Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 17:02
General
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Target
2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe
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Size
10.3MB
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MD5
2a81612230b02615315a616e07082069
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SHA1
6b265c4c2e5e501e9b2d4d4ccd1a552346d42c2e
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SHA256
8728c59c5bbde231becddfd54466842b04b84cfd28c9813be9eaf27e2b3b27fd
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SHA512
0cd17c9880c51ad101287caa4bde261854a1807791042b6171cb1f9e7f360cf86d2234bec45a6e92cb2e81ae392f999e6cc4c8998c6097ba89f70bc20d65a092
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SSDEEP
196608:FR668aaELmR668aaELwR668aaELKR668aaEL4R668aaELeFIF0wu:Fp8aaXp8aaxp8aa7p8aaZp8aap
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 21 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 52 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_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\2024-12-31_2a81612230b02615315a616e07082069_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\tmpF3A7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-31_2a81612230b02615315a616e07082069_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_2024-12-31_2a81612230b02615315a616e07082069_avoslocker_formbook_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-31_2a81612230b02615315a616e07082069_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\tmp51E4.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
10.3MB
MD52a81612230b02615315a616e07082069
SHA16b265c4c2e5e501e9b2d4d4ccd1a552346d42c2e
SHA2568728c59c5bbde231becddfd54466842b04b84cfd28c9813be9eaf27e2b3b27fd
SHA5120cd17c9880c51ad101287caa4bde261854a1807791042b6171cb1f9e7f360cf86d2234bec45a6e92cb2e81ae392f999e6cc4c8998c6097ba89f70bc20d65a092
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Filesize
144B
MD5a9368eeeee12141636704f1095085a98
SHA15d92fb9e52709b232826d57004b7482207f9b43e
SHA2569848ffbef49bb81aa13f5a7e12247775463a826ec7b80079ba155cc463779cf7
SHA512504a4ea806f77aff75bf903d843d2340bb4cce95e678bc62f57fda7d1feea38dd1a699dbf6ef33f5f15f10539b751045efcb0f0f71224d46b1526219d6497e6f
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD5e6890d4174df1e69e662eac61599ac8d
SHA10e0e5be7cca5df748779e16827559aef075e4505
SHA2565c1a55beff7b261582db723f724eaa7cf4287ce8b3dc49b0d2adc3526a37d3ee
SHA512f2366b3a1a0f92eab1125d115b8a11a547b44287c77aa353c3ae7f9fc4afb52d354bda802476bab4335bdfd2ea841b7329b51bb4d0e39a72fc830afd3640c2bf
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Filesize
18KB
MD56e3c5096f8f962efcb0704f66666389a
SHA113d7277ebf2b35591006fa0d3885943f8c726ddc
SHA25636ef0498c94695d457a1400083ad7b34362ace19881ebc2629cfd868c18de835
SHA51207fd042b16779977c7f27c3558066ce803787290cb46b3125bf4220242e7b1fa6f7efd48e02f7de5e074fd23584af5af2be748179cd00a032096fa5f7329e76c
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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
MD5c0c60223f55947d7ee2c4cf18c534bad
SHA114c555ae7f31bf757f5bff36f9ec3748961e368d
SHA256f8699c85ce8dfb8795ee55617efec9bb570c99df5c34bd73e3c4f1f000a483eb
SHA5122d199d22d90bd558ad849d7f45a6a0ca130f9b2a5bb582daaf8b8d0a3f6e3be6c9e7a5145f91eaf5d0bb52fa538a827114f210e3f90fba5ca7fee9748b86bb8f
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
304KB
-
Filesize
304KB
-
Filesize
3.3MB
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Filesize
80KB
-
Filesize
7.7MB
-
Filesize
68KB
-
Filesize
600KB
-
Filesize
80KB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
652KB
-
Filesize
4KB
-
Filesize
5.6MB
-
Filesize
7.7MB
-
Filesize
40KB
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Filesize
7.7MB
-
Filesize
96KB
-
Filesize
4KB
-
Filesize
624KB
-
Filesize
1.5MB
-
Filesize
584KB
-
Filesize
10.4MB
-
Filesize
7.7MB
-
Filesize
1.2MB
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Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
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Filesize
1.2MB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
40KB
-
Filesize
104KB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
6.5MB
-
Filesize
200KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
408KB
-
Filesize
56KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
3.3MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
304KB
-
Filesize
652KB