remcos | 303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff

General

Target

303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe
Size

604KB
MD5

fbcf58f9ce64d200379298fcd87aa56b
SHA1

74388b7d29b042a1dabfeda00066eda76a9cf348
SHA256

303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff
SHA512

3873f23e8a350b812f7edb6770cc625604a877d658453ddd4f4a84b975d88dbbfb19c071a1f089eeb21fb524edd8bdd395aa5e8b484b87ce29480e9ca39e32df
SSDEEP

12288:MLKzlyrLuJygHZ8C2V3Oliayg2Mj1ngA+0mqwgqi59CU:uIyrCJygn2ZOlX1nz3wgqiHr

Score

10^/10

remcos remotehost12 discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost12

C2

rem24251mr.duckdns.org:24251

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-P0KZ2Q
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

description	pid	Process	procid_target
PID 668 set thread context of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30

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	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30
PID 668 wrote to memory of 2768	668	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	30

C:\Users\Admin\AppData\Local\Temp\303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe
"C:\Users\Admin\AppData\Local\Temp\303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668
- C:\Users\Admin\AppData\Local\Temp\303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe
  "C:\Users\Admin\AppData\Local\Temp\303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2768

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
ffcc74dd37d082621fa4384b1691d4c6

SHA1
4d70685e87cba348511e37bc7c2a2662ebb0be6e

SHA256
ca612630167bf734d0ec26dc7789f40aa0b6700b4e8d47376cd5e53354d9a136

SHA512
32b5379c9eb64cf541d6d92f8e06b9ee30970b9fe2374ea707b5793c3280400903c16587dddad456e53b59c40d320ecafad0f8a5b0fe4356fc909b6698841632

Download Submit
memory/668-0-0x0000000073D9E000-0x0000000073D9F000-memory.dmp

Filesize
4KB

Download
memory/668-1-0x00000000002B0000-0x000000000034C000-memory.dmp

Filesize
624KB

Download
memory/668-2-0x00000000046A0000-0x0000000004736000-memory.dmp

Filesize
600KB

Download
memory/668-3-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download
memory/668-4-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/668-32-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-31-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-37-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-13-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-28-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-17-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-11-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-10-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-22-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-9-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-8-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-7-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-12-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-33-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-36-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-27-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-38-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-40-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-42-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-43-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-5-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-50-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-51-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-58-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-59-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-66-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-67-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-74-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download
memory/2768-75-0x0000000000080000-0x0000000000102000-memory.dmp

Filesize
520KB

Download

Analysis

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