remcos | 77f56c0cc0f923dd763e4028d33bcb0d300e15c485602954b81d6a39ec1993ae

General

Target

95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe
Size

2.1MB
MD5

e03579a0e6f2881617a05ce524fe6176
SHA1

dd88c2948daf226985b6048deaa9ad577c7f2370
SHA256

95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee
SHA512

6cf5d6d4046ede733a3eb43f9815166ef9b105063019616c8a6dbb30a8ad74af6ee02af12e1174af982ca76ffe297172b0ce2306b3b22c79f85ef1542892c54d
SSDEEP

24576:ch3MhcNM1O05764Ym/GSdToQbE9roTuOFGydJ8MQ:chcPN6SZDwkA

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

51.75.209.245:2406

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-52YOYG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Suspicious use of SetThreadContext 1 IoCs

Processes:

95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe

description	pid	process	target process
PID 1988 set thread context of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1840 MSBuild.exe

pid	process
1840	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe

description	pid	process	target process
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe
PID 1988 wrote to memory of 1840	1988	95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe
"C:\Users\Admin\AppData\Local\Temp\95205b407cd86cd1b2ddd85bfdaa67d9434c1757e9e8f9fc6b990eb78387f4ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1840

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
5181c1fbfc3d88f19f6803d335fd22b7

SHA1
61defd848ed767f32120fc6a98953a30ec22c3d3

SHA256
1bc6037c0a8c66fa912a8b391b4a4f8880f8ecf36b2a1607c25b1d395c5740fd

SHA512
3d86691254b895ebed8604703a42af89bda55be5f0e19875bd08a741464c352aac9a420d0b271ca4f34940d2c2a99299fa28509c230de4507035581ceb4e7bfb

Download Submit
memory/1840-151-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-183-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-139-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-141-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-142-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-143-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-144-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-182-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-137-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-135-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-147-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-156-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-158-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-163-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-164-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-169-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-170-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-176-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1840-177-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1988-134-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/1988-133-0x00000000003E0000-0x0000000000606000-memory.dmp

Filesize
2.1MB

Download

Analysis

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