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 4700 set thread context of 4948 4700 01248782c871923cce056480ce946ab7.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

pid process

4700 01248782c871923cce056480ce946ab7.exe
4700 01248782c871923cce056480ce946ab7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

description pid process

Token: SeDebugPrivilege 4700 01248782c871923cce056480ce946ab7.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aspnet_compiler.exe

pid process

4948 aspnet_compiler.exe

description	pid	process	target process
PID 4700 set thread context of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe

pid	process
4700	01248782c871923cce056480ce946ab7.exe
4700	01248782c871923cce056480ce946ab7.exe

description	pid	process
Token: SeDebugPrivilege	4700	01248782c871923cce056480ce946ab7.exe

pid	process
4948	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

01248782c871923cce056480ce946ab7.exe

description	pid	process	target process
PID 4700 wrote to memory of 1192	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 1192	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 1192	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	01248782c871923cce056480ce946ab7.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 4948	4700	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:4700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:1192

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:4948

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

MD5
2d0fb646f5c5772ce6a498b85ac700f8

SHA1
dd1c9156458674f971422e14032506bf0ec05b44

SHA256
a211305b0d70459521dc1c4f142f9fd23ef6ed7f0b8a61b05805fc804756da9a

SHA512
06396731c6149de66408a7466776722a2ccb6dd685198f1a872db4ba1d6c0439c1b724c96af28e4dcfed5651d65790b1340431bdc5e80dc207d75ce5c1b72e95

Download Submit
memory/4700-133-0x000001AE3B7B0000-0x000001AE3B836000-memory.dmp

Filesize
536KB

Download
memory/4948-148-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-151-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-138-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-140-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-141-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-142-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-143-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-144-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-136-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-137-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-134-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-157-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-164-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-165-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-166-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-172-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-179-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-185-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-186-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-187-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

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