N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage 997a5c705e9f2761962ac35ebcdd88a0N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5048 dmr_72.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5048 dmr_72.exe 5048 dmr_72.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4072 wrote to memory of 5048 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 86 PID 4072 wrote to memory of 5048 4072 997a5c705e9f2761962ac35ebcdd88a0N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.exe"C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54424000 -chipde -3d028f571a294c49bf4fc1a757ae8e8c - -BLUB2 -mauixztajqghjdko -40722⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
375KB
MD5a00dc5a8831c076ff536b072415fcee3
SHA147b19ab97028d8925579bed54efee88c8107d6b6
SHA256c9d8f7c9bcfa4758e17808dd79673ac10c22f37ccd37549543b16028b43dfe79
SHA512642dbe332ab25ef7e3dfb9e29ca545312c339efa373f1a8da16686e26eda6c0219526b82989c65ead6a74e9ecbe9eca0de0283129832dd59394969c4b2886a4b
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Filesize
163B
MD5f2f3ab77e7330e37810228d664104210
SHA14fa79cc5a9b61484c2fbdc0bd2b08a031a17eec7
SHA2563bccb8c3f6cac6b52fb2e92e8b8e52e7e795dc9130b263293aca08dace98f1e4
SHA5120d143246ee4031e67ab69e25591a86f8bdead99564d4dba72a59cfa5fda5c3ea74691b394e71277e27378c53cba8786481ccb35bb268309ab3d1f8ded7c13713