remcos | f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5

General

Target

NewOrderInquiry.exe
Size

994KB
MD5

6731b5df6330f9985ff98363800962dc
SHA1

308778a3bbafd1bb5b1d7d8bab7801ffd04d2955
SHA256

f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5
SHA512

ce479e75632c2e470eb84cdb42e94534bb21975124dd3f166f9a5aecd62cff3ebf37ee9bb3e4c7110fd23782c2798ced8559ba6b3f5d57b01c6d512d1bb02c0b
SSDEEP

24576:x4FXOPkfKVH2Ix+fPFGuR6BdNoLZT/dZGeBdgE7E8D:y9yVHQftTm8ZT1/dD7E8D

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

80.76.51.19:2404

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-2XABUM
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 432 set thread context of 2800	432	NewOrderInquiry.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	NewOrderInquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NewOrderInquiry.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29
PID 432 wrote to memory of 2800	432	NewOrderInquiry.exe	29

C:\Users\Admin\AppData\Local\Temp\NewOrderInquiry.exe
"C:\Users\Admin\AppData\Local\Temp\NewOrderInquiry.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:432
- C:\Users\Admin\AppData\Local\Temp\NewOrderInquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\NewOrderInquiry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800

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/432-21-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-1-0x0000000000E60000-0x0000000000F5E000-memory.dmp

Filesize
1016KB

Download
memory/432-2-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-3-0x0000000000480000-0x0000000000498000-memory.dmp

Filesize
96KB

Download
memory/432-4-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/432-5-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-6-0x0000000005AA0000-0x0000000005B62000-memory.dmp

Filesize
776KB

Download
memory/432-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2800-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2800-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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