remcos | cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b

General

Target

cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
Size

902KB
MD5

171f8a0f5bba2ba4fab8d479c65f6651
SHA1

a7e8546d3b1dc9482e5800497eb482518efd4427
SHA256

cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b
SHA512

3e113f1f1afd56c9ba8ae44f24480f89a60db7f62432cfbf9b77320747f48881ac81bfa692c18692a92906372de70bd8538eea4a88c253fa7f4a6b67d4b5915c
SSDEEP

24576:TlFCHP+tB+XNpYpKwiQgAG5FgfsmW1bp9xDe6:pFEtXopK1QVG0fUpT

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

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-41EVS0
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2632	powershell.exe
2668	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2468 set thread context of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35

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 5 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	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
2668	powershell.exe
2632	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2632	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	29
PID 2468 wrote to memory of 2632	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	29
PID 2468 wrote to memory of 2632	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	29
PID 2468 wrote to memory of 2632	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	29
PID 2468 wrote to memory of 2668	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	31
PID 2468 wrote to memory of 2668	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	31
PID 2468 wrote to memory of 2668	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	31
PID 2468 wrote to memory of 2668	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	31
PID 2468 wrote to memory of 2756	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	33
PID 2468 wrote to memory of 2756	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	33
PID 2468 wrote to memory of 2756	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	33
PID 2468 wrote to memory of 2756	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	33
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35
PID 2468 wrote to memory of 2596	2468	cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe	35

C:\Users\Admin\AppData\Local\Temp\cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe
"C:\Users\Admin\AppData\Local\Temp\cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468
- 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\cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YzFfWxw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YzFfWxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4875.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2756
- 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:2596

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\tmp4875.tmp

Filesize
1KB

MD5
9b783f66e90b1c8f47836bcd98adf0dc

SHA1
eaee412b03bdb2ca178d22339575a8446665dda8

SHA256
8bd409df9a72a354a6264f265eabf510b15a9b627aad6f721f412305722754a7

SHA512
04041d78ccc5bd810180a062cf35e17b4cb22545b209ed0d3e15dbd5966fe93d8988c0551d418ed405abd76be26a4bb858c3d48ac8db48a3baac78080f7bf699

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
e6e7b663b8dd7de66758d4d9d5f4a54f

SHA1
6c3b4f75106120b05f3b96903e383d26fa5444a3

SHA256
441ca7952043330d05d4479e378712648bfc00e09cc995556c193520e40244fe

SHA512
ad4755910248ec8871e9eccd38b75e190f9165609e884aee8041e9dae091c90f04ca62ecdc70c1218a9e8040857b003bffb0ded2f58364e2e8ca6cb48cb9e2bd

Download Submit
memory/2468-0-0x000000007471E000-0x000000007471F000-memory.dmp

Filesize
4KB

Download
memory/2468-1-0x0000000000CC0000-0x0000000000DA8000-memory.dmp

Filesize
928KB

Download
memory/2468-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-3-0x00000000006E0000-0x00000000006F2000-memory.dmp

Filesize
72KB

Download
memory/2468-4-0x000000007471E000-0x000000007471F000-memory.dmp

Filesize
4KB

Download
memory/2468-5-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-6-0x00000000053F0000-0x00000000054AE000-memory.dmp

Filesize
760KB

Download
memory/2468-40-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-35-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads