Analysis
- max time kernel
149s - max time network
151s - platform
windows10_x64 - resource
win10v20210408 - submitted
12/06/2021, 12:36
General
- Target ORDER (Ref PO-298721).PDF.exe
- Size 1.0MB
- Sample210612-p4rw6sl646
- SHA256 1da8ec80cabd3247d695dffc882722639ebe55e45728ecf331aa92acb09de3e0
Malware Config
Extracted
-
remcos
-
3.1.4 Pro
-
RemoteHost
-
79.134.225.17:2050
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
microsoft_
-
copy_folder
Remcos
-
delete_file
true
-
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
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-X3P31C
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
microsoft_
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
notepad;solitaire;
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\osAnreIkQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6434.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"C:\Users\Admin\AppData\Local\Temp\ORDER (Ref PO-298721).PDF.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/908-121-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/908-118-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/908-119-0x0000000004C00000-0x00000000050FE000-memory.dmp
memory/908-120-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/908-114-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/908-122-0x00000000050B0000-0x00000000050CE000-memory.dmp
memory/908-123-0x0000000006F90000-0x000000000704B000-memory.dmp
memory/908-124-0x0000000009630000-0x00000000096BA000-memory.dmp
memory/908-117-0x0000000005100000-0x0000000005101000-memory.dmp
memory/908-116-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/3736-127-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3736-129-0x0000000000400000-0x0000000000478000-memory.dmp