remcos | 2ea638f1d8fa4feb6d800c3d4747fe663e5748a1d7d90bd14682d5d2625c56ca

Analysis

max time kernel
119s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 21:48

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General

Target

20fe62c4757929b72a94d02b52e6e660N.exe
Size

2.2MB
MD5

20fe62c4757929b72a94d02b52e6e660
SHA1

2fd7cc66cb46ad7044ec54a723445818e2c05c79
SHA256

2ea638f1d8fa4feb6d800c3d4747fe663e5748a1d7d90bd14682d5d2625c56ca
SHA512

fda4920c40ca0090195419747e65a25496559eac446f5914071f125c62e487d8b28416ac094d29f4912ff1be91e8ce705a963f4a6305cad9eddee9756fede38e
SSDEEP

49152:6VgFDPYe1IlSiuncDbRKfoAsPFKFp/be0ThvT0boMJsV5ygLGlueqePjS:6VgFDAynYbVAsPF6NpT0sMu2gCzu

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

127.0.0.1:2404

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-52SPIJ
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cisco = "C:\\Users\\Admin\\Pictures\\CiscoSecure\\SecureClientUpdater.exe"	20fe62c4757929b72a94d02b52e6e660N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	20fe62c4757929b72a94d02b52e6e660N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20fe62c4757929b72a94d02b52e6e660N.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
316	20fe62c4757929b72a94d02b52e6e660N.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
316	20fe62c4757929b72a94d02b52e6e660N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30
PID 2712 wrote to memory of 316	2712	20fe62c4757929b72a94d02b52e6e660N.exe	30

C:\Users\Admin\AppData\Local\Temp\20fe62c4757929b72a94d02b52e6e660N.exe
"C:\Users\Admin\AppData\Local\Temp\20fe62c4757929b72a94d02b52e6e660N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\20fe62c4757929b72a94d02b52e6e660N.exe
  "C:\Users\Admin\AppData\Local\Temp\20fe62c4757929b72a94d02b52e6e660N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/316-38-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-55-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/316-8-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-18-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/316-12-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-70-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-69-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-68-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-67-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-66-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-65-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-21-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-39-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-19-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-22-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-23-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-64-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-63-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-25-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-26-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-27-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-28-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-29-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-30-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-40-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-32-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-33-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-34-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-35-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-36-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-37-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-62-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-20-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-31-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-41-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-42-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-43-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-44-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-45-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-46-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-47-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-48-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-49-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-50-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-51-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-52-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-53-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-54-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-16-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-56-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-57-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-58-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-59-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-60-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/316-61-0x00000000001C0000-0x0000000000235000-memory.dmp

Filesize
468KB

Download
memory/2712-1-0x0000000000418000-0x0000000000430000-memory.dmp

Filesize
96KB

Download
memory/2712-24-0x0000000000418000-0x0000000000430000-memory.dmp

Filesize
96KB

Download
memory/2712-17-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-4-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-7-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-13-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-6-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-2-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download
memory/2712-0-0x0000000000400000-0x0000000000677000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads