remcos | 9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c

General

Target

9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
Size

990KB
MD5

c7c9748cbf8f2f767e9ef22dc8052074
SHA1

5ab6e24821294b4bbcab75fbeb5ef2548d8919ce
SHA256

9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c
SHA512

395f32a808271d947cea2bca8d99d3db66e98a2ce86e50d4eb4485213d22a3ca910de89f025d2fe84673a8c5c54abe608451ddb562b16499ad5851507a7a6617
SSDEEP

24576:EMuFujdARYQNt2DOzUtsfLmRUS8n98hK/WiWK5K7yVEfu:BuEj4YwPUatS8p/WiP8eVEfu

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

176.31.142.221:4377

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-G326AT
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 21 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2564-11-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-10-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-13-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-12-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-9-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-17-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-19-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-21-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-22-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-24-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-23-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-25-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-27-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-29-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-28-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-30-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-31-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-32-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-33-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-34-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2564-35-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1524-4-0x0000000000300000-0x000000000030C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Suspicious use of SetThreadContext 1 IoCs

Processes:

9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe

description	pid	process	target process
PID 1524 set thread context of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe

description	pid	process	target process
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
PID 1524 wrote to memory of 2564	1524	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe	9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe

C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
"C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1524

C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
"C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"
2⤵
PID:2564

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1524-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-0-0x0000000000970000-0x0000000000A6A000-memory.dmp

Filesize
1000KB

Download
memory/1524-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/1524-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/1524-4-0x0000000000300000-0x000000000030C000-memory.dmp

Filesize
48KB

Download
memory/1524-5-0x0000000005520000-0x00000000055E0000-memory.dmp

Filesize
768KB

Download
memory/1524-20-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2564-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads