Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-11-2024 19:58
General
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Target
2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe
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Size
12.0MB
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MD5
651569dc38ce166968498029ecb14ce0
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SHA1
4de86e0e48d5722556f0c20da781ed2a814bf784
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SHA256
c21d62b3032b34622a925a5a6ac44c52264c1e7bdaf12597874c637c50d06943
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SHA512
96510f33536638ef86ba695cdbaf5a4fb6ba40266b7abb433813b4a541d8440da3933e315f20eefee22ffb952a92de5060233ea6b1f5a8eb027fa42c8be70b85
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SSDEEP
196608:lR668aaELMR668aaELmR668aaELwR668aaELKR668aaEL4R668aaELeFIF0wu:lp8aatp8aaXp8aaxp8aa7p8aaZp8aap
Malware Config
Extracted
xred
xred.mooo.com
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payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Signatures
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Remcos family
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Xred
Xred is backdoor written in Delphi.
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Xred family
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 4 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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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 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies registry class 2 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 19 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of SetWindowsHookEx 5 IoCs
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Suspicious use of WriteProcessMemory 49 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB4F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2024-11-22_651569dc38ce166968498029ecb14ce0_avoslocker_formbook_hijackloader_luca-stealer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp315C.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
12.0MB
MD5651569dc38ce166968498029ecb14ce0
SHA14de86e0e48d5722556f0c20da781ed2a814bf784
SHA256c21d62b3032b34622a925a5a6ac44c52264c1e7bdaf12597874c637c50d06943
SHA51296510f33536638ef86ba695cdbaf5a4fb6ba40266b7abb433813b4a541d8440da3933e315f20eefee22ffb952a92de5060233ea6b1f5a8eb027fa42c8be70b85
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Filesize
144B
MD59c788fdbfc47a6f71eb184c167a9cc9c
SHA12d2af68afef006721eeaa779ad0716b69ec5f2d9
SHA25657a2ab733476c4e0048e77df2eeb60053d38c2f77eb3583d1b7706aebc399592
SHA512d45f57ba9beac15f260730a85e3e03bc9e267bcc641da2c9f905bef4ad6d9d53997712ea1fae24f227d7b2155ca5bbb4ff8004b5f7a1ae1760c989a37394e3b9
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5e3371b761fcdde0499388f9e8c9215ec
SHA14bccf4132f56c9e93ddc7aa0604dddbdcde4ea2d
SHA256bfc90e11fa330901bc353a372e736ce22a3077719b5a2867dab68a8182afc704
SHA512adcfad81867ca799d77c4b8f717ef0267c348ea80f4de0cdd162107da6452757eb711b116a74f61c413aa223a327f56c0b4622d0aa7b0e2d93956bea405db5d8
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Filesize
18KB
MD5ee226d6728643ae4dcb9424c26c2fcf1
SHA11bae34eabd5b16dc9d261a2c8bb1ac5a59adeeb5
SHA2564637381e01c5670a27ff392c85136abcba8679e191e98aaaafd2b906a7b5b3e4
SHA512a175ab1c4ed478b2903b85d8b081872d6968d4673713f015acee8a9250b4ca5e54c9cf18e50805a64b8c65b3bd0196f31f9f60e4ca9e1cec5d24bafecdad3c0f
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Filesize
483KB
MD5f3b57ccad1c0a308635e17aa591e4038
SHA1ca67ad3c74523b844fc23563f7b288f0389fd645
SHA2565ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7
SHA5125ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD545faf9ffc7f5c31618fcab054899ec16
SHA1ebd826d8f07eaa77dcf0a0608933ee86b1d0241f
SHA256b77409a2acbe2095720dcc29a9bcc181289cfda7221b48d0bc33c993a94d9c1a
SHA512a2dc348239e2974e6edfe715054b1c9285f8d8db73943ac51d693992a1df6a0f19698c3e240fd8ec455dacc3c16f94266f81688c5ebb2b9cdf6be315f8d2d476
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Filesize
96KB
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Filesize
584KB
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Filesize
1.5MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
4KB
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Filesize
7.7MB
-
Filesize
4KB
-
Filesize
12.0MB
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Filesize
40KB
-
Filesize
5.6MB
-
Filesize
68KB
-
Filesize
304KB
-
Filesize
652KB
-
Filesize
304KB
-
Filesize
80KB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
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Filesize
32KB
-
Filesize
136KB
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Filesize
7.7MB
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Filesize
408KB
-
Filesize
3.3MB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
7.7MB
-
Filesize
6.2MB
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Filesize
7.7MB
-
Filesize
408KB
-
Filesize
304KB
-
Filesize
104KB
-
Filesize
200KB
-
Filesize
652KB
-
Filesize
56KB
-
Filesize
68KB
-
Filesize
216KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
120KB
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Filesize
6.5MB