Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2023 12:05
Static task
static1
Behavioral task
behavioral1
Sample
21605edd439a91f69b7c2584413ae3f5.exe
Resource
win7-20220812-en
General
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Target
21605edd439a91f69b7c2584413ae3f5.exe
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Size
2.7MB
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MD5
21605edd439a91f69b7c2584413ae3f5
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SHA1
76353ff45df865cee24b8802c2332c8f07590df6
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SHA256
03541b2cf3bf022eda584b9ead6b6edeb7a47e8ccaa99b2415ee56694c9868cb
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SHA512
df4248687d7a92389a3aab90dd0ccc8ea7236e8b71555bd835c33816a6e27b9a147d10fe693b57a693698c0d7c3fdbd99a3587cbfba08929c0d0fc4f34efb128
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SSDEEP
49152:Q61jlIn2e7zgWTSOa7Q4hVBP35NxVg1DHeTz0CTssEORTdQRYdN+1rHzE42i9:Q6FynB7JTSOWBBNxVg1zen0CLEOhdQTl
Malware Config
Extracted
remcos
nigeria
198.46.173.141:50482
198.46.173.141:50484
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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-6CYNGG
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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
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NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/576-152-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1776-153-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/1776-154-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3984-151-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/576-152-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/1776-153-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1776-154-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
21605edd439a91f69b7c2584413ae3f5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 21605edd439a91f69b7c2584413ae3f5.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:
21605edd439a91f69b7c2584413ae3f5.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 21605edd439a91f69b7c2584413ae3f5.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
21605edd439a91f69b7c2584413ae3f5.exe21605edd439a91f69b7c2584413ae3f5.exedescription pid process target process PID 4820 set thread context of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 set thread context of 1776 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 set thread context of 576 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 set thread context of 3984 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exe21605edd439a91f69b7c2584413ae3f5.exe21605edd439a91f69b7c2584413ae3f5.exepid process 3988 powershell.exe 3988 powershell.exe 3984 21605edd439a91f69b7c2584413ae3f5.exe 3984 21605edd439a91f69b7c2584413ae3f5.exe 1776 21605edd439a91f69b7c2584413ae3f5.exe 1776 21605edd439a91f69b7c2584413ae3f5.exe 1776 21605edd439a91f69b7c2584413ae3f5.exe 1776 21605edd439a91f69b7c2584413ae3f5.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
21605edd439a91f69b7c2584413ae3f5.exepid process 220 21605edd439a91f69b7c2584413ae3f5.exe 220 21605edd439a91f69b7c2584413ae3f5.exe 220 21605edd439a91f69b7c2584413ae3f5.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
21605edd439a91f69b7c2584413ae3f5.exepowershell.exe21605edd439a91f69b7c2584413ae3f5.exedescription pid process Token: SeDebugPrivilege 4820 21605edd439a91f69b7c2584413ae3f5.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 3984 21605edd439a91f69b7c2584413ae3f5.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
21605edd439a91f69b7c2584413ae3f5.exepid process 220 21605edd439a91f69b7c2584413ae3f5.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
21605edd439a91f69b7c2584413ae3f5.exe21605edd439a91f69b7c2584413ae3f5.exedescription pid process target process PID 4820 wrote to memory of 3988 4820 21605edd439a91f69b7c2584413ae3f5.exe powershell.exe PID 4820 wrote to memory of 3988 4820 21605edd439a91f69b7c2584413ae3f5.exe powershell.exe PID 4820 wrote to memory of 3988 4820 21605edd439a91f69b7c2584413ae3f5.exe powershell.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 4820 wrote to memory of 220 4820 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 1776 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 1776 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 1776 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 1776 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 576 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 576 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 576 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 576 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 3984 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 3984 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 3984 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe PID 220 wrote to memory of 3984 220 21605edd439a91f69b7c2584413ae3f5.exe 21605edd439a91f69b7c2584413ae3f5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe"C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exeC:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exeC:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe /stext "C:\Users\Admin\AppData\Local\Temp\nskfrenxjqeiglzzzlmezfeiz"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exeC:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe /stext "C:\Users\Admin\AppData\Local\Temp\xvxpspxyxywnqzvdqvzxkjzzadpx"3⤵
- Accesses Microsoft Outlook accounts
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C:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exeC:\Users\Admin\AppData\Local\Temp\21605edd439a91f69b7c2584413ae3f5.exe /stext "C:\Users\Admin\AppData\Local\Temp\apcishistgoasfjpzgmznwuijkzydqx"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nskfrenxjqeiglzzzlmezfeizFilesize
4KB
MD59945b47a62f116c5707cfe39eba4e3a3
SHA13a891690b33791216df5ca70ff15c288b8ec3223
SHA256bec9bca76621ea0f0db461945ca513d00aba466d4cf882a437a8de82075784f1
SHA5127c0ba560d4332ca00c6b2e3e938c50e7006b0775ba2eec3ff287adf656de508795be097a6a12d9f3cb9a43ac63c0f52f2574ad1cdebe868fd4ac02e683687e48
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memory/220-144-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
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memory/220-160-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/220-159-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/220-156-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/220-146-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
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memory/220-147-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
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memory/220-145-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
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memory/220-142-0x0000000000000000-mapping.dmp
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memory/220-143-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
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memory/576-152-0x0000000000400000-0x0000000000457000-memory.dmpFilesize
348KB
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memory/576-149-0x0000000000000000-mapping.dmp
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memory/1776-153-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/1776-148-0x0000000000000000-mapping.dmp
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memory/1776-154-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/3984-150-0x0000000000000000-mapping.dmp
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memory/3984-151-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/3988-141-0x0000000006130000-0x000000000614A000-memory.dmpFilesize
104KB
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memory/3988-140-0x0000000007310000-0x000000000798A000-memory.dmpFilesize
6.5MB
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memory/3988-139-0x0000000005CB0000-0x0000000005CCE000-memory.dmpFilesize
120KB
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memory/3988-138-0x0000000005690000-0x00000000056F6000-memory.dmpFilesize
408KB
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memory/3988-137-0x0000000004E90000-0x0000000004EF6000-memory.dmpFilesize
408KB
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memory/3988-136-0x0000000004FB0000-0x00000000055D8000-memory.dmpFilesize
6.2MB
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memory/3988-135-0x00000000026E0000-0x0000000002716000-memory.dmpFilesize
216KB
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memory/3988-134-0x0000000000000000-mapping.dmp
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memory/4820-132-0x0000000000BF0000-0x0000000000EA2000-memory.dmpFilesize
2.7MB
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memory/4820-133-0x0000000005C80000-0x0000000005CA2000-memory.dmpFilesize
136KB