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 392 set thread context of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97

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
3104	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97
PID 392 wrote to memory of 3104	392	cabe0b1ae75f4661dae3b0ebee4b586e1124619fb58fdca9d08c1f04ded7cc78.exe	97

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:392
- 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:3104

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
029cd3aeabf81730b718d6e1ea37364a

SHA1
00be0621949afedab4ca2409a1cd214a5aa409f9

SHA256
c3746aa8377b3b991e25c3a3dc36925c013659ba411de3d705bb4ca591a8b347

SHA512
1cf46f2843b564709ce53e6d71e400cf7bd2c68a659be1259cdc4ee4b80bb36d6a7be1e58c1363af74014bf1e5cb59b66e62b1faabae7be74dcaddbc852d34ee

Download Submit
memory/392-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/392-2-0x0000000008080000-0x0000000008624000-memory.dmp

Filesize
5.6MB

Download
memory/392-3-0x0000000007B70000-0x0000000007C02000-memory.dmp

Filesize
584KB

Download
memory/392-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/392-4-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/392-6-0x0000000007C70000-0x0000000007C88000-memory.dmp

Filesize
96KB

Download
memory/392-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/392-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/392-1-0x0000000000CB0000-0x0000000000DAE000-memory.dmp

Filesize
1016KB

Download
memory/392-10-0x0000000006920000-0x00000000069BC000-memory.dmp

Filesize
624KB

Download
memory/392-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/392-9-0x00000000090D0000-0x0000000009190000-memory.dmp

Filesize
768KB

Download
memory/3104-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3104-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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