Analysis
- max time kernel
146s - max time network
147s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system - submitted
05/04/2024, 13:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
GST e-Payment Challan.exe
Resource
win7-20240220-en
8 signatures
150 seconds
General
- Target GST e-Payment Challan.exe
- Size 548KB
- Sample240405-qext5sde48
- SHA256 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65
- MD5 10a4cb3233c444bcf6211100ab9bad9a
- SHA1 2f4a679479fdff9d22226676d7a7eacab84311eb
- SHA512 0c847f9723d1e65a03d0e129555160a7730e3ab4625d488540dd82dc968b354e31ab042dd820da6b61662af62d0687696e458440ab66b940e3fa168c09af9303
- SSDEEP 12288:FUH8UsiMHGMZY/QZsg4rvpvK9+uH2OG/4RY+ajkrSyxPln+07bSsEAmD:yH8XvHFA6sgyvxK4uHBLRPaArSuPl19
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
remcos
Version
-
1.7 Pro
Botnet
-
gg
C2
-
62.102.148.185:9771
Attributes
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
newstart
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_wgwfvnfssp
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1508 set thread context of 2476 1508 GST e-Payment Challan.exe 34 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2448 schtasks.exe - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 1508 GST e-Payment Challan.exe 2720 powershell.exe 2432 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1508 GST e-Payment Challan.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 2432 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2476 GST e-Payment Challan.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 1508 wrote to memory of 2432 1508 GST e-Payment Challan.exe 28 PID 1508 wrote to memory of 2432 1508 GST e-Payment Challan.exe 28 PID 1508 wrote to memory of 2432 1508 GST e-Payment Challan.exe 28 PID 1508 wrote to memory of 2432 1508 GST e-Payment Challan.exe 28 PID 1508 wrote to memory of 2720 1508 GST e-Payment Challan.exe 30 PID 1508 wrote to memory of 2720 1508 GST e-Payment Challan.exe 30 PID 1508 wrote to memory of 2720 1508 GST e-Payment Challan.exe 30 PID 1508 wrote to memory of 2720 1508 GST e-Payment Challan.exe 30 PID 1508 wrote to memory of 2448 1508 GST e-Payment Challan.exe 32 PID 1508 wrote to memory of 2448 1508 GST e-Payment Challan.exe 32 PID 1508 wrote to memory of 2448 1508 GST e-Payment Challan.exe 32 PID 1508 wrote to memory of 2448 1508 GST e-Payment Challan.exe 32 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34 PID 1508 wrote to memory of 2476 1508 GST e-Payment Challan.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oFkpbhjTJbn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oFkpbhjTJbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D25.tmp"2⤵
- Creates scheduled task(s)
PID:2448
-
-
C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:2476
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6D25.tmp
- Size 1KB
- SHA256 5b19058ef60e97a732bd556f5370c93136fc48d0e21a03dd522499c094bc1b93
- MD5 4c72281515975a049900a328ae079b4d
- SHA1 bc795b4d45ee4eeebeafd8396b39c8825eb8e0ac
- SHA512 580de1659725c8c7f473388aeae1885e62dc867eccf9cd67b300bc9a3550d5ee731dea884e8fe1a234df128a3e8ef95b2b33a7722c481141e897dec6d38dcd76
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\95E9MUXTZAYKM1OE45IA.temp
- Size 7KB
- SHA256 897866d89b87128a260a3a274f7a45125a28e2855bf82602e52d130a7cd90300
- MD5 55a24ee47ed762b5f0b4ae30bf401a53
- SHA1 a023b3de83201716823bdb722c00aa752121736c
- SHA512 e6aacee0a83b473e1ac4d38cc8524a5cd6f62cc4e98a2d1dc682fa01b691e38e54b835c70794aa04b94021f71458fa303e4b73189d9fcce6f6b0630605c2598b
- SSDEEP 96:led0PCBM8PnqvsqvJCwoied0PCBM8PnqvsEHyqvJCworqPWw7QHlzHEz7RPyXlUk:800LUol00LAHnorqP1Yzkz7RPyx
- MD5 SHA1 SHA512 SSDEEP