Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2025 09:56
Behavioral task
behavioral1
Sample
81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe
Resource
win10v2004-20241007-en
General
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Target
81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe
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Size
1.4MB
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MD5
8d61b160122f042623818b6b04a75330
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SHA1
3db6b0029721bb9d8ef8171cd9247e107802ce5d
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SHA256
81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8df
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SHA512
92874240826994b6126305df63299041405258342e70d0956274e3460e807b52b57e0aa758c44fa6943ec794b074ef803e2a0f91d4bfeb1735f527b3a69dc539
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SSDEEP
24576:2q5TfcdHj4fmbqOw2qdS0smVkVMyvLlnhWEzKJ9TtLvgl/piakl3Jro0zQJ9TtDT:2UTsamVwxUlC53akl325/
Malware Config
Signatures
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RevengeRAT
Remote-access trojan with a wide range of capabilities.
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Revengerat family
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RevengeRat Executable 1 IoCs
resource yara_rule behavioral2/files/0x000e000000023b9f-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Executes dropped EXE 1 IoCs
pid Process 3632 dmr_72.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/5060-19-0x00000000004D0000-0x00000000007C9000-memory.dmp autoit_exe -
resource yara_rule behavioral2/memory/5060-0-0x00000000004D0000-0x00000000007C9000-memory.dmp upx behavioral2/memory/5060-19-0x00000000004D0000-0x00000000007C9000-memory.dmp upx -
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 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3632 dmr_72.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3632 dmr_72.exe 3632 dmr_72.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5060 wrote to memory of 3632 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 82 PID 5060 wrote to memory of 3632 5060 81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe"C:\Users\Admin\AppData\Local\Temp\81bb81260c6182c6209baa19c4c6b0fc852c7db66850d10bc442f923f43be8dfN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54458834 -chipderedesign -30b3a4f7f5aa457aa22c7c289e14df87 - -BLUB2 -rxglnupbozqoosyk -50602⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
504KB
MD525bbe781403dbd685377647a982df817
SHA15b5ea2f5cec496f99d245a68c884c09f5849e037
SHA256ca718f45191351cdda8ed5ca2c8074c899d32837dd019d325c72e4123b5edbfc
SHA512595644e2542194371d2f3acb27932717464aa9b6e661bc71e5058b8189a433cd1938b49a9c3f241c3a6a675e93cfed97b336a125e2437358a37b0fb6f9714aa2
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Filesize
159B
MD5a33b52a6f0de169aa48c8cad63a9bb68
SHA19f0ea39425fc5006543255becb8a96e46972aab8
SHA25680920af8710cb61b7764b31328d550b3dd9b5aa817b083477983ff9eda016549
SHA51288042f7771ac76c937fdf5448312f261d5fd28e1d26497d8aa2b2ded1884e41b7bf66a875097173c45b736f8940b124cfb635ca7d4ccb31beff4dae900fadaee