remcos | f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da

General

Target

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.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

Processes:

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

description	pid	Process	procid_target
PID 4420 set thread context of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.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

Processes:

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exef3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

pid	Process
3872	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

description	pid	Process	procid_target
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90
PID 4420 wrote to memory of 3872	4420	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	90

C:\Users\Admin\AppData\Local\Temp\f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe
"C:\Users\Admin\AppData\Local\Temp\f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe
  "C:\Users\Admin\AppData\Local\Temp\f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3872

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
7eea33252fcc4414830f01641e1f573e

SHA1
2bafea2771f0ee89d865f7b7b114042ddd1ef940

SHA256
2281b9df38df6a6ed35b55f5dc04d6bad0fdb8e485e7d550ccb2ee40c83b385f

SHA512
55690a3550e31ed7ff1d78da3cdaa9aa2453215cd843f8e2b3285e93794920eb93388f13cb8cf4d45158ca6ea4a6086568199d10612714883fd9ba6332ee5396

Download Submit
memory/3872-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3872-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4420-7-0x0000000005590000-0x00000000055AC000-memory.dmp

Filesize
112KB

Download
memory/4420-10-0x0000000007A40000-0x0000000007B02000-memory.dmp

Filesize
776KB

Download
memory/4420-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/4420-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4420-9-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4420-1-0x0000000000520000-0x0000000000616000-memory.dmp

Filesize
984KB

Download
memory/4420-8-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4420-20-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4420-6-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

Filesize
40KB

Download
memory/4420-5-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4420-4-0x0000000005040000-0x00000000050DC000-memory.dmp

Filesize
624KB

Download
memory/4420-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads