remcos | 26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22

General

Target

26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe
Size

908KB
MD5

fce19affe7db15edd2b851ea84cd37ad
SHA1

143e9f5102833d028aca51437854e4a56f1dde11
SHA256

26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22
SHA512

6046d7e2848132ee293a5b507dd76f84d506d4ed2e3673fb9a8bb5fa2d5645c6920de81f1c84f5fa3ee0b493b2c1941be7f37d650de27cec2b3b9113d820ab7d
SSDEEP

24576:pIK++j3zMXN4nH3o4Tps96bSKVZgbI0Nrs4kWAh:7jDkN4nH3/pw6bSKVebI0wT

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 100 set thread context of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87

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	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87
PID 100 wrote to memory of 1484	100	26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe	87

C:\Users\Admin\AppData\Local\Temp\26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe
"C:\Users\Admin\AppData\Local\Temp\26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:100
- C:\Users\Admin\AppData\Local\Temp\26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe
  "C:\Users\Admin\AppData\Local\Temp\26ed62c404f08cb73c5f52cf8df52546a0c69bef2c50a577afa65a515da0cb22.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1484

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/100-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/100-1-0x0000000000AA0000-0x0000000000B8A000-memory.dmp

Filesize
936KB

Download
memory/100-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/100-3-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/100-4-0x0000000005630000-0x000000000563A000-memory.dmp

Filesize
40KB

Download
memory/100-5-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/100-6-0x0000000007330000-0x0000000007342000-memory.dmp

Filesize
72KB

Download
memory/100-7-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/100-8-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/100-9-0x00000000077F0000-0x00000000078B0000-memory.dmp

Filesize
768KB

Download
memory/100-10-0x0000000009F20000-0x0000000009FBC000-memory.dmp

Filesize
624KB

Download
memory/100-18-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/1484-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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