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 2252 set thread context of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31

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
2228	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe

description	pid	Process	procid_target
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31
PID 2252 wrote to memory of 2228	2252	f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da.exe	31

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:2252
- 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:2228

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
f4eb6989932607330b5d1ce0f10c5bd8

SHA1
635470992a869bc4861306d66700c4723e32fcf7

SHA256
fe8e33f039dce650703731eb4060f8bafd16343897782f5c604196f72e53a2b6

SHA512
02b1829187ba9e82789fb57fb93f840a943d25fb1ec7a191aadf122b3632a0f0aa6192f2466f1bc269ebd8756b5b9acf3cec16414f8a0b9764be96c50b70b519

Download Submit
memory/2228-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2228-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2252-1-0x0000000001060000-0x0000000001156000-memory.dmp

Filesize
984KB

Download
memory/2252-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-4-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2252-28-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-5-0x0000000004FB0000-0x0000000005072000-memory.dmp

Filesize
776KB

Download
memory/2252-3-0x0000000000650000-0x000000000066C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads