Analysis
- max time kernel
148s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
23/07/2024, 12:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
FG678900987600.exe
Resource
win7-20240704-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
FG678900987600.exe
Resource
win10v2004-20240709-en
11 signatures
150 seconds
General
- Target FG678900987600.exe
- Size 19KB
- Sample240723-py3dastbkf
- SHA256 9254a25e50462d655219ab982ca96674112e360036b0984b75050e8d423b96a0
- MD5 6b6e03a4b8031dab122116940491dad0
- SHA1 87a6ab9ada225af5ac38c7615d66f9747d46b13c
- SHA512 ac2da5ed79a935bb4ddaca735f7585f5921fb5f1729cc82ff448527022ddf6684920ddd28c7f271c23f28cbb0fb976ddaa722803e5f400c0b1d3255ac4ac154e
- SSDEEP 384:v77LVzRqyS8jgep2KiAM8NtzVrjEC/pTF7wZiiay9ycyrsR2vZ:brq70pRYiPkycyrsR2vZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
remcos
Botnet
-
RemoteHost
C2
-
107.175.229.139:8823
Attributes
-
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-2BGC0K
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/1432-27-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1432-31-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/5064-38-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/5064-34-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/5064-42-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3928-39-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3928-29-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1432-44-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3928-39-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3928-29-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView - NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1432-27-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/1432-31-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/1432-44-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts MSBuild.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3192 set thread context of 4620 3192 FG678900987600.exe 86 PID 4620 set thread context of 1432 4620 MSBuild.exe 95 PID 4620 set thread context of 3928 4620 MSBuild.exe 96 PID 4620 set thread context of 5064 4620 MSBuild.exe 97 - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3192 FG678900987600.exe 3192 FG678900987600.exe 1432 MSBuild.exe 1432 MSBuild.exe 5064 MSBuild.exe 5064 MSBuild.exe 1432 MSBuild.exe 1432 MSBuild.exe - Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 4620 MSBuild.exe 4620 MSBuild.exe 4620 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3192 FG678900987600.exe Token: SeDebugPrivilege 5064 MSBuild.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4620 MSBuild.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3192 wrote to memory of 3816 3192 FG678900987600.exe 85 PID 3192 wrote to memory of 3816 3192 FG678900987600.exe 85 PID 3192 wrote to memory of 3816 3192 FG678900987600.exe 85 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 3192 wrote to memory of 4620 3192 FG678900987600.exe 86 PID 4620 wrote to memory of 1432 4620 MSBuild.exe 95 PID 4620 wrote to memory of 1432 4620 MSBuild.exe 95 PID 4620 wrote to memory of 1432 4620 MSBuild.exe 95 PID 4620 wrote to memory of 1432 4620 MSBuild.exe 95 PID 4620 wrote to memory of 3928 4620 MSBuild.exe 96 PID 4620 wrote to memory of 3928 4620 MSBuild.exe 96 PID 4620 wrote to memory of 3928 4620 MSBuild.exe 96 PID 4620 wrote to memory of 3928 4620 MSBuild.exe 96 PID 4620 wrote to memory of 5064 4620 MSBuild.exe 97 PID 4620 wrote to memory of 5064 4620 MSBuild.exe 97 PID 4620 wrote to memory of 5064 4620 MSBuild.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\FG678900987600.exe"C:\Users\Admin\AppData\Local\Temp\FG678900987600.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:3816
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\vtnbswayjkopydtojkwtfdtyuafxz"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1432
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\xnbusolzxsgujjpasvivqqnhdoxyamgug"3⤵
- Accesses Microsoft Outlook accounts
PID:3928
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\ipgmt"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5064
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 144B
- SHA256 bd6c05f65368be1eaa738927ce026ddf46de4a1e4f852694629e82bb123de6d0
- MD5 ee58c0b9095e432f49cc0cc32eca559b
- SHA1 900204673002d344374aee7bde76fb549c149da8
- SHA512 f99777986e85981036987e10d2703d35c4ef541ac2092e051913fb526285ce22d70ee663a09e9f99af734084636888337a660a0af3bdb0d2a1983fb0be5ab09d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\vtnbswayjkopydtojkwtfdtyuafxz
- Size 4KB
- SHA256 5b925ab999c036167ea8ddb4ea5256d33f56405a62faf0c40837d3e69588c5e2
- MD5 bfad3231b66bc41dc26604f95ff7798f
- SHA1 3bb8a68b16f2dc00e7ae9757fd4be2d10dbe91f1
- SHA512 1339ac589e8a88ce019a638a68f8db4d93193b24c8252fe4825de02b816c4572fcc9722d48752904ccba5968072b8dd5070117ad88e8aa4a5dcd53d3c3b5cc0a
- SSDEEP 48:wvvv0QBxfvvcQBxfdvv0QBxBvv0QBxakvv0QB7:mvHxvvp1vHPvHbvH7
- MD5 SHA1 SHA512 SSDEEP