remcos | 72333871ff2e5b9a7ae7e7c11af0c2ccbac7ac53bb60976cf0bcdfabceb5059f

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
10-11-2022 13:18

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General

Target

NEW INQUIRY LIST.PDF.exe
Size

987KB
MD5

a5aa2eac542632dddedfa716b670488f
SHA1

9bcb4986eedb690af9ff49b559da536bdaa43aff
SHA256

72333871ff2e5b9a7ae7e7c11af0c2ccbac7ac53bb60976cf0bcdfabceb5059f
SHA512

4274fd5027c7fad9434590e69ff7959057b5d4922c66be14ebd1281b1348c425f1e3481ba9ec7cb628849b31b4b4bda7ad03a777caece0d819eba2917fad5cd6
SSDEEP

24576:SAd18wtkhGN7NtazF50rOHXr9NBO7SiAH2o4sMmFMc3io3F93:JHtkhGntDyXr5O23WoucSoV9

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

valvesco.duckdns.org:5050

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-48V73L
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:

NEW INQUIRY LIST.PDF.exe

description pid process target process

PID 1504 set thread context of 888 1504 NEW INQUIRY LIST.PDF.exe NEW INQUIRY LIST.PDF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

NEW INQUIRY LIST.PDF.exe

pid process

888 NEW INQUIRY LIST.PDF.exe

description	pid	process	target process
PID 1504 set thread context of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe

pid	process
888	NEW INQUIRY LIST.PDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEW INQUIRY LIST.PDF.exe

description	pid	process	target process
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe
PID 1504 wrote to memory of 888	1504	NEW INQUIRY LIST.PDF.exe	NEW INQUIRY LIST.PDF.exe

C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY LIST.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY LIST.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY LIST.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY LIST.PDF.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/888-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-73-0x00000000004327A4-mapping.dmp

Download
memory/888-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1504-55-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1504-54-0x0000000001230000-0x000000000132E000-memory.dmp

Filesize
1016KB

Download
memory/1504-56-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/1504-59-0x00000000053E0000-0x0000000005468000-memory.dmp

Filesize
544KB

Download
memory/1504-58-0x0000000005640000-0x00000000056FE000-memory.dmp

Filesize
760KB

Download
memory/1504-57-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download