remcos | 46843628bf45d76b6592ba92e87df2a1a1cd0b661a490d4deb6c499d2897f508

Analysis

max time kernel
152s
max time network
159s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 08:36

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General

Target

INQUIRY 202209SCS.exe
Size

1.0MB
MD5

fd6f72c5d462fe0430e91f610747f0b7
SHA1

628203820d5c783b2985c8a653fc5fc3144a1a39
SHA256

2068d6dc1ef76f480e3fefd9fb239555d5f136c6c94d35232c273414ef4531f6
SHA512

98fb7a016c8ebeca9a23c6cd98d444c773eb2f71ec3b402458c433bbd5b5a32e46e0f6a149acc670811d8fb669786b8ff726040769dc841b144282deb05e3ae6
SSDEEP

12288:7ciYxpcVgA05HSleVr4DLCMrVuEPx940LsM8wFZI0jf6Xy6tynhvsLx8qszEEW:ccWylAoPPb40j8gI0m1yhEL/N

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:

INQUIRY 202209SCS.exe

description pid process target process

PID 1992 set thread context of 1016 1992 INQUIRY 202209SCS.exe INQUIRY 202209SCS.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INQUIRY 202209SCS.exe

pid process

1992 INQUIRY 202209SCS.exe
1992 INQUIRY 202209SCS.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INQUIRY 202209SCS.exe

description pid process

Token: SeDebugPrivilege 1992 INQUIRY 202209SCS.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INQUIRY 202209SCS.exe

pid process

1016 INQUIRY 202209SCS.exe

description	pid	process	target process
PID 1992 set thread context of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe

pid	process
1992	INQUIRY 202209SCS.exe
1992	INQUIRY 202209SCS.exe

description	pid	process
Token: SeDebugPrivilege	1992	INQUIRY 202209SCS.exe

pid	process
1016	INQUIRY 202209SCS.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

INQUIRY 202209SCS.exe

description	pid	process	target process
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe
PID 1992 wrote to memory of 1016	1992	INQUIRY 202209SCS.exe	INQUIRY 202209SCS.exe

C:\Users\Admin\AppData\Local\Temp\INQUIRY 202209SCS.exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY 202209SCS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\INQUIRY 202209SCS.exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY 202209SCS.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1016-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-73-0x00000000004327A4-mapping.dmp

Download
memory/1016-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1016-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-59-0x00000000022B0000-0x000000000232C000-memory.dmp

Filesize
496KB

Download
memory/1992-54-0x0000000000DA0000-0x0000000000EB0000-memory.dmp

Filesize
1.1MB

Download
memory/1992-57-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/1992-56-0x0000000000570000-0x0000000000586000-memory.dmp

Filesize
88KB

Download
memory/1992-55-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1992-58-0x00000000054D0000-0x00000000055A2000-memory.dmp

Filesize
840KB

Download