remcos | e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc

General

Target

new sample order.scr
Size

1.2MB
MD5

c8bf4105a84397474e1a5b351f2a7879
SHA1

522757ccc1279c4eccf0164a75d140457ba68f90
SHA256

e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc
SHA512

0cbe98011bcf8fcdd50f6cdb81d84172db840767cc5e3185a184807a04f84c9e9262c7b15c2936c51c1e2d52448b8c00e105e5fa5c16669bdd0f09dc0b95a805
SSDEEP

12288:527kW06R/4ventCvUR+YGSXHE8rYd8MOimm830PVV+kLA4IAW9zoSDF9nvIo3S9L:qp4vetCvUaLwPm80PpIV9cSbIOKOMF

Score

10^/10

remcos ip-remcos rat

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

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-JS00ZN
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:

new sample order.scr

description pid process target process

PID 1956 set thread context of 756 1956 new sample order.scr new sample order.scr
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

820 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1420 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1420 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

new sample order.scr

pid process

756 new sample order.scr

description	pid	process	target process
PID 1956 set thread context of 756	1956	new sample order.scr	new sample order.scr

pid	process
820	schtasks.exe

pid	process
1420	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1420	powershell.exe

pid	process
756	new sample order.scr

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

new sample order.scr

description	pid	process	target process
PID 1956 wrote to memory of 1420	1956	new sample order.scr	powershell.exe
PID 1956 wrote to memory of 1420	1956	new sample order.scr	powershell.exe
PID 1956 wrote to memory of 1420	1956	new sample order.scr	powershell.exe
PID 1956 wrote to memory of 1420	1956	new sample order.scr	powershell.exe
PID 1956 wrote to memory of 820	1956	new sample order.scr	schtasks.exe
PID 1956 wrote to memory of 820	1956	new sample order.scr	schtasks.exe
PID 1956 wrote to memory of 820	1956	new sample order.scr	schtasks.exe
PID 1956 wrote to memory of 820	1956	new sample order.scr	schtasks.exe
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr
PID 1956 wrote to memory of 756	1956	new sample order.scr	new sample order.scr

C:\Users\Admin\AppData\Local\Temp\new sample order.scr
"C:\Users\Admin\AppData\Local\Temp\new sample order.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kxyzbuoXXJJ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1420

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxyzbuoXXJJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB961.tmp"
2⤵
- Creates scheduled task(s)
PID:820

C:\Users\Admin\AppData\Local\Temp\new sample order.scr
"C:\Users\Admin\AppData\Local\Temp\new sample order.scr"
2⤵
- Suspicious use of SetWindowsHookEx
PID:756

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\tmpB961.tmp
Filesize
1KB

MD5
cfd15f68947eaa687046d82d73fc65e5

SHA1
a397983150280813034c86a41a695c8ca169261f

SHA256
acd2bc84e9500b4a851ece9b4df8e291da4f030aedde71c4bf2ba32f27a52f1c

SHA512
3322a3d94ebce0394e0e5f0e28a287c514288f76a00aa06967bd0855322743841dd69999d42f8c670688cf08d951e5f318a6292d71f2a2b53f029d69ecc46d19

Download Submit
memory/756-77-0x00000000004327A4-mapping.dmp

Download
memory/756-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/756-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/820-60-0x0000000000000000-mapping.dmp

Download
memory/1420-81-0x000000006E3E0000-0x000000006E98B000-memory.dmp

Filesize
5.7MB

Download
memory/1420-59-0x0000000000000000-mapping.dmp

Download
memory/1420-83-0x000000006E3E0000-0x000000006E98B000-memory.dmp

Filesize
5.7MB

Download
memory/1956-57-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/1956-63-0x00000000055C0000-0x000000000563C000-memory.dmp

Filesize
496KB

Download
memory/1956-55-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/1956-56-0x0000000000710000-0x000000000072C000-memory.dmp

Filesize
112KB

Download
memory/1956-54-0x0000000000EE0000-0x000000000101A000-memory.dmp

Filesize
1.2MB

Download
memory/1956-58-0x0000000005990000-0x0000000005A62000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads