remcos | 588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 17:04

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General

Target

588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe
Size

1.2MB
MD5

8d947712233b2a850d9d2fee2818106a
SHA1

b46b2b00990dc5bb33b27a6d208048db68ecdcc8
SHA256

588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723
SHA512

c72152d29723ec16e33bb15b0235adb47dfddff46b595dee46610d23681ae95d8c3823b00f9abce477c36fe5ccdb6c4bc8a2b379da90c66bdc884e968301fa15
SSDEEP

24576:S6inYmOMJ+FU3WZvTS8ms6xAPe635AZx/2l86NA:SWmtA63WZ3v6S2635AZMhNA

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Host

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 2092 set thread context of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.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	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2468	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31
PID 2092 wrote to memory of 2468	2092	588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe	31

C:\Users\Admin\AppData\Local\Temp\588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe
"C:\Users\Admin\AppData\Local\Temp\588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe
  "C:\Users\Admin\AppData\Local\Temp\588b80f57e25b39a32181cb9a6999e17b86d0c75864d31805305a48b10868723.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\pdf\logs.dat

Filesize
144B

MD5
72098fc5d8cf6fc0a66d9fe7712a2638

SHA1
248b947176881b7476088861981478333eb1c1de

SHA256
475550f64790f843cefd4ed182a3f0474048747d51e7091b4554b73081cbfb54

SHA512
4ce003bc32dae51cb2278eb9b145f893e71f0d3bd90332d7c6df233aba3c64841a2e7003d652d690f1e92e25f7df5ab3af320e9d81679169aeb14e30018efb44

Download Submit
memory/2092-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2092-1-0x0000000000B60000-0x0000000000C9C000-memory.dmp

Filesize
1.2MB

Download
memory/2092-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

Filesize
72KB

Download
memory/2092-4-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-6-0x00000000052C0000-0x0000000005380000-memory.dmp

Filesize
768KB

Download
memory/2092-34-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2468-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download