remcos | fa2b7bf295ebf55e26e4ddeaaf8b5119b5332b3b6c184a530532d162411bc3b4

General

Target

Confirmation Order.exe
Size

892KB
MD5

3b13b07b05ea3f2084ee3c38080fffe3
SHA1

dde112544004281ad7d02b36c607bc4a258f22a6
SHA256

b93408af1dfa127e3b11d16cd92dab65f448d77fa933259c139bb0f0e6d33a75
SHA512

c09987d78d52fc94bc991b40380b6f5752f1b15139850d24ed93e9ea8ce74add4b4b477493fb8c0a6980de9e14fb511123e2571622c3c5a46f4402f09d037fe0
SSDEEP

12288:5Eqv8RratEshTEMAiqoWpVvfS4D36FUOJT02id9IV/SxjTWAY+acgp8bQbQk:J8OZTEMAifWTvfuL42id94cgGIQ

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
2084	powershell.exe
2216	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 3008	1976	Confirmation Order.exe	37

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	Confirmation Order.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	Confirmation Order.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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2216	powershell.exe
2084	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	powershell.exe
Token: SeDebugPrivilege	2216	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2084	1976	Confirmation Order.exe	31
PID 1976 wrote to memory of 2084	1976	Confirmation Order.exe	31
PID 1976 wrote to memory of 2084	1976	Confirmation Order.exe	31
PID 1976 wrote to memory of 2084	1976	Confirmation Order.exe	31
PID 1976 wrote to memory of 2216	1976	Confirmation Order.exe	33
PID 1976 wrote to memory of 2216	1976	Confirmation Order.exe	33
PID 1976 wrote to memory of 2216	1976	Confirmation Order.exe	33
PID 1976 wrote to memory of 2216	1976	Confirmation Order.exe	33
PID 1976 wrote to memory of 2768	1976	Confirmation Order.exe	35
PID 1976 wrote to memory of 2768	1976	Confirmation Order.exe	35
PID 1976 wrote to memory of 2768	1976	Confirmation Order.exe	35
PID 1976 wrote to memory of 2768	1976	Confirmation Order.exe	35
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37
PID 1976 wrote to memory of 3008	1976	Confirmation Order.exe	37

C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- 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\Confirmation Order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bDXSeyoVzkpA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2216
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDXSeyoVzkpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF586.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008

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\tmpF586.tmp

Filesize
1KB

MD5
6af40c89496a6f2e806724d57337a9ec

SHA1
df4075a7add36abf9bde48cd84a513c8cf16bbd8

SHA256
30970c74356d72d28b28ea9d3e09652f5fc8852315a90d3a7871b2d800958c9b

SHA512
423c5bd7727b5594c2a870da1f8525797fe708a7d655ca239b5d44b2e5fef1f5ef1ec16c20a43a819fcaf70d452fe08bbe0660852825674d41113176e7c42fa7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MKK1IGB0I4ZWGV4C38GV.temp

Filesize
7KB

MD5
07b28821ed9e48959a0ca1309063f4bf

SHA1
ec87940862204d0ddbfe5037e84da507467324c2

SHA256
fa57873118e9f4962329526c74fd7e1f320e8eb0128287be78726572aebde02e

SHA512
5c17cc4aa94a7cb1e79691a3f59350ea10f80bf36ca96c39d92fcdda827ad2f29c40ee9c9cffde7819a9b67406e03bccea6a90eae6da396ee5faeef02f6c13f2

Download Submit
memory/1976-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/1976-1-0x0000000000BF0000-0x0000000000CD6000-memory.dmp

Filesize
920KB

Download
memory/1976-2-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1976-3-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/1976-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/1976-5-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1976-6-0x0000000005680000-0x000000000573E000-memory.dmp

Filesize
760KB

Download
memory/1976-40-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3008-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads