remcos | 206b328955094948dde0163fc226ac292906788fb4e9d8b941963383bd4a84fd

Resubmissions

05-10-2024 12:24

241005-plgwtsxerh 10

25-09-2024 13:15

240925-qhn2eazhmh 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 12:24

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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

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
2836	powershell.exe
2852	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 2096	2392	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	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
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
2256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2852	powershell.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2836	2392	Confirmation Order.exe	31
PID 2392 wrote to memory of 2836	2392	Confirmation Order.exe	31
PID 2392 wrote to memory of 2836	2392	Confirmation Order.exe	31
PID 2392 wrote to memory of 2836	2392	Confirmation Order.exe	31
PID 2392 wrote to memory of 2852	2392	Confirmation Order.exe	33
PID 2392 wrote to memory of 2852	2392	Confirmation Order.exe	33
PID 2392 wrote to memory of 2852	2392	Confirmation Order.exe	33
PID 2392 wrote to memory of 2852	2392	Confirmation Order.exe	33
PID 2392 wrote to memory of 2256	2392	Confirmation Order.exe	35
PID 2392 wrote to memory of 2256	2392	Confirmation Order.exe	35
PID 2392 wrote to memory of 2256	2392	Confirmation Order.exe	35
PID 2392 wrote to memory of 2256	2392	Confirmation Order.exe	35
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	Confirmation Order.exe	37
PID 2392 wrote to memory of 2096	2392	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:2392
- 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:2836
- 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:2852
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDXSeyoVzkpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B0F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2256
- 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:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B0F.tmp

Filesize
1KB

MD5
1c7cb299eac960c0efc46935210e0d49

SHA1
0451707532c53062dff58bc21573d7c20e759f99

SHA256
f3ecc90c219df68f60765cfbe89d212a4cf6c687f47717f11aabd913a0ad1c95

SHA512
b69bad25915adc70277433de94de83551194226243d54d7226f3f8d8db951e81d422e899747e13d4d8e196b36ac8431e7fa34feb7bce56e801413a8ba322681c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9GOMKJFCLA2GO9EV57PR.temp

Filesize
7KB

MD5
78f1c80cbb93e6e78f3c8519cac29d5f

SHA1
1a8c058c65e03596b4d85783758b2d70bec428fe

SHA256
ccfdb0b1dc1668e1dedbe528e6192d70256379c78f43d6917702e3705f106cf7

SHA512
111d4f245f634583b66f095848afa78a8fe81376fe962337e085eab47b45b3889714bcb12768a6e6aab8d0721d91e6ce0de9fa66bda0c42facc1a0691c1f1301

Download Submit
memory/2096-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-3-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/2392-6-0x0000000005940000-0x00000000059FE000-memory.dmp

Filesize
760KB

Download
memory/2392-5-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-4-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2392-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-1-0x0000000001370000-0x0000000001456000-memory.dmp

Filesize
920KB

Download
memory/2392-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2392-40-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download