remcos | 909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768

General

Target

909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe
Size

864KB
MD5

1a0d7a2a1e9ef04c516c7ac650ba0593
SHA1

5539262df6253bb9958b115deb03147286e2e9f6
SHA256

909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768
SHA512

2e20945c03181fbad13be970dc32824d339686c6a63fe41cdc934dc7823c87890521260d18829c0c2a03f2a83b684dfe54e2a5edd0088036e2c18a41ba3f73c6
SSDEEP

12288:9RYME1O4s1ZQwyyUkb7Mb0ERfd31PS0aqqNNibhvFChjELzjAG+YFKxLJErKpfa:MrcZtUI7MQCF31PUnYvFClshCNEaa

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

91.214.78.17:2404

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-MF7K1V
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) 24 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1328-12-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1328-11-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1328-10-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1328-9-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1328-8-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-39-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-40-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-41-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-46-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-43-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-47-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-52-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-53-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-54-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-59-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-60-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-66-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-67-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-72-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-73-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-78-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-80-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-85-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2848-86-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2020-4-0x000000001AF20000-0x000000001AFF2000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

Processes:

909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe

description	pid	process	target process
PID 2020 set thread context of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe

description pid process

Token: SeDebugPrivilege 2020 909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

wmplayer.exe

pid process

2848 wmplayer.exe

description	pid	process
Token: SeDebugPrivilege	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe

pid	process
2848	wmplayer.exe

Suspicious use of WriteProcessMemory 55 IoCs

Processes:

909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe

description	pid	process	target process
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 1328	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	cmd.exe
PID 2020 wrote to memory of 3036	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	csc.exe
PID 2020 wrote to memory of 3036	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	csc.exe
PID 2020 wrote to memory of 3036	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	csc.exe
PID 2020 wrote to memory of 3036	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	csc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2612	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	calc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2664	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	vbc.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2848	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2868	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2868	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2868	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe
PID 2020 wrote to memory of 2868	2020	909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe	wmplayer.exe

C:\Users\Admin\AppData\Local\Temp\909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe
"C:\Users\Admin\AppData\Local\Temp\909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
2⤵
PID:1328

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
2⤵
PID:3036

C:\Windows\System32\calc.exe
"C:\Windows\System32\calc.exe"
2⤵
PID:2612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:2664

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2848

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
2⤵
PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
62f4de9ce5206c19aa300da799445b03

SHA1
a554a83f417e822b86e8d088542c7e2b12b2fa0c

SHA256
b6b1b686f347d8d63782580b9bcc20af60465d74ab89361143b8fe82f181cbb1

SHA512
e6c7b4d9a564796fe38c46a434668ea11cb796fd2a5930aeaaa8ada965b259e15aa20b47a93d2536644903bbb9de93fe37d09bcadcfea16a0bf436ecd7a70bc8

Download Submit
memory/1328-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-42-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp

Filesize
9.9MB

Download
memory/2020-2-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp

Filesize
9.9MB

Download
memory/2020-1-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/2020-4-0x000000001AF20000-0x000000001AFF2000-memory.dmp

Filesize
840KB

Download
memory/2020-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2020-0-0x000007FEF5373000-0x000007FEF5374000-memory.dmp

Filesize
4KB

Download
memory/2848-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads