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 2260 set thread context of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29

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	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3028	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29
PID 2260 wrote to memory of 3028	2260	303e415db0644366a316524070b046b1b2a5dd2441258d6295859abc74f352ff.exe	29

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:2260
- 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:3028

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
ba8ce37ef0af0261c32f09ca0d93b0ff

SHA1
1509092c299a1e10321497fd9298e59eadc9516a

SHA256
3dd5b12cb9ca03740d196102fd4e646e97c6b600875beed98d817421d7499098

SHA512
0e1789fcf498c439cb91fbb1ca211c048c057d46adc342b7f26a02cb53116f2f3497e7310df4abd7a4de057e49c07b0e84240fef3e5e06d12de92d02758ff05e

Download Submit
memory/2260-0-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2260-1-0x0000000000E10000-0x0000000000EAC000-memory.dmp

Filesize
624KB

Download
memory/2260-2-0x00000000022B0000-0x0000000002346000-memory.dmp

Filesize
600KB

Download
memory/2260-3-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-4-0x00000000005E0000-0x00000000005EA000-memory.dmp

Filesize
40KB

Download
memory/2260-28-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3028-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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