remcos | 2e13bece27fe3dab7ef5172ad390077704f0c31778d27628a4b7ebeca01ced06

General

Target

ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe
Size

926KB
MD5

5d8e15f3fdbd7a70346b8094dda2eb58
SHA1

a5f71868526c7cecfef7ee34ad095b7ae7e381ab
SHA256

ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40
SHA512

fc97903e551219f63af9c874ecad2a4af6ec8855fb54cbbb5b0926d9a80ca9599d7e51e4d0580cb071397135f0b8b9e005e724c00106a16c3e2ef67d8074b433
SSDEEP

24576:hjj0ytqrALi4J+O/kzhS3tZcD+u2woeKEl:xwytqrci44O/kVizg+ub9l

Score

10^/10

remcos 3456789 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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
765-8M14I5
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

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
2068	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2208 set thread context of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.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	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.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	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.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
2924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2068	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2068	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	30
PID 2208 wrote to memory of 2068	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	30
PID 2208 wrote to memory of 2068	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	30
PID 2208 wrote to memory of 2068	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	30
PID 2208 wrote to memory of 2924	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	32
PID 2208 wrote to memory of 2924	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	32
PID 2208 wrote to memory of 2924	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	32
PID 2208 wrote to memory of 2924	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	32
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34
PID 2208 wrote to memory of 2600	2208	ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe	34

C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe
"C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\snlrFEGONNdR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2068
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snlrFEGONNdR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA7E3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2924
- C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe
  "C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600

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\tmpA7E3.tmp

Filesize
1KB

MD5
84b584cf4e958b764eec489ca3d39fdf

SHA1
c0718665c93872a2b8755a4aeff3253745fe4f5d

SHA256
e664dc41e439aa8a4b0bc40811d0f03b1fb81115f6c9d1104288ecd8fb0a040d

SHA512
59e4f02dff5f3bbbae500df143d976556dc791045f669a9b1d940516190fd95acfd5dc76f3c49c078a755891159fac378781ccac923a5706b6e8bdc90ed73357

Download Submit
memory/2208-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2208-1-0x0000000000C00000-0x0000000000CEE000-memory.dmp

Filesize
952KB

Download
memory/2208-2-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-3-0x0000000000560000-0x0000000000578000-memory.dmp

Filesize
96KB

Download
memory/2208-4-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2208-5-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-6-0x0000000005970000-0x0000000005A2E000-memory.dmp

Filesize
760KB

Download
memory/2208-33-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2600-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads