remcos | 06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f

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

description	pid	Process	procid_target
PID 588 set thread context of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.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	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29
PID 588 wrote to memory of 2860	588	06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f.exe	29

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:588
- 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:2860

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
55fadfb5dc747c89fe92b0f3ea0f3aa7

SHA1
87934b42188d03fdf4b2eb09673bfb81268ccf71

SHA256
14d64d70fca241eb1904231c4c2b0ef081591a81093c52a61f807002b44021eb

SHA512
efdefffc31e101ec28d1f46443570f89e1a56d91e205f5ff9d1fdfc782ee2f8f8202d933788947ca05c6b1a56d1e950f61b649731b011d5f27cb8392540264b3

Download Submit
memory/588-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/588-1-0x0000000000F90000-0x000000000108C000-memory.dmp

Filesize
1008KB

Download
memory/588-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/588-3-0x0000000000870000-0x0000000000882000-memory.dmp

Filesize
72KB

Download
memory/588-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/588-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/588-6-0x0000000005180000-0x0000000005240000-memory.dmp

Filesize
768KB

Download
memory/588-26-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2860-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2860-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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