remcos | e2044dd132ed43d44de5f48a18f60d5eb804cbf568ab117002272172b8757da8

General

Target

9967AF915D0D71B70AC5C3CECCC9EAB4.exe
Size

936KB
MD5

9967af915d0d71b70ac5c3ceccc9eab4
SHA1

4e44ee90eda97e7ed3ed7957554dfaa347e03951
SHA256

e2044dd132ed43d44de5f48a18f60d5eb804cbf568ab117002272172b8757da8
SHA512

32a3bfe9eac45cb4248db4376ff44df3e97a92713cbc36d0843d4d40a940d5c855175e633c29961155097e4985566d0ce08971ed303de43456190983d64d9361
SSDEEP

12288:0+zjLf30WH0XUh/mbA3OJb4GWEJFORYQpCvMOAXoLZY7NjcOaaRMFKp//NKTUXqY:04jj0yFh/F+laYIzb4a7SOlNa2CP93Y

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-TS121V
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33

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	9967AF915D0D71B70AC5C3CECCC9EAB4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9967AF915D0D71B70AC5C3CECCC9EAB4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe
1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe
1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe
1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2828	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	31
PID 1892 wrote to memory of 2828	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	31
PID 1892 wrote to memory of 2828	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	31
PID 1892 wrote to memory of 2828	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	31
PID 1892 wrote to memory of 2840	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	32
PID 1892 wrote to memory of 2840	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	32
PID 1892 wrote to memory of 2840	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	32
PID 1892 wrote to memory of 2840	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	32
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33
PID 1892 wrote to memory of 2808	1892	9967AF915D0D71B70AC5C3CECCC9EAB4.exe	33

C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
"C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
  "C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
  2⤵
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
  "C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
  2⤵
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
  "C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1892-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/1892-1-0x0000000000A10000-0x0000000000B00000-memory.dmp

Filesize
960KB

Download
memory/1892-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/1892-3-0x0000000000470000-0x0000000000488000-memory.dmp

Filesize
96KB

Download
memory/1892-4-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/1892-5-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/1892-6-0x0000000004F40000-0x0000000005000000-memory.dmp

Filesize
768KB

Download
memory/1892-28-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2808-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing