remcos | 89f4203e055ad6d3b40b74d683ed1ca0436ad4df41c3456f23134c4a15eb6c13

General

Target

ORDER INQUIRY 20230201.exe
Size

1.1MB
MD5

4bc918bf6311c5b753c353efd306547e
SHA1

9b7301fc448a6d9564e6b984363190ffa88ab891
SHA256

89f4203e055ad6d3b40b74d683ed1ca0436ad4df41c3456f23134c4a15eb6c13
SHA512

0d9b575c93cb73de5cfc175335f72cefb8b9d3f5d5e90ab1353b0362fbde0bbcfc288fa5039759fb92ad0154e836c3cefb9636e7a108d5706023611e1ac93cfe
SSDEEP

24576:peOaJr8zw6RgDlCwwWbYqhseWy97+3A3Me83RAiTH/qc4N34:pAJr8zgDlCww6YqhsOY3OKhAiT

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

onyem.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-HFP2Q6
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:

ORDER INQUIRY 20230201.exe

description pid process target process

PID 1484 set thread context of 560 1484 ORDER INQUIRY 20230201.exe ORDER INQUIRY 20230201.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1488 schtasks.exe

description	pid	process	target process
PID 1484 set thread context of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe

pid	process
1488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

ORDER INQUIRY 20230201.exepowershell.exe

pid	process
1484	ORDER INQUIRY 20230201.exe
1484	ORDER INQUIRY 20230201.exe
1484	ORDER INQUIRY 20230201.exe
1484	ORDER INQUIRY 20230201.exe
1484	ORDER INQUIRY 20230201.exe
1484	ORDER INQUIRY 20230201.exe
672	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORDER INQUIRY 20230201.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1484 ORDER INQUIRY 20230201.exe
Token: SeDebugPrivilege 672 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ORDER INQUIRY 20230201.exe

pid process

560 ORDER INQUIRY 20230201.exe

description	pid	process
Token: SeDebugPrivilege	1484	ORDER INQUIRY 20230201.exe
Token: SeDebugPrivilege	672	powershell.exe

pid	process
560	ORDER INQUIRY 20230201.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ORDER INQUIRY 20230201.exe

description	pid	process	target process
PID 1484 wrote to memory of 672	1484	ORDER INQUIRY 20230201.exe	powershell.exe
PID 1484 wrote to memory of 672	1484	ORDER INQUIRY 20230201.exe	powershell.exe
PID 1484 wrote to memory of 672	1484	ORDER INQUIRY 20230201.exe	powershell.exe
PID 1484 wrote to memory of 672	1484	ORDER INQUIRY 20230201.exe	powershell.exe
PID 1484 wrote to memory of 1488	1484	ORDER INQUIRY 20230201.exe	schtasks.exe
PID 1484 wrote to memory of 1488	1484	ORDER INQUIRY 20230201.exe	schtasks.exe
PID 1484 wrote to memory of 1488	1484	ORDER INQUIRY 20230201.exe	schtasks.exe
PID 1484 wrote to memory of 1488	1484	ORDER INQUIRY 20230201.exe	schtasks.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe
PID 1484 wrote to memory of 560	1484	ORDER INQUIRY 20230201.exe	ORDER INQUIRY 20230201.exe

C:\Users\Admin\AppData\Local\Temp\ORDER INQUIRY 20230201.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER INQUIRY 20230201.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VlANzLOhprFUhQ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VlANzLOhprFUhQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7BA.tmp"
2⤵
- Creates scheduled task(s)
PID:1488

C:\Users\Admin\AppData\Local\Temp\ORDER INQUIRY 20230201.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER INQUIRY 20230201.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD7BA.tmp
Filesize
1KB

MD5
47e5cb5a242071b5709ff504199b2098

SHA1
2cfe79faa51c365a54238cd8d5a5753651ac0b02

SHA256
077e44e3b7a866f3bfeb572c62502def0b075867df81eec8524c279361cce275

SHA512
070a7b63dbce48b9c32d68230bc96adf23df1721a9159e61a4f73baa03f6e580a484f66183cdfb09cd145719a843ca8e94b415f78114b1d6e276d93e4cf8b19c

Download Submit
memory/560-77-0x00000000004327A4-mapping.dmp

Download
memory/560-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/560-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/672-81-0x000000006F240000-0x000000006F7EB000-memory.dmp

Filesize
5.7MB

Download
memory/672-59-0x0000000000000000-mapping.dmp

Download
memory/672-83-0x000000006F240000-0x000000006F7EB000-memory.dmp

Filesize
5.7MB

Download
memory/1484-57-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1484-63-0x0000000008340000-0x00000000083BC000-memory.dmp

Filesize
496KB

Download
memory/1484-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1484-56-0x0000000000360000-0x0000000000374000-memory.dmp

Filesize
80KB

Download
memory/1484-54-0x0000000001290000-0x00000000013A6000-memory.dmp

Filesize
1.1MB

Download
memory/1484-58-0x0000000005E20000-0x0000000005ED2000-memory.dmp

Filesize
712KB

Download
memory/1488-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads