remcos | 3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09

General

Target

3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
Size

1.0MB
MD5

0961238c5eb544064ec679ab3ae1d768
SHA1

97f2c51446ef7cc58451db902b83311540273dd3
SHA256

3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09
SHA512

89929f4730680d4d86efb9203ef615cee77fe68b141c1ba54932fb88455435afdd3f1249f8144f706cb10daf6fea6dea40f656fc3540dd559b46a808561a7fad
SSDEEP

24576:wYJN+UVsa/olu4AdAGswqi7Ramu9irQJ2GiaTQ:P3+UfP4MRMcrQ4ITQ

Score

10^/10

remcos host discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

87.121.86.6:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-QB5RVX
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
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2772	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2772	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	30
PID 2420 wrote to memory of 2772	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	30
PID 2420 wrote to memory of 2772	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	30
PID 2420 wrote to memory of 2772	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	30
PID 2420 wrote to memory of 2840	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	31
PID 2420 wrote to memory of 2840	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	31
PID 2420 wrote to memory of 2840	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	31
PID 2420 wrote to memory of 2840	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	31
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33
PID 2420 wrote to memory of 2756	2420	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	33

C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
"C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- 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\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
  "C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
  "C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2420-26-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-1-0x0000000001340000-0x000000000144E000-memory.dmp

Filesize
1.1MB

Download
memory/2420-2-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-3-0x0000000000600000-0x0000000000626000-memory.dmp

Filesize
152KB

Download
memory/2420-4-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2420-5-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-6-0x00000000061C0000-0x0000000006282000-memory.dmp

Filesize
776KB

Download
memory/2420-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2756-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-11-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2756-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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