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
2336	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.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 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
2704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2336	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2336	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	31
PID 2544 wrote to memory of 2336	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	31
PID 2544 wrote to memory of 2336	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	31
PID 2544 wrote to memory of 2336	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	31
PID 2544 wrote to memory of 2704	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2544 wrote to memory of 2704	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2544 wrote to memory of 2704	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2544 wrote to memory of 2704	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	32
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35
PID 2544 wrote to memory of 2928	2544	465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe	35

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:2544
- 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:2336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OUsyxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
  "C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928

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\tmpCCB1.tmp

Filesize
1KB

MD5
bb465d560f35dc88979d1d6d851df0aa

SHA1
63a16009b9238626fba47f462b7b5bc70a0f9451

SHA256
0bbcbc775c3766c781fe7d7c7035d66bfb50c03aa033abdf26c030ba34a71036

SHA512
b0744d374440c4db4c3a15163145701d4a3e3524f2c01a7d0e9cafc105bf3dc087df2ba5458dda8ffda650b0b7e1c5e012571b9a4c908309b532cb734b6d3f13

Download Submit
memory/2544-36-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2544-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2544-3-0x0000000000930000-0x000000000094A000-memory.dmp

Filesize
104KB

Download
memory/2544-4-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2544-5-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2544-6-0x0000000000A50000-0x0000000000A5E000-memory.dmp

Filesize
56KB

Download
memory/2544-7-0x0000000004F30000-0x0000000004FEE000-memory.dmp

Filesize
760KB

Download
memory/2544-1-0x0000000000FB0000-0x0000000001096000-memory.dmp

Filesize
920KB

Download
memory/2544-2-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2928-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2928-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads