Analysis
- max time kernel
148s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system - submitted
31/07/2024, 15:14
Static task
static1
Behavioral task
behavioral1
Sample
f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe
Resource
win10v2004-20240730-en
General
- Target f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe
- Size 1.1MB
- Sample240731-sma2fsvard
- SHA256 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779
- MD5 43fc33e9d0b3ff57eef8b3b44cb35367
- SHA1 6a49b35ad439fb057e60d6b2a82553524fc73332
- SHA512 786ff26eafdb670cba8723e8690d3f70526eb8a6ff3186333be6108dcd9511f28bdd1d1672bdb144fcb08484368a7212a992afcf49b6f0d3285182bf33946a51
- SSDEEP 24576:Nzn5JEdb6mDmPl+C6U7XCnlutUo8UVBaBgDngD8eU:pn55mDssCPSnlSn8UVBaBgTgD8eU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
remcos
-
RemoteHost
-
212.162.149.80:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-WVQ56B
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4488-88-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1596-87-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/388-86-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4488-81-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/388-77-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1596-76-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/388-92-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4488-88-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/4488-81-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView - NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/388-86-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/388-77-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/388-92-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Executes dropped EXE 3 IoCs
pid Process 388 Heathertoes.exe 1596 Heathertoes.exe 4488 Heathertoes.exe - Loads dropped DLL 2 IoCs
pid Process 3076 Heathertoes.exe 2096 Heathertoes.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-1-5-21-3881032017-2947584075-2120384563-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Heathertoes.exe - Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 3076 Heathertoes.exe 2096 Heathertoes.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1808 powershell.exe 2488 powershell.exe 3076 Heathertoes.exe 2096 Heathertoes.exe - Suspicious use of SetThreadContext 5 IoCs
description pid Process procid_target PID 2488 set thread context of 3076 2488 powershell.exe 92 PID 1808 set thread context of 2096 1808 powershell.exe 91 PID 3076 set thread context of 388 3076 Heathertoes.exe 93 PID 3076 set thread context of 4488 3076 Heathertoes.exe 94 PID 3076 set thread context of 1596 3076 Heathertoes.exe 95 -
pid Process 2488 powershell.exe 1808 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Heathertoes.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Heathertoes.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Heathertoes.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Heathertoes.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Heathertoes.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2488 powershell.exe 2488 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 1808 powershell.exe 2488 powershell.exe 2488 powershell.exe 2488 powershell.exe 2488 powershell.exe 1808 powershell.exe 2488 powershell.exe 1596 Heathertoes.exe 1596 Heathertoes.exe 388 Heathertoes.exe 388 Heathertoes.exe 388 Heathertoes.exe 388 Heathertoes.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 2488 powershell.exe 1808 powershell.exe 3076 Heathertoes.exe 3076 Heathertoes.exe 3076 Heathertoes.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 1596 Heathertoes.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3076 Heathertoes.exe - Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2488 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 86 PID 2228 wrote to memory of 2488 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 86 PID 2228 wrote to memory of 2488 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 86 PID 2228 wrote to memory of 1808 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 88 PID 2228 wrote to memory of 1808 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 88 PID 2228 wrote to memory of 1808 2228 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe 88 PID 2488 wrote to memory of 3076 2488 powershell.exe 92 PID 2488 wrote to memory of 3076 2488 powershell.exe 92 PID 2488 wrote to memory of 3076 2488 powershell.exe 92 PID 1808 wrote to memory of 2096 1808 powershell.exe 91 PID 1808 wrote to memory of 2096 1808 powershell.exe 91 PID 1808 wrote to memory of 2096 1808 powershell.exe 91 PID 2488 wrote to memory of 3076 2488 powershell.exe 92 PID 1808 wrote to memory of 2096 1808 powershell.exe 91 PID 2488 wrote to memory of 3076 2488 powershell.exe 92 PID 1808 wrote to memory of 2096 1808 powershell.exe 91 PID 3076 wrote to memory of 388 3076 Heathertoes.exe 93 PID 3076 wrote to memory of 388 3076 Heathertoes.exe 93 PID 3076 wrote to memory of 388 3076 Heathertoes.exe 93 PID 3076 wrote to memory of 4488 3076 Heathertoes.exe 94 PID 3076 wrote to memory of 4488 3076 Heathertoes.exe 94 PID 3076 wrote to memory of 4488 3076 Heathertoes.exe 94 PID 3076 wrote to memory of 1596 3076 Heathertoes.exe 95 PID 3076 wrote to memory of 1596 3076 Heathertoes.exe 95 PID 3076 wrote to memory of 1596 3076 Heathertoes.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe"C:\Users\Admin\AppData\Local\Temp\f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle minimized " $Alkyders=Get-Content 'C:\Users\Admin\AppData\Local\Temp\Antikrists\skvaldrendes\lautitious\Drearness.Ver';$Juhls=$Alkyders.SubString(51427,3);.$Juhls($Alkyders)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Users\Admin\AppData\Local\Temp\Heathertoes.exe"C:\Users\Admin\AppData\Local\Temp\Heathertoes.exe"3⤵
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Users\Admin\AppData\Local\Temp\Heathertoes.exeC:\Users\Admin\AppData\Local\Temp\Heathertoes.exe /stext "C:\Users\Admin\AppData\Local\Temp\ttwmbfxupdlxlqhukndbqrqcmeadhhx"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:388
-
-
C:\Users\Admin\AppData\Local\Temp\Heathertoes.exeC:\Users\Admin\AppData\Local\Temp\Heathertoes.exe /stext "C:\Users\Admin\AppData\Local\Temp\dnjfbxiwdldcnwvytxyvtvllukkmasoelm"4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4488
-
-
C:\Users\Admin\AppData\Local\Temp\Heathertoes.exeC:\Users\Admin\AppData\Local\Temp\Heathertoes.exe /stext "C:\Users\Admin\AppData\Local\Temp\nppxcq"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
-
-
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle minimized " $Alkyders=Get-Content 'C:\Users\Admin\AppData\Local\Temp\Antikrists\skvaldrendes\lautitious\Drearness.Ver';$Juhls=$Alkyders.SubString(51427,3);.$Juhls($Alkyders)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Users\Admin\AppData\Local\Temp\Heathertoes.exe"C:\Users\Admin\AppData\Local\Temp\Heathertoes.exe"3⤵
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 144B
- SHA256 013d4e96f766509f18f0d6b089fb5779d2f52208ccaa4bcc05ab44c47bb040d7
- MD5 e20f84a298d611f226960fd4a92bbebf
- SHA1 1872cb71f0a74c92336f21264ef9cf6e368ad1b3
- SHA512 29b571b8e99120cc6a3e17be85ce07263f8fd3cc95276f930fec26fc040f825a9288d87a09dc59a8f9a3b812e99778572bd42f38bfe95192eccfa1979b94010b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Antikrists\skvaldrendes\lautitious\Drearness.Ver
- Size 50KB
- SHA256 45d005d41482e3a06e5ccce55ecdcd326a4ba071d854a73082aeefbbabe66e60
- MD5 d0cca13042de58bdb1c6243700bbd43f
- SHA1 803cd54b3cc6bc4f30fe5b18ec0a543f36779bbd
- SHA512 a0c9c3cc1d88dd4556e005a7a7b0f5469df4afbe430b2ab55e35ed5c624118049851ac78f5f31c612395907191719d68b03726f5bd07f5fae5a32c47d6f26bf4
- SSDEEP 1536:HKWJQB7umizBJEswD8FInGx7cvjiwIeC7:HKWqBiVJx+cIGxorIz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Antikrists\skvaldrendes\lautitious\Isoyohimbine.Aor118
- Size 336KB
- SHA256 fe93df3c6573aca1c3346d7b1dd5fb1c2d7a87e26875579aefe506b4c9778842
- MD5 f3b027ab0cffa7d1e911a3807a44811c
- SHA1 b0b8ea6a24755f4fcd4c403da56f33d81958eaf2
- SHA512 ec730bf26673cf731e1ed2d91021a51da6badb1e2c914076f64938843a23a66d4af758d84b087bf334230192a066412b1dc15289aa7202deeacbff54054b6fa6
- SSDEEP 6144:E/4gIsEo7F5dfazIKRncq7pqG1WFC7Cw2G/ogyoPWbYdQZs4cErOU91mDEIZ:EAgIsL7/Yhqgca2GggNebY2frVKR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Heathertoes.exe
- Size 1.1MB
- SHA256 f3241ace2c07ddccf58c09add567265ea2ad9ff820bf696db21cc8f3642c2779
- MD5 43fc33e9d0b3ff57eef8b3b44cb35367
- SHA1 6a49b35ad439fb057e60d6b2a82553524fc73332
- SHA512 786ff26eafdb670cba8723e8690d3f70526eb8a6ff3186333be6108dcd9511f28bdd1d1672bdb144fcb08484368a7212a992afcf49b6f0d3285182bf33946a51
- SSDEEP 24576:Nzn5JEdb6mDmPl+C6U7XCnlutUo8UVBaBgDngD8eU:pn55mDssCPSnlSn8UVBaBgTgD8eU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b3knbm0q.sz4.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\ttwmbfxupdlxlqhukndbqrqcmeadhhx
- Size 4KB
- SHA256 7ba191936c431616d66459f6985e176baa85389e91b5bef3731aa932b0096b1b
- MD5 6298f531640db192041f9d290578fb82
- SHA1 3009ee15cfa099fc56a96e44af2b3584ae0ea569
- SHA512 2955347426198d38fcaf81dfb469796d74a8a8d52d208771973caa9d38683eae21c54efa0e08a9e4b8b7a6b5fb9db3f888ac48a73e3fdd700726fd3c669b48c9
- SSDEEP 48:wvvv0ixfvvcixfdvv0ixBvv0ixakvv0i7:mvfxvHp1vfPvfbvf7
- MD5 SHA1 SHA512 SSDEEP