remcos | 00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 02:01

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General

Target

00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe
Size

1.0MB
MD5

b29b16ebb9b0e72685abcb3d1bb10ecb
SHA1

0447f64739d8b3ff0f1eaa9f8a33ac4bf5a83b9e
SHA256

00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9
SHA512

11caef5f251c76848cb02b9c7a4a4bd070fabcca11b5dc5b65e8e4c74b3ac1618fd775712a4a839324713d538d935dc6afc9767c2990bed1736448cd43d1419c
SSDEEP

24576:nEFEYFTBWob0zYtxuPjwx6EEsRId90km:EFxFISxUwDRE9T

Score

10^/10

remcos 8846455 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

8846455

windowsoctarem.duckdns.org:56892

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
4765-HH3V0S
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
Remcos family
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
1952	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34

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	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.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	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.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
2404	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1952	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1952	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	30
PID 2444 wrote to memory of 1952	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	30
PID 2444 wrote to memory of 1952	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	30
PID 2444 wrote to memory of 1952	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	30
PID 2444 wrote to memory of 2404	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	32
PID 2444 wrote to memory of 2404	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	32
PID 2444 wrote to memory of 2404	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	32
PID 2444 wrote to memory of 2404	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	32
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34
PID 2444 wrote to memory of 2232	2444	00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe	34

C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe
"C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zkCXHdkRhSWE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkCXHdkRhSWE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD24D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2404
- C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe
  "C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232

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\tmpD24D.tmp

Filesize
1KB

MD5
89547022b49a39591e197390901b4773

SHA1
fc0c9e9898df6ef6c944722fc599c36b361659d8

SHA256
edbf096afd164bfe537f775c9418c401e0c5efc71b9f6a26373918457ac528e4

SHA512
fa7058d980656d6d396b2c06c27125ba5ce6814679460f682a3d093f8045716f023ff41496596351540325dc7d90ce7ce6b7a0dc712030f95dc859b4493bda7c

Download Submit
memory/2232-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2232-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2232-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2444-6-0x0000000005A80000-0x0000000005B3E000-memory.dmp

Filesize
760KB

Download
memory/2444-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2444-3-0x00000000009B0000-0x00000000009C8000-memory.dmp

Filesize
96KB

Download
memory/2444-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-1-0x0000000001270000-0x000000000137C000-memory.dmp

Filesize
1.0MB

Download
memory/2444-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2444-31-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download