remcos | 74c7371f4ee7b52bb7c9c79610027e6e927e3bfca8ef841407e1610f72f11aa2

General

Target

01248782c871923cce056480ce946ab7.exe
Size

532KB
MD5

01248782c871923cce056480ce946ab7
SHA1

1ab7d6d88086610157025914b3d652af66318b01
SHA256

74c7371f4ee7b52bb7c9c79610027e6e927e3bfca8ef841407e1610f72f11aa2
SHA512

d45fced3b7b08221cce18a4e193d6c819ac8f0f884fb1665e87fdc5211707e4adbb012b105f646b62b28edcff2f27a781abe292978057dabe36c1190902d2fd5
SSDEEP

12288:WGcYmvZZpBI5AaE7SN2NQnHwE78rcad4Yx8yyeSNIp9Sdcl+YY:WNYujqdE7SN2KnHwO8xXx8yyl

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:55433

10.16.0.18:55433

185.65.134.188:55433

45.128.234.54:55433

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-C7DBSG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of SetThreadContext 1 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

description pid process target process

PID 884 set thread context of 1040 884 01248782c871923cce056480ce946ab7.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

pid process

884 01248782c871923cce056480ce946ab7.exe
884 01248782c871923cce056480ce946ab7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

description pid process

Token: SeDebugPrivilege 884 01248782c871923cce056480ce946ab7.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aspnet_compiler.exe

pid process

1040 aspnet_compiler.exe

description	pid	process	target process
PID 884 set thread context of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe

pid	process
884	01248782c871923cce056480ce946ab7.exe
884	01248782c871923cce056480ce946ab7.exe

description	pid	process
Token: SeDebugPrivilege	884	01248782c871923cce056480ce946ab7.exe

pid	process
1040	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

description	pid	process	target process
PID 884 wrote to memory of 2032	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2032	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2032	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2032	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2044	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2044	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2044	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 2044	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 884 wrote to memory of 1040	884	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\01248782c871923cce056480ce946ab7.exe
"C:\Users\Admin\AppData\Local\Temp\01248782c871923cce056480ce946ab7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2032

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1040

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
9dcaa3e442ac44aad015fe529f503e1a

SHA1
1ee401f24533bfbd2087b2e163439a3b748b7097

SHA256
c47ce748d9009123108b7a5b45cb93dfbb8c3750c37c9de9c651ba5902e432ff

SHA512
fbdc1fbc62075c6087d581257dde309a4750cdafa414056ba687d88f00a4cb592f4c89c15da00dd6fd5d8167f1d0b6056035a8dcff5b6c088348fe634c2ba00b

Download Submit
memory/884-54-0x0000000000DB0000-0x0000000000E36000-memory.dmp

Filesize
536KB

Download
memory/884-55-0x0000000002240000-0x00000000022B6000-memory.dmp

Filesize
472KB

Download
memory/884-56-0x0000000000740000-0x000000000074C000-memory.dmp

Filesize
48KB

Download
memory/1040-72-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-73-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-60-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-61-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-62-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-63-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-64-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1040-66-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-68-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-69-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-71-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-58-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-59-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-74-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-75-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-80-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-82-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-57-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-88-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-94-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-95-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-96-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-103-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-109-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-115-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-116-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1040-117-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

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