remcos | 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf

General

Target

465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
Size

895KB
MD5

7441688208521af2eace2cecd3872f24
SHA1

4dd23aa0e9a5f340f5a1da50c272ec7047bbece1
SHA256

465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf
SHA512

be85c5f93a32a6fa244dbffc5dbabbfe007120065a9ed48faebc337e3e8496591d58a424d6026e8312675d476329942a60205d2349b598390b8176cd033459ce
SSDEEP

24576:n2BRYbqRRw+dsXFdyA8vY+P45afP16P1f9xER:n2BRlRRxdVTIy6P1rER

Score

10^/10

remcos 5764576 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

5764576

C2

172.93.218.178:45667

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-XJJE0J
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
2648	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.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	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.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	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.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
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2648	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2648	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	30
PID 2616 wrote to memory of 2648	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	30
PID 2616 wrote to memory of 2648	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	30
PID 2616 wrote to memory of 2648	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	30
PID 2616 wrote to memory of 2192	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2616 wrote to memory of 2192	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2616 wrote to memory of 2192	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2616 wrote to memory of 2192	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34
PID 2616 wrote to memory of 2692	2616	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	34

C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
"C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OUsyxJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OUsyxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A73.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2192
- C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
  "C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2692

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\tmp1A73.tmp

Filesize
1KB

MD5
0484f69eb767b21c3c60a435083138f1

SHA1
e9490d5744ec15d8d15e8f96edb9f512e5a02cbd

SHA256
4dc24c675e590958316e3df8ed4bb094ecd0a62731f56daaaa7d294b8edadfb5

SHA512
1f73c486a38e8b68d339a8e04227580799e08aa0aee6944bd8de2fc711b0ad73e6926ea93c754385b064aaa4ad7fee2018881870a50b6fb9c9140fa48953fe1d

Download Submit
memory/2616-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2616-1-0x00000000011F0000-0x00000000012D6000-memory.dmp

Filesize
920KB

Download
memory/2616-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2616-3-0x0000000000610000-0x000000000062A000-memory.dmp

Filesize
104KB

Download
memory/2616-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2616-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2616-6-0x0000000000630000-0x000000000063E000-memory.dmp

Filesize
56KB

Download
memory/2616-7-0x0000000005060000-0x000000000511E000-memory.dmp

Filesize
760KB

Download
memory/2616-36-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2692-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2692-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads