remcos | e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a

General

Target

e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe
Size

2.0MB
MD5

4c19699cbaac64e5bc471cef0b6f0e68
SHA1

08b8eb14d91085cc02448874c134c9d1905ae597
SHA256

e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a
SHA512

76772e10da3f4f3fa540869be721ff8b2249994a6795a338bfda789fe9090d442820991df415349675d8a050998595735f563515c479d3e65de2949d9e1c7065
SSDEEP

12288:t+LbX5HPxKOza48US5HbWjKEhz8DEkE+jZZk/TVRzAy1LsAoKLjmVD1a:ALlHPIgtSxbSKEHkH+/TVRzVsA6VD1a

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:8080

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-SF7E52
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

Processes:

e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe

description	pid	process	target process
PID 4024 set thread context of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

aspnet_wp.exe

description ioc process

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_wp.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe

description	pid	process	target process
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1412	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1968	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1968	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe
PID 4024 wrote to memory of 1968	4024	e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe	aspnet_wp.exe

C:\Users\Admin\AppData\Local\Temp\e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe
"C:\Users\Admin\AppData\Local\Temp\e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1412
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:1968

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/1412-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1412-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4024-1-0x00007FFFFEA73000-0x00007FFFFEA75000-memory.dmp

Filesize
8KB

Download
memory/4024-2-0x00000222468A0000-0x0000022246972000-memory.dmp

Filesize
840KB

Download
memory/4024-10-0x00007FFFFEA70000-0x00007FFFFF531000-memory.dmp

Filesize
10.8MB

Download
memory/4024-3-0x00007FFFFEA70000-0x00007FFFFF531000-memory.dmp

Filesize
10.8MB

Download
memory/4024-0-0x000002222C3C0000-0x000002222C3C6000-memory.dmp

Filesize
24KB

Download

Analysis

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