remcos | b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8

General

Target

SC_TR126089907.exe
Size

1.1MB
MD5

d8f15666d25a32702106b56dfd962cd6
SHA1

b680052ba6f10f87595df8e6f06065546109c9e2
SHA256

b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8
SHA512

0bda9df65f34d05ff4448783bd0c747631621bdea98d716f3b3fb77f6b05784efd4aa67cf55e60e966375e2590df7bb30f4651865345f0995f50fcad31458f8b
SSDEEP

24576:e2xjcLCnYnIXrbmcfjyTinYxorzPMFZYXX+Wjj8GLgv:lZnYIXrbFm6YSzPwYXX+G4GL

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.duckdns.org:6847

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-VPA6N9
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 1520 set thread context of 872	1520	SC_TR126089907.exe	97

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	SC_TR126089907.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SC_TR126089907.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
872	SC_TR126089907.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97
PID 1520 wrote to memory of 872	1520	SC_TR126089907.exe	97

C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
"C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:872

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
77bec614195ac6a7658b4e58b519bfac

SHA1
8580dc3a88cff4e62ebc38a0de848d6f48b8abd7

SHA256
e0590679747c39c37a803d76c9807b9cb065ed557224fc1f4320aaf82e140ea2

SHA512
8311a5f2b0a0866eeb95f9b5988be628cd785c814ba809b2ec302ef8b654c5d03cfd1815b02ff1367f3b46b1bf921344b93aaed70e3821dda92978effda12adc

Download Submit
memory/872-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/872-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1520-7-0x00000000059E0000-0x00000000059F8000-memory.dmp

Filesize
96KB

Download
memory/1520-15-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1520-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/1520-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1520-10-0x00000000086E0000-0x00000000087A2000-memory.dmp

Filesize
776KB

Download
memory/1520-1-0x0000000000B30000-0x0000000000C4A000-memory.dmp

Filesize
1.1MB

Download
memory/1520-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1520-8-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1520-6-0x0000000005920000-0x00000000059BC000-memory.dmp

Filesize
624KB

Download
memory/1520-5-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/1520-4-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1520-3-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download

Analysis

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