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
2688	powershell.exe
2700	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2968	2520	Confirmation Order.exe	36

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
2288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2688	powershell.exe
2700	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2700	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2688	2520	Confirmation Order.exe	30
PID 2520 wrote to memory of 2688	2520	Confirmation Order.exe	30
PID 2520 wrote to memory of 2688	2520	Confirmation Order.exe	30
PID 2520 wrote to memory of 2688	2520	Confirmation Order.exe	30
PID 2520 wrote to memory of 2700	2520	Confirmation Order.exe	32
PID 2520 wrote to memory of 2700	2520	Confirmation Order.exe	32
PID 2520 wrote to memory of 2700	2520	Confirmation Order.exe	32
PID 2520 wrote to memory of 2700	2520	Confirmation Order.exe	32
PID 2520 wrote to memory of 2288	2520	Confirmation Order.exe	34
PID 2520 wrote to memory of 2288	2520	Confirmation Order.exe	34
PID 2520 wrote to memory of 2288	2520	Confirmation Order.exe	34
PID 2520 wrote to memory of 2288	2520	Confirmation Order.exe	34
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36
PID 2520 wrote to memory of 2968	2520	Confirmation Order.exe	36

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:2520
- 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:2688
- 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:2700
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDXSeyoVzkpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8CB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2288
- 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:2968

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\tmpC8CB.tmp

Filesize
1KB

MD5
e42588a1880ed05c4e523618d1e075d3

SHA1
9690d29796255b5f970542195b82c0d053ecf904

SHA256
7aad57a698c934ffd0d95e1b4f7cbb43a26292af506dd247c70630aad9acaad8

SHA512
4cae60e10628ba522079bfa827915baed11f426fcfa529bde83c70dd5bfbc6a3a34d54e5089a0842826b270b732c4b6b6c54e355dbc2726770b5f52791afaefd

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

Filesize
7KB

MD5
c31d3d1949cc2643cc8ab33fa6c044f2

SHA1
616db98bbebfd627bebfa10b027e23d7c40182f4

SHA256
45749ab5741e87a93371ead2fdbb1eba5dc838eb8fe4d891014fa3b28341857c

SHA512
c063e5f24bf699cab46c770737b760b49d79688822189ab14a5580157d67ee4ba495e05514e45ad658541d451885153b81de8578c48355913889ef5ef7fc1866

Download Submit
memory/2520-38-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-1-0x00000000010B0000-0x0000000001196000-memory.dmp

Filesize
920KB

Download
memory/2520-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x0000000000610000-0x0000000000622000-memory.dmp

Filesize
72KB

Download
memory/2520-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-6-0x00000000058E0000-0x000000000599E000-memory.dmp

Filesize
760KB

Download
memory/2520-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2968-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads