remcos | 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/11/2024, 10:21

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General

Target

3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
Size

897KB
MD5

667060459d876845db2677ddc3d58488
SHA1

800f741383f4f4027d70a5942fe4b263b592eed5
SHA256

3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
SHA512

c9fce460c1b2de0e53782df4a84dc6c1d28bc4b8b8850b0adcbf3f87e72d156654760ebb32e52582a7adc4e3d58526959b51cdfd72fa947b314749c23492fee7
SSDEEP

24576:vMy1GyhxutkS+BwTCEGh0BV0i7OqD4uTfV:LFhxutkdeCEGmB6uD4uD

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 2808 set thread context of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.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	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2840	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29
PID 2808 wrote to memory of 2840	2808	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	29

C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
"C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
  "C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2840

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

Replay Monitor

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Downloads

C:\ProgramData\pdf\logs.dat

Filesize
144B

MD5
1c0190cd2da4eb3b90a57d6dbd25bda4

SHA1
b7ada8ee279658c344a9abb98afe9adb3feef7f2

SHA256
21dece2f1ea5de5bcc353021fdaf11009e4187ad22eaf00732b87479335e41fd

SHA512
1566cb5d3928a0f1a6f0f87e47bc805fb25fe08ea4690a490b9a615b436104a2275e9f5a315d60ffeeb97c861b5bc7c79d844dc6ad6bf7d09068e497ca1c7591

Download Submit
memory/2808-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2808-1-0x00000000011B0000-0x0000000001296000-memory.dmp

Filesize
920KB

Download
memory/2808-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-3-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download
memory/2808-4-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2808-5-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-6-0x0000000005C70000-0x0000000005D30000-memory.dmp

Filesize
768KB

Download
memory/2808-34-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2840-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download