Analysis
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max time kernel
144s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
-
Target
Quotation 20242204.exe
-
Size
1.6MB
-
MD5
603c7916d424615645d6ee0fffa00011
-
SHA1
6f464f23eb81606067f93036dc5cdc61f7bb855b
-
SHA256
25adcfe6b38aead70b4b0020ecba72d0343b6f3d3bb406100593b7f1349e0300
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SHA512
f400834902c5886b680fa8376fee88c77ec352b0a00221e98fbe268d71ac6feb0826fb5c53d71cb66cc457d6b3a64c3c881f059dd75bb9b097d51868ea07cf90
-
SSDEEP
24576:7MkT4gLKu9KKozJQd/HJNRO/BqM6wIJp4m+3bu8U2flxAv:QkTpT9K1mzyqM6wW4mEQ2W
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:47212
officerem.duckdns.org:47212
-
audio_folder
MicRecords
-
audio_record_time
5
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connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
-
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
-
mouse_option
false
-
mutex
Rmc-I8N3XG
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
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.
-
ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2240-2-0x0000000003600000-0x0000000004600000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
Processes:
easinvoker.exeeasinvoker.exepid process 784 easinvoker.exe 2704 easinvoker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Quotation 20242204.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rwksdoeb = "C:\\Users\\Public\\Rwksdoeb.url" Quotation 20242204.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 -
Processes:
Quotation 20242204.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C Quotation 20242204.exe Set value (data) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C\Blob = 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 Quotation 20242204.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Quotation 20242204.exepid process 2240 Quotation 20242204.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
Quotation 20242204.execmd.exedescription pid process target process PID 2240 wrote to memory of 2372 2240 Quotation 20242204.exe cmd.exe PID 2240 wrote to memory of 2372 2240 Quotation 20242204.exe cmd.exe PID 2240 wrote to memory of 2372 2240 Quotation 20242204.exe cmd.exe PID 2240 wrote to memory of 2372 2240 Quotation 20242204.exe cmd.exe PID 2372 wrote to memory of 2432 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2432 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2432 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2432 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2456 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2456 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2456 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2456 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2884 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2884 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2884 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2884 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2880 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2880 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2880 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2880 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2896 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2896 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2896 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2896 2372 cmd.exe cmd.exe PID 2372 wrote to memory of 2036 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2036 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2036 2372 cmd.exe xcopy.exe PID 2372 wrote to memory of 2036 2372 cmd.exe xcopy.exe PID 2240 wrote to memory of 1528 2240 Quotation 20242204.exe extrac32.exe PID 2240 wrote to memory of 1528 2240 Quotation 20242204.exe extrac32.exe PID 2240 wrote to memory of 1528 2240 Quotation 20242204.exe extrac32.exe PID 2240 wrote to memory of 1528 2240 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
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /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
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C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"3⤵
- Executes dropped EXE
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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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\Local\Temp\Tar3875.tmpFilesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
-
C:\Users\Public\Libraries\RwksdoebO.batFilesize
29KB
MD5828ffbf60677999579dafe4bf3919c63
SHA1a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
SHA256abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
SHA512bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
-
C:\Users\Public\Libraries\aaa.batFilesize
3KB
MD571e46efe9932b83b397b44052513fb49
SHA1741af3b8c31095a0cc2c39c41e62279684913205
SHA25611c20fabf677cd77e8a354b520f6ffca09cac37ce15c9932550e749e49efe08a
SHA51276da3b441c0eaaaabdd4d21b0a3d4aa7fd49d73a5f0dab2cfb39f2e114efe4f4dabe2d46b01b66d810d6e0efa97676599ece5c213c1a69a5f2f4897a9b4ac8da
-
C:\Users\Public\Libraries\easinvoker.exeFilesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
-
C:\Users\Public\Libraries\netutils.dllFilesize
114KB
MD5566b326055c3ed8e2028aa1e2c1054d0
SHA1c25fa6d6369c083526cafcf45b5f554635afe218
SHA256a692d4305b95e57e2cfc871d53a41a5bfc9e306cb1a86ca1159db4f469598714
SHA512da4b0b45d47757b69f9abc1817d3cb3c85deb08658e55f07b016fba053efe541a5791b9b2b380c25b440bbae6916c5a2245261553ca3c5025d9d55c943f9823c
-
memory/2240-96-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-101-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-4-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
-
memory/2240-2-0x0000000003600000-0x0000000004600000-memory.dmpFilesize
16.0MB
-
memory/2240-144-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-93-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-95-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-0-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
-
memory/2240-97-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-98-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-99-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-5-0x0000000000400000-0x0000000000598000-memory.dmpFilesize
1.6MB
-
memory/2240-102-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-1-0x0000000003600000-0x0000000004600000-memory.dmpFilesize
16.0MB
-
memory/2240-110-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-111-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-121-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-122-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-132-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-133-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
-
memory/2240-143-0x0000000016370000-0x0000000017370000-memory.dmpFilesize
16.0MB
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memory/2372-83-0x00000000029A0000-0x00000000029A1000-memory.dmpFilesize
4KB