remcos | e3ae16bb86c551e285199b4936337c98c9cf0267e636f51a69bae10a5135475e

General

Target

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
Size

981KB
MD5

5609198accfb2ccedb39e7755ed6a36c
SHA1

2bc0ee0e47c40a298038863338c4c07d7029d695
SHA256

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f
SHA512

f49ad0d40d40f9073a90cabd73065c4d2ab9de0f340dd109196161ad8bcbd2f73917c5232ec752241231df6ce069e5a0503c844f522a3e7c49daa3ed66a290d3
SSDEEP

24576:IAZCJVAeo/UMV0w7KpWXPL8YKSdtJ/JVw6:mPOd8WIYKSdt5

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

oyo.work.gd:3142

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
pdf
mouse_option
false
mutex
jkm-I9KENP
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
ios
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:

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

description	pid	process	target process
PID 2552 set thread context of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

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:

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

pid process

2856 06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

pid	process
2856	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

description	pid	process	target process
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
PID 2552 wrote to memory of 2856	2552	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

C:\Users\Admin\AppData\Local\Temp\06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
"C:\Users\Admin\AppData\Local\Temp\06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
  "C:\Users\Admin\AppData\Local\Temp\06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2856

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\pdf\logs.dat

Filesize
144B

MD5
fe44560f88cd99d1a9be268927b9a24d

SHA1
6a180661beced0af4570c1479a78ee020e5477d6

SHA256
de1b0e0f1a1fec7a3514ee42370a415cd11e3b2d01927f91148d7baa28193f92

SHA512
530ff43ff1effc6abd7f9f25fbd0361415d26a6de720a9faa23b571d3ab1817d9c013c10af723a7d6c32a537304edbe651d4b4fed85ad2ba44ec0ba961b95c7d

Download Submit
memory/2552-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2552-1-0x0000000000170000-0x000000000026C000-memory.dmp

Filesize
1008KB

Download
memory/2552-2-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-3-0x0000000000910000-0x0000000000922000-memory.dmp

Filesize
72KB

Download
memory/2552-4-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2552-5-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-6-0x0000000005D60000-0x0000000005E20000-memory.dmp

Filesize
768KB

Download
memory/2552-25-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads