remcos | d6ee6bb4bf80fe883da0a277b1f1f12fb40c00d4893cfff05060b1ebf4a5ca96

Analysis

max time kernel
149s
max time network
139s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-11-2022 13:33

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General

Target

NEW INQUIRY 0220.PDF.exe
Size

1.2MB
MD5

2d05551d7c9aaac7e920d42fa0f209f7
SHA1

a79a4d1842a44a53527192c961f653dd73973760
SHA256

d6ee6bb4bf80fe883da0a277b1f1f12fb40c00d4893cfff05060b1ebf4a5ca96
SHA512

163e41c904794f0b3cff738472dc2787f792062c7b12b7a0802fd0cd4a7dc6712fdcb1cebd4527f10f66ea746062b99e1b810b65671cabe6bcf6702bd345bc32
SSDEEP

24576:eWmdxkr5uJJs7e2mAJZQd8tpOupzRQGL3dRhFWuyKHivAQ43:en+r5uzsS2VZbtDDThFWuyKOAQ4

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 0220.PDF.exe

description pid process target process

PID 768 set thread context of 1992 768 NEW INQUIRY 0220.PDF.exe NEW INQUIRY 0220.PDF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

NEW INQUIRY 0220.PDF.exe

pid process

1992 NEW INQUIRY 0220.PDF.exe

description	pid	process	target process
PID 768 set thread context of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe

pid	process
1992	NEW INQUIRY 0220.PDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEW INQUIRY 0220.PDF.exe

description	pid	process	target process
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe
PID 768 wrote to memory of 1992	768	NEW INQUIRY 0220.PDF.exe	NEW INQUIRY 0220.PDF.exe

C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY 0220.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY 0220.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:768

C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY 0220.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY 0220.PDF.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/768-54-0x0000000001290000-0x00000000013D2000-memory.dmp

Filesize
1.3MB

Download
memory/768-55-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/768-56-0x00000000003E0000-0x00000000003FA000-memory.dmp

Filesize
104KB

Download
memory/768-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/768-58-0x0000000005640000-0x00000000056F2000-memory.dmp

Filesize
712KB

Download
memory/768-59-0x0000000005120000-0x000000000519E000-memory.dmp

Filesize
504KB

Download
memory/768-76-0x0000000004E45000-0x0000000004E56000-memory.dmp

Filesize
68KB

Download
memory/1992-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-73-0x00000000004327A4-mapping.dmp

Download
memory/1992-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download