remcos | fb44e416f489b6c613fcf97ffa0c88ef2d0362e82a7086e8d6e74580395af3aa

General

Target

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
Size

1.5MB
MD5

ddfffbdbb97818dc43696266e7a1335d
SHA1

e2a50fc533c62e2dd8ff12a9cbc91693579f7ead
SHA256

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19
SHA512

b28adb8c22efdcc6b81d59c98cb25152114a28cf88c7264c5cf806ca4aec055d8de0ff4994f1e82da37088bfe5789d807754d472f3777aff62e7401dc24542f4
SSDEEP

24576:saC2JbUKFFbLwWfHoo+ha5B1YORJSoabGcUBD8KM99KUak/2j2I:R3WeF+EZJMws

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

pekonomia.duckdns.org:30861

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-B0VP4N
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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\msbuld\\msbuld.exe\","	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

description	pid	process	target process
PID 4776 set thread context of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

description pid process

Token: SeDebugPrivilege 4776 9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

description	pid	process
Token: SeDebugPrivilege	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

description	pid	process	target process
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
PID 4776 wrote to memory of 4124	4776	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe

C:\Users\Admin\AppData\Local\Temp\9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
"C:\Users\Admin\AppData\Local\Temp\9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776

C:\Users\Admin\AppData\Local\Temp\9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
C:\Users\Admin\AppData\Local\Temp\9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19.exe
2⤵
PID:4124

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4124-147-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-156-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-161-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-160-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-148-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-159-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-140-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-149-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-143-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-144-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-145-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-146-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-158-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-157-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-141-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-152-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-153-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-154-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-155-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4776-134-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/4776-137-0x0000000005A10000-0x0000000005A1A000-memory.dmp

Filesize
40KB

Download
memory/4776-135-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/4776-138-0x00000000075D0000-0x00000000075F2000-memory.dmp

Filesize
136KB

Download
memory/4776-136-0x0000000005B80000-0x0000000005B90000-memory.dmp

Filesize
64KB

Download
memory/4776-133-0x0000000000E40000-0x0000000000FCE000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads