remcos | 099f8255b276489033ff65e05ce2ccb728cec9494056aa35f5af8112c92d1906

General

Target

Instrument lists , coporate info and po sample drawing.exe
Size

1.1MB
MD5

ad27097cd76b134d0d2d1509b5c3e3a6
SHA1

5eb2ba9bdeecad9c6ab8c762edf499bab2222b40
SHA256

3e4da255f51276918b7cdc4e47fa529e7ef5e6f5a2107b4932cf767ed82ca43f
SHA512

8e49faa5ad48af9d1cfc4081a07daf380a659ff236999fd0110d85fa9f09db0358cbeba9c90bf88b18b3083ed90298f6604cbf3dfe45e818a53e83d3880881a5
SSDEEP

24576:bQ3AgyE7jZH6EPfywOXd7e+AbCr9xeNdcrOYLaUa:bQQCjZH6EPfyJXdatbyazcCY+Ua

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.humptex.store:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
edfghjk
mouse_option
false
mutex
Rmc-8D13LS
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
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

Processes:

powershell.exepowershell.exe

pid process

2876 powershell.exe
2788 powershell.exe

pid	process
2876	powershell.exe
2788	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Instrument lists , coporate info and po sample drawing.exe

description	pid	process	target process
PID 2744 set thread context of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe

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

Processes:

Instrument lists , coporate info and po sample drawing.exepowershell.exepowershell.exeschtasks.exeInstrument lists , coporate info and po sample drawing.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Instrument lists , coporate info and po sample drawing.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	Instrument lists , coporate info and po sample drawing.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

Processes:

schtasks.exe

pid process

2828 schtasks.exe

pid	process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Instrument lists , coporate info and po sample drawing.exepowershell.exepowershell.exe

pid	process
2744	Instrument lists , coporate info and po sample drawing.exe
2744	Instrument lists , coporate info and po sample drawing.exe
2788	powershell.exe
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Instrument lists , coporate info and po sample drawing.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2744	Instrument lists , coporate info and po sample drawing.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Instrument lists , coporate info and po sample drawing.exe

pid process

2704 Instrument lists , coporate info and po sample drawing.exe

pid	process
2704	Instrument lists , coporate info and po sample drawing.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Instrument lists , coporate info and po sample drawing.exe

description	pid	process	target process
PID 2744 wrote to memory of 2788	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2788	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2788	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2788	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2876	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2876	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2876	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2876	2744	Instrument lists , coporate info and po sample drawing.exe	powershell.exe
PID 2744 wrote to memory of 2828	2744	Instrument lists , coporate info and po sample drawing.exe	schtasks.exe
PID 2744 wrote to memory of 2828	2744	Instrument lists , coporate info and po sample drawing.exe	schtasks.exe
PID 2744 wrote to memory of 2828	2744	Instrument lists , coporate info and po sample drawing.exe	schtasks.exe
PID 2744 wrote to memory of 2828	2744	Instrument lists , coporate info and po sample drawing.exe	schtasks.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe
PID 2744 wrote to memory of 2704	2744	Instrument lists , coporate info and po sample drawing.exe	Instrument lists , coporate info and po sample drawing.exe

C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe
"C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744
- 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\Instrument lists , coporate info and po sample drawing.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIjBkznYJBuTm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIjBkznYJBuTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB80.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe
  "C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2704

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:\ProgramData\edfghjk\logs.dat

Filesize
144B

MD5
32a8de9edca4b35cdcbf0843cd6950f7

SHA1
6d08926890624f6da5eaaf10bf8b1d4b5c2811ec

SHA256
0cd03391e2012a7d0528db6fba376ef318843cb595228b66c269d67b4193c9b2

SHA512
7c5ea211bc292b9b35a0fb11915eb5e6fe2d9d536be5a6c9dae8567edffe02a96796763423356d8e50094cbd595f023ab9e5cbef394354d42c69b3a89286cf78

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDB80.tmp

Filesize
1KB

MD5
f38d9efb5817c693ede6c06f1f1d5d8d

SHA1
88713ec07a115e31a57c00109aac9456c6779424

SHA256
fe8b6d527cdb039d4456cc925dd34ee91760aae5be608cfd36c41b86d381ce1b

SHA512
84f703c64af856b99d92a4587c074a4a084b8fe9a3b31405855e3fc8024e0b0e16d5920ed03532e24498e1ad697ed74a30e835736bdb6cd06f080448eeddfc1f

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

Filesize
7KB

MD5
00a6ecad1754aae993eaa6416abc40e3

SHA1
f41c719546ff9a6ea0ea44d263cca63aa804c637

SHA256
7e13dadd1787e8aac431e9566a29d8475032887b6b18b275f7b22c77bec874b1

SHA512
633487e46b3b308f79bda4b22f6cc14112c0185b96b2a3bbca11c52a74ece0b0377e7615a6dc77b2527b19107cd3836e63729003d81931e3c1df65822aa187bf

Download Submit
memory/2704-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2744-4-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2744-3-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2744-38-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-6-0x0000000004880000-0x0000000004944000-memory.dmp

Filesize
784KB

Download
memory/2744-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-1-0x0000000000C20000-0x0000000000D42000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads