Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/08/2022, 12:13
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.W32.AIDetectNet.01.13226.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.W32.AIDetectNet.01.13226.exe
Resource
win10v2004-20220812-en
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.13226.exe
- Size 664KB
- Sample220815-pdqtrsdcg7
- SHA256 ceb6fcadd0f96521026c478596bbc3ba3dfdd3ecdbb2d9e4e8f5bb4a422e446d
- MD5 c41260fc2f3dc10cc99c89a07a628030
- SHA1 eb9e979f21af9e29428e04bc2cc2b53256b6d4d8
- SHA512 50cf2a7b0f2490dc7f8e832692d75fb56008ea3283888ff92d122393fb890c607b514e8723c6a2f328d285622a86471c735e50683826174646042897a11bf5e8
- MD5 SHA1 SHA512
Malware Config
Extracted
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remcos
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RemoteHost
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obologs.work.gd:4044
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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-FNXFFO
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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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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3748-150-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView - NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/376-152-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 3 IoCs
resource yara_rule behavioral2/memory/3748-150-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/3656-151-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/376-152-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 4528 dwn.exe - 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.W32.AIDetectNet.01.13226.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation dwn.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts aspnet_compiler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hcbui = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cdlbs\\Hcbui.exe\"" SecuriteInfo.com.W32.AIDetectNet.01.13226.exe - Suspicious use of SetThreadContext 8 IoCs
description pid Process procid_target PID 4796 set thread context of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 244 set thread context of 376 244 aspnet_compiler.exe 84 PID 244 set thread context of 3748 244 aspnet_compiler.exe 85 PID 244 set thread context of 3656 244 aspnet_compiler.exe 86 PID 4528 set thread context of 4400 4528 dwn.exe 92 PID 4400 set thread context of 968 4400 aspnet_compiler.exe 33 PID 4400 set thread context of 968 4400 aspnet_compiler.exe 33 PID 1112 set thread context of 968 1112 rundll32.exe 33 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \Registry\User\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 rundll32.exe - Suspicious behavior: EnumeratesProcesses 54 IoCs
pid Process 1660 powershell.exe 1660 powershell.exe 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 376 aspnet_compiler.exe 376 aspnet_compiler.exe 3656 aspnet_compiler.exe 3656 aspnet_compiler.exe 376 aspnet_compiler.exe 376 aspnet_compiler.exe 4376 powershell.exe 4376 powershell.exe 4528 dwn.exe 4528 dwn.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 968 Explorer.EXE - Suspicious behavior: MapViewOfSection 11 IoCs
pid Process 244 aspnet_compiler.exe 244 aspnet_compiler.exe 244 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 4400 aspnet_compiler.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe 1112 rundll32.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 3656 aspnet_compiler.exe Token: SeDebugPrivilege 4528 dwn.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4400 aspnet_compiler.exe Token: SeDebugPrivilege 1112 rundll32.exe - Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 4796 wrote to memory of 1660 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 81 PID 4796 wrote to memory of 1660 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 81 PID 4796 wrote to memory of 1660 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 81 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 4796 wrote to memory of 244 4796 SecuriteInfo.com.W32.AIDetectNet.01.13226.exe 83 PID 244 wrote to memory of 376 244 aspnet_compiler.exe 84 PID 244 wrote to memory of 376 244 aspnet_compiler.exe 84 PID 244 wrote to memory of 376 244 aspnet_compiler.exe 84 PID 244 wrote to memory of 376 244 aspnet_compiler.exe 84 PID 244 wrote to memory of 3748 244 aspnet_compiler.exe 85 PID 244 wrote to memory of 3748 244 aspnet_compiler.exe 85 PID 244 wrote to memory of 3748 244 aspnet_compiler.exe 85 PID 244 wrote to memory of 3748 244 aspnet_compiler.exe 85 PID 244 wrote to memory of 3656 244 aspnet_compiler.exe 86 PID 244 wrote to memory of 3656 244 aspnet_compiler.exe 86 PID 244 wrote to memory of 3656 244 aspnet_compiler.exe 86 PID 244 wrote to memory of 3656 244 aspnet_compiler.exe 86 PID 244 wrote to memory of 4528 244 aspnet_compiler.exe 87 PID 244 wrote to memory of 4528 244 aspnet_compiler.exe 87 PID 244 wrote to memory of 4528 244 aspnet_compiler.exe 87 PID 4528 wrote to memory of 4376 4528 dwn.exe 88 PID 4528 wrote to memory of 4376 4528 dwn.exe 88 PID 4528 wrote to memory of 4376 4528 dwn.exe 88 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 4528 wrote to memory of 4400 4528 dwn.exe 92 PID 968 wrote to memory of 1112 968 Explorer.EXE 93 PID 968 wrote to memory of 1112 968 Explorer.EXE 93 PID 968 wrote to memory of 1112 968 Explorer.EXE 93 PID 1112 wrote to memory of 4048 1112 rundll32.exe 94 PID 1112 wrote to memory of 4048 1112 rundll32.exe 94 PID 1112 wrote to memory of 4048 1112 rundll32.exe 94
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.13226.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.13226.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:244 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\rsropqettlqrcwyqrm"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:376
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\buwgqiovhuieecmubxcdl"4⤵
- Accesses Microsoft Outlook accounts
PID:3748
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\mocrrbzpvcajpqiykhxfoovbc"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
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C:\Users\Admin\AppData\Local\Temp\dwn.exe"C:\Users\Admin\AppData\Local\Temp\dwn.exe"4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe5⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:4048
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 1KB
- SHA256 e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
- MD5 4280e36a29fa31c01e4d8b2ba726a0d8
- SHA1 c485c2c9ce0a99747b18d899b71dfa9a64dabe32
- SHA512 494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
- Size 53KB
- SHA256 474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
- MD5 06ad34f9739c5159b4d92d702545bd49
- SHA1 9152a0d4f153f3f40f7e606be75f81b582ee0c17
- SHA512 c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
- SSDEEP 1536:q5C+jH04tAHkCSMrxyNhftflJdPYoFi3j39MVvjMLUsszyhMUp7Fv+Eca5b/h4ie:KC+jH04tAHk5MrxyNhftflJdPYoFi3jc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 16KB
- SHA256 2281b1ad3551ba192c0407bef18e3ac75f0b8c5582dbeaef895c92c09b7fc155
- MD5 dd4619fdcebf128f6109eb10079ed935
- SHA1 bd68f4c71f6e3f5e56dd0cef68dce633fd2c0105
- SHA512 61592306b7830505f8fef5ee5d224300bdc7f0ad19085d1c56da31b19bdd757583e6417d5f7c0bbf15ac41ee059b827d606a1ad5b1709331f95bf18c9ad1ac99
- SSDEEP 384:orf+jk9i+LxZ4IBieWkElo9osTVK6seYcI1/r03SoZofYSPUjE0L6Q:yfVGIo0EGosTVNbaYSvRqE0P
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\dwn.exe
- Size 638KB
- SHA256 4f41a94071d67c2e1418e6e6a0090126b65f72ac69da4807bb3605ededa98107
- MD5 880b2a23873d97e979331b0ad4771e0b
- SHA1 a3cd28ac4d37ee5f62d1abdceaefe5d451772589
- SHA512 ee53a14da124a8cd7416269d9ac756f459bcf2ac87da4853afa352c05cac436f383cf9d7e3d96a0caca336c01b0c0de47bbaa6fbbd0123a608304d24b5741e89
- SSDEEP 6144:g4lstQ4KQkqX5bHzWWAKYY33U+Vx8jnQ+2NcA827aQkbrrrzWtjCMrZyBmDkIMal:ZWgVKYYHPx8jnS1XoqtjfrdMekFEAO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\dwn.exe
- Size 638KB
- SHA256 4f41a94071d67c2e1418e6e6a0090126b65f72ac69da4807bb3605ededa98107
- MD5 880b2a23873d97e979331b0ad4771e0b
- SHA1 a3cd28ac4d37ee5f62d1abdceaefe5d451772589
- SHA512 ee53a14da124a8cd7416269d9ac756f459bcf2ac87da4853afa352c05cac436f383cf9d7e3d96a0caca336c01b0c0de47bbaa6fbbd0123a608304d24b5741e89
- SSDEEP 6144:g4lstQ4KQkqX5bHzWWAKYY33U+Vx8jnQ+2NcA827aQkbrrrzWtjCMrZyBmDkIMal:ZWgVKYYHPx8jnS1XoqtjfrdMekFEAO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\rsropqettlqrcwyqrm
- Size 4KB
- SHA256 8d46702077d776b04085cbe5ce2f0e5971595ea4e11b025a215c4379e7fc18f8
- MD5 07c14121728256ad56b1ef039a28e4a6
- SHA1 0f39e1e02cd5e2b1b22d9e5470757ae13fe96738
- SHA512 03d9113095e7b6143c4f99b131462fa451a9c2d7e841461603dace64bd6d525cb63d074384d2b3ff285a7183116f1715138beeb756fced9a6b1ad6fde36d4789
- SSDEEP 48:wvvv0pxfvvcpxfdvv0pxBvv0pxakvv0p7:mvgxvYp1vgPvgbvg7
- MD5 SHA1 SHA512 SSDEEP