remcos | 8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d

General

Target

8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe
Size

912KB
MD5

db7bfb156e62d366247c7cbe83134fcb
SHA1

b8f2e3ba2f314d1ca16747188b9d7a2cc5a220ea
SHA256

8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d
SHA512

b8c21fe65ea9d4e8c7465d9380a5636cc84af62906bd3d3cdb91f998b4b204645a387dcb5510aa9950b416204bc091881e8c05a25eacd3233cf75a2f8d0218d5
SSDEEP

24576:glYsMI+KbwAbUMqTmxLytNgpKn3/Itf6I:glYsx+KUAgMqGytaKn3/wf

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

blakaa.duckdns.org:2404

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-G5I4GA
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 3572 set thread context of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86

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	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86
PID 3572 wrote to memory of 632	3572	8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe	86

C:\Users\Admin\AppData\Local\Temp\8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe
"C:\Users\Admin\AppData\Local\Temp\8e4656c805621f5b8d18f090c3416d4a23d13e985b1fec1c86dc8586064c315d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:632

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

memory/632-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/632-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3572-8-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3572-17-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3572-2-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/3572-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3572-10-0x0000000009610000-0x00000000096AC000-memory.dmp

Filesize
624KB

Download
memory/3572-9-0x0000000006EE0000-0x0000000006FA0000-memory.dmp

Filesize
768KB

Download
memory/3572-1-0x0000000000280000-0x000000000036A000-memory.dmp

Filesize
936KB

Download
memory/3572-7-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3572-6-0x0000000006280000-0x0000000006292000-memory.dmp

Filesize
72KB

Download
memory/3572-5-0x0000000004D30000-0x0000000004D3A000-memory.dmp

Filesize
40KB

Download
memory/3572-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3572-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download

Analysis

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