Analysis
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max time kernel
149s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
Quotation 20242204.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Quotation 20242204.exe
Resource
win10v2004-20240412-en
General
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Target
Quotation 20242204.exe
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Size
1.6MB
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MD5
603c7916d424615645d6ee0fffa00011
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SHA1
6f464f23eb81606067f93036dc5cdc61f7bb855b
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SHA256
25adcfe6b38aead70b4b0020ecba72d0343b6f3d3bb406100593b7f1349e0300
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SHA512
f400834902c5886b680fa8376fee88c77ec352b0a00221e98fbe268d71ac6feb0826fb5c53d71cb66cc457d6b3a64c3c881f059dd75bb9b097d51868ea07cf90
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SSDEEP
24576:7MkT4gLKu9KKozJQd/HJNRO/BqM6wIJp4m+3bu8U2flxAv:QkTpT9K1mzyqM6wW4mEQ2W
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:47212
officerem.duckdns.org:47212
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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-I8N3XG
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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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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral2/memory/8-2-0x0000000002EB0000-0x0000000003EB0000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
Processes:
easinvoker.exealpha.exepid process 3696 easinvoker.exe 3096 alpha.exe -
Loads dropped DLL 1 IoCs
Processes:
easinvoker.exepid process 3696 easinvoker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Quotation 20242204.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rwksdoeb = "C:\\Users\\Public\\Rwksdoeb.url" Quotation 20242204.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
xcopy.exexcopy.exexcopy.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 38 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 4384 powershell.exe 4384 powershell.exe 4384 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4384 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Quotation 20242204.exepid process 8 Quotation 20242204.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
Quotation 20242204.execmd.exeeasinvoker.execmd.exealpha.exedescription pid process target process PID 8 wrote to memory of 4236 8 Quotation 20242204.exe cmd.exe PID 8 wrote to memory of 4236 8 Quotation 20242204.exe cmd.exe PID 8 wrote to memory of 4236 8 Quotation 20242204.exe cmd.exe PID 4236 wrote to memory of 1428 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 1428 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 1428 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 3364 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3364 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3364 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 884 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 884 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 884 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 3516 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3516 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3516 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 2920 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 2920 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 2920 4236 cmd.exe cmd.exe PID 4236 wrote to memory of 3048 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3048 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3048 4236 cmd.exe xcopy.exe PID 4236 wrote to memory of 3696 4236 cmd.exe easinvoker.exe PID 4236 wrote to memory of 3696 4236 cmd.exe easinvoker.exe PID 3696 wrote to memory of 468 3696 easinvoker.exe cmd.exe PID 3696 wrote to memory of 468 3696 easinvoker.exe cmd.exe PID 468 wrote to memory of 2500 468 cmd.exe extrac32.exe PID 468 wrote to memory of 2500 468 cmd.exe extrac32.exe PID 468 wrote to memory of 3096 468 cmd.exe alpha.exe PID 468 wrote to memory of 3096 468 cmd.exe alpha.exe PID 3096 wrote to memory of 4384 3096 alpha.exe powershell.exe PID 3096 wrote to memory of 4384 3096 alpha.exe powershell.exe PID 8 wrote to memory of 312 8 Quotation 20242204.exe extrac32.exe PID 8 wrote to memory of 312 8 Quotation 20242204.exe extrac32.exe PID 8 wrote to memory of 312 8 Quotation 20242204.exe extrac32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation 20242204.exe"C:\Users\Admin\AppData\Local\Temp\Quotation 20242204.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\RwksdoebO.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe5⤵
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Quotation 20242204.exe C:\\Users\\Public\\Libraries\\Rwksdoeb.PIF2⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\remcos\logs.datFilesize
144B
MD5f93dce5f61ead4d4044c6add3028ae51
SHA1c4f453e0c4ef0b3663fa7d659801c7339ad74934
SHA256bc03c3b87de62d3da804683fe2f643cf46ac82ef94ae7bbbca5ef559ec94de01
SHA5123fe020863d2c2bd8dbcc5105a51a0f7820ad303a30c39f2584d58d768d756bbe18c0ba28dc2dd3d73c5b82ff93d8f8810459c425fa81a10e0020ba35c316c683
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ajgr1ing.zq2.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Public\Libraries\RwksdoebO.batFilesize
29KB
MD5828ffbf60677999579dafe4bf3919c63
SHA1a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
SHA256abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
SHA512bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
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C:\Users\Public\Libraries\aaa.batFilesize
3KB
MD571e46efe9932b83b397b44052513fb49
SHA1741af3b8c31095a0cc2c39c41e62279684913205
SHA25611c20fabf677cd77e8a354b520f6ffca09cac37ce15c9932550e749e49efe08a
SHA51276da3b441c0eaaaabdd4d21b0a3d4aa7fd49d73a5f0dab2cfb39f2e114efe4f4dabe2d46b01b66d810d6e0efa97676599ece5c213c1a69a5f2f4897a9b4ac8da
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C:\Users\Public\Libraries\easinvoker.exeFilesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
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C:\Users\Public\Libraries\netutils.dllFilesize
114KB
MD5566b326055c3ed8e2028aa1e2c1054d0
SHA1c25fa6d6369c083526cafcf45b5f554635afe218
SHA256a692d4305b95e57e2cfc871d53a41a5bfc9e306cb1a86ca1159db4f469598714
SHA512da4b0b45d47757b69f9abc1817d3cb3c85deb08658e55f07b016fba053efe541a5791b9b2b380c25b440bbae6916c5a2245261553ca3c5025d9d55c943f9823c
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C:\Users\Public\alpha.exeFilesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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memory/8-49-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-67-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-4-0x0000000000400000-0x0000000000598000-memory.dmpFilesize
1.6MB
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memory/8-100-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-2-0x0000000002EB0000-0x0000000003EB0000-memory.dmpFilesize
16.0MB
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memory/8-99-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-89-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-88-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-78-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-0-0x0000000002310000-0x0000000002311000-memory.dmpFilesize
4KB
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memory/8-51-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-52-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-53-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-54-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-55-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-58-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-59-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-1-0x0000000002EB0000-0x0000000003EB0000-memory.dmpFilesize
16.0MB
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memory/8-66-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/8-77-0x00000000158B0000-0x00000000168B0000-memory.dmpFilesize
16.0MB
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memory/3696-24-0x00000000613C0000-0x00000000613E3000-memory.dmpFilesize
140KB
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memory/4384-46-0x00007FFA31ED0000-0x00007FFA32991000-memory.dmpFilesize
10.8MB
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memory/4384-43-0x00000190BABF0000-0x00000190BAC00000-memory.dmpFilesize
64KB
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memory/4384-42-0x00000190BABF0000-0x00000190BAC00000-memory.dmpFilesize
64KB
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memory/4384-41-0x00007FFA31ED0000-0x00007FFA32991000-memory.dmpFilesize
10.8MB
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memory/4384-31-0x00000190A2550000-0x00000190A2572000-memory.dmpFilesize
136KB