remcos | f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da

General

Target

UPS_CBIJ90511770131.exe
Size

962KB
MD5

89844adca9d975b9933cea1a576ada58
SHA1

c08481b4cf49fcf2979b2c72213d31c064a760e3
SHA256

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da
SHA512

6c0b8a2d0298f02994fabd39dc2a1da491e7b84bdea55b59863c595db9aeb77b2190b6ce8091c2acb0d7c3078b858b390876a45f281072cc730dfd0a5b095b25
SSDEEP

24576:+CfpCdeGe8+2+NE2HqIvU0BsnpCY3QeEz+9vmvGQJM:bFnepIsGskY3a+Zoe

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 3852 set thread context of 1440	3852	UPS_CBIJ90511770131.exe	90

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	UPS_CBIJ90511770131.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UPS_CBIJ90511770131.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1440	UPS_CBIJ90511770131.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90
PID 3852 wrote to memory of 1440	3852	UPS_CBIJ90511770131.exe	90

C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
"C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1440

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

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
8f19984e256640a3b7702fb5df163bf2

SHA1
315be0be9e7a5606bd72bc63841aa3547704f556

SHA256
70154c94e6b8b4422e31098c1da5c55177586711d4ae3e4b16c41ffd32725f87

SHA512
81fbc098a58384446492fcc21caac11405a8d6fe3969476291d3b92252699ac2945659a4e6c013ee5fab71fa8aac7c58a735ac892a8575d18b7ddf017c024228

Download Submit
memory/1440-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1440-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3852-9-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3852-1-0x00000000005C0000-0x00000000006B6000-memory.dmp

Filesize
984KB

Download
memory/3852-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/3852-3-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/3852-10-0x0000000007C00000-0x0000000007CC2000-memory.dmp

Filesize
776KB

Download
memory/3852-2-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/3852-8-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/3852-7-0x0000000005430000-0x000000000544C000-memory.dmp

Filesize
112KB

Download
memory/3852-5-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/3852-6-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3852-4-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/3852-20-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download

Analysis

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