remcos | 3d34565abf55fd4d5963b1b1f2cf5590468b716b83ea67ba5231457f9153bc38

General

Target

be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe
Size

1.0MB
MD5

065a6053492ecc989755413d4b9cffea
SHA1

9955cde6556837bc877e596c5b206df39d060a00
SHA256

be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df
SHA512

1185623940e192747b0c794c3e63c56ad6f941dca6cccf5db2cbf57ccf3cca6b3ba49aa9922dfde87c82b69920c48222c249b70e13915e542dfb6e11072c9588
SSDEEP

24576:60u2uOCjadxmISCQDJ8wovaxTFfJDe4Pu2:6euCfLQ5xTFd5

Score

10^/10

remcos elvis discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

elvis

C2

107.173.4.16:2560

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-T6WK9E
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
Remcos family
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
2876	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1852 set thread context of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34

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 4 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	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2876	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	30
PID 1852 wrote to memory of 2876	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	30
PID 1852 wrote to memory of 2876	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	30
PID 1852 wrote to memory of 2876	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	30
PID 1852 wrote to memory of 2656	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	32
PID 1852 wrote to memory of 2656	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	32
PID 1852 wrote to memory of 2656	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	32
PID 1852 wrote to memory of 2656	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	32
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34
PID 1852 wrote to memory of 1856	1852	be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe	34

C:\Users\Admin\AppData\Local\Temp\be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe
"C:\Users\Admin\AppData\Local\Temp\be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DcBNSgyxoJFip.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DcBNSgyxoJFip" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA5A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBA5A.tmp

Filesize
1KB

MD5
f288d68526e4b2a2569766913351fd2e

SHA1
f4d482be3a69d544b3158938fe7cab33dde6ab0a

SHA256
f51173d7debf20294754d1b1fe12e764c1756f716c6989cc7c4991325845524e

SHA512
ff26d918377fe5b5c5edba8c6a21712d4da2e833c30230c726f3f5dd077e2f45841803f60b3c7b7ee41526d79a28150781f99463a36dc4ad0dd6b49198eb35db

Download Submit
memory/1852-29-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/1852-1-0x0000000000C80000-0x0000000000D8C000-memory.dmp

Filesize
1.0MB

Download
memory/1852-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/1852-3-0x0000000000630000-0x0000000000656000-memory.dmp

Filesize
152KB

Download
memory/1852-4-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/1852-5-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/1852-6-0x0000000000A00000-0x0000000000AC4000-memory.dmp

Filesize
784KB

Download
memory/1852-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/1856-26-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1856-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1856-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads