remcos | cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78

General

Target

cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe
Size

992KB
MD5

c3ac004c7b0c371881c4736e73c1e123
SHA1

ebe824a67a5c6c53d52571efaa009f593256342f
SHA256

cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78
SHA512

761aa1d214c94345f5de90f63261afa5ed13f11e96b54837b26edd31755fe4191fbcefca55487948e41ba66efbfa4b224143f6633c7cdabefa5fcc7f544eaa9e
SSDEEP

12288:9BIR4R52J+Xt/AiAOBSKtyO9UU0XGq7hoYbAlm7INZKcLwqIciOs4WOMgf4A4Hto:9BIeeBE4rO9UFo4AM7gwqVs4Wqf4dI

Score

10^/10

remcos oyo discovery rat

Malware Config

Extracted

Family

remcos

Botnet

oyo

C2

oyo.work.gd:3174

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
ios
mouse_option
false
mutex
gig-A6WSUR
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
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 2972 set thread context of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2080	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31
PID 2972 wrote to memory of 2080	2972	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	31

C:\Users\Admin\AppData\Local\Temp\cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe
"C:\Users\Admin\AppData\Local\Temp\cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe
  "C:\Users\Admin\AppData\Local\Temp\cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2080

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\ios\logs.dat

Filesize
144B

MD5
433f195d25af49e5caa0dd0942c24656

SHA1
40442375748fc7064c4ed3ae96982f9e49be35a2

SHA256
577de47d0cf61f5fecc5c552fc4d8c8d145e349b68c14cafaab4ded808ff6ce1

SHA512
7bb378c4dbbe59350448176aa107012206f75a574d6bbaa9e21515b32c13b0b31df2dae38c8029d0daa9fcaf3050b6673d3305c582ec6ec92be18efc98afa1e9

Download Submit
memory/2080-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2080-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2972-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000000AB0000-0x0000000000BAE000-memory.dmp

Filesize
1016KB

Download
memory/2972-6-0x0000000002140000-0x0000000002200000-memory.dmp

Filesize
768KB

Download
memory/2972-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2972-33-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2972-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2972-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download

Analysis

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