remcos | 0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 01:00

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General

Target

0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
Size

987KB
MD5

a1a78fc315e61f1397598dfd5c956e66
SHA1

ef2f21dce062e7e4dd39028d035ef5ed48dcdff9
SHA256

0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585
SHA512

afd7154b2c7d570bbeeeda5fbaddf3e00c04a6c7bef65cf6068301ce041754ee110e3839b1bcdee0b088fa67af8790fac6a7d759d1932e20df50012824d99240
SSDEEP

12288:pLMC3+OhNsjfNNUHUVyUDuFVdP5fzIhvBXQHvmx7rOYzImcGduwKktnFO6JK1+DH:xOpiSzDuFlrCpgHvmVEmFdXHJ648T

Score

10^/10

remcos zynova discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

zynova

cloudsave.duckdns.org:14645

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-CJ3HJ1
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2908	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
2908	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
Token: SeDebugPrivilege	2908	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2908	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	30
PID 1688 wrote to memory of 2908	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	30
PID 1688 wrote to memory of 2908	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	30
PID 1688 wrote to memory of 2908	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	30
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32
PID 1688 wrote to memory of 2148	1688	0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe	32

C:\Users\Admin\AppData\Local\Temp\0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
"C:\Users\Admin\AppData\Local\Temp\0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2908
- C:\Users\Admin\AppData\Local\Temp\0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe
  "C:\Users\Admin\AppData\Local\Temp\0009bc8a2fe8da5d1544b9685e1628ee13e298e821b80d426998f47c8fa96585.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-30-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/1688-1-0x0000000000DA0000-0x0000000000E9C000-memory.dmp

Filesize
1008KB

Download
memory/1688-2-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/1688-3-0x0000000000C30000-0x0000000000C4A000-memory.dmp

Filesize
104KB

Download
memory/1688-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/1688-5-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/1688-6-0x0000000005AD0000-0x0000000005B90000-memory.dmp

Filesize
768KB

Download
memory/1688-0-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/2148-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2148-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2148-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download