Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
16-11-2024 20:09
General
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Target
2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe
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Size
3.8MB
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MD5
3ef3af23bc1cf2e9387548202296bf78
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SHA1
5b54b229bccc4071df18eed8d1910e11e8704fec
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SHA256
f5a1bb35256d27e0b6a4fb1328092433a0063422d9aed3d633cbbe0bf26fcb0c
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SHA512
47d80de4167ab270246a115a85f0b58c964bb9633b81934f6240e4a6804b190b9ce653cf8ca8d10dbdaf99f36b5d56f7dd07c275c89347da5ca0a8f74d952363
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SSDEEP
98304:p3h6d68gwIteZNiiPwVpaOU/jIEeQfoR/IuOFVjUu5:pR668aaELeFIF0wu
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 9 IoCs
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Suspicious use of WriteProcessMemory 49 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_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\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_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\tmpB07.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_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_2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2024-11-16_3ef3af23bc1cf2e9387548202296bf78_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\tmp7191.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
3.8MB
MD53ef3af23bc1cf2e9387548202296bf78
SHA15b54b229bccc4071df18eed8d1910e11e8704fec
SHA256f5a1bb35256d27e0b6a4fb1328092433a0063422d9aed3d633cbbe0bf26fcb0c
SHA51247d80de4167ab270246a115a85f0b58c964bb9633b81934f6240e4a6804b190b9ce653cf8ca8d10dbdaf99f36b5d56f7dd07c275c89347da5ca0a8f74d952363
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Filesize
144B
MD58c713724f041c7f54aea57d0d69671ff
SHA1d6b14e5b7fb4e11347677507e1b365aff4e10ce5
SHA2562680e13b8e2973bce077cb553cf03ff02e4db2b253dc6810712a26fe84a63a26
SHA512914f5312ae673e1eabac2f5ce49c2e7e6f862d2c947699f68e3ce742658a5e9b136af313c50ddb63cec225059e316957d7e952ac8759edcd2c0a916c16e79866
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5d6e3e8db78d0b7a163b8e3b9904ad88f
SHA13a7fdd78c67bc1e3ca8f3f4d30a18766fb2496cf
SHA256878eb83f75eda42438ac507f95fac04928e6a487b8bbabae2edb25c079488f95
SHA512cd55d5c2f4c0f529711722ce115bf72ee58a2c80858052cfaa9f9fd575937d425694014f85926633c9b6500d48e583cf1aa13838eaabc75d1ba6548dcd52306e
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Filesize
18KB
MD5ea779e179f93b43e9211d8cffb781289
SHA19ae12bd4b50a1e53864a66685489ca1bd8ccf4a0
SHA256b1b314d6bbc2c72ea8fa6569f5594d21c484b3c0def44a26be84c0cc1d424578
SHA512d8eeea6df7fe1d86dba24ef95bc218af96e5429a75e180117363d9001706addd4262e2d1d4b4b2ceb7dd470f71a00ae4466ddd09af53f35abfcb83549235a852
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Filesize
483KB
MD5f3b57ccad1c0a308635e17aa591e4038
SHA1ca67ad3c74523b844fc23563f7b288f0389fd645
SHA2565ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7
SHA5125ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a
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Filesize
25KB
MD5b4bd1b54aa4e1190703c5530a1833eae
SHA16e45860309882450bfba9862ebbeb15abe2d2c9f
SHA2568f5f145bc8d784c3cb923638ace8d22ebdbbda996b5969e30ef71bf766142110
SHA512c15d0cb0acd8ea491eaab464c6818b0685a5a136869907b83cbea6533555f575f64ad38a84255b8142c595bc1c8257b0a9367d46898ce55d78d923c2c906142b
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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
MD5c0c60223f55947d7ee2c4cf18c534bad
SHA114c555ae7f31bf757f5bff36f9ec3748961e368d
SHA256f8699c85ce8dfb8795ee55617efec9bb570c99df5c34bd73e3c4f1f000a483eb
SHA5122d199d22d90bd558ad849d7f45a6a0ca130f9b2a5bb582daaf8b8d0a3f6e3be6c9e7a5145f91eaf5d0bb52fa538a827114f210e3f90fba5ca7fee9748b86bb8f
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Filesize
1.2MB
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Filesize
1.2MB
-
Filesize
408KB
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Filesize
7.7MB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
7.7MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
304KB
-
Filesize
652KB
-
Filesize
80KB
-
Filesize
68KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
5.6MB
-
Filesize
7.7MB
-
Filesize
40KB
-
Filesize
7.7MB
-
Filesize
624KB
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Filesize
7.7MB
-
Filesize
96KB
-
Filesize
1.5MB
-
Filesize
4KB
-
Filesize
584KB
-
Filesize
3.9MB
-
Filesize
4KB
-
Filesize
304KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
40KB
-
Filesize
216KB
-
Filesize
7.7MB
-
Filesize
6.2MB
-
Filesize
7.7MB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
7.7MB
-
Filesize
68KB
-
Filesize
600KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
652KB
-
Filesize
200KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
120KB