remcos | 4482f59bbcaf10e39ee7a2ebf3272b45b00470a3e4827c9dd63b66a0ffd4c559

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 12:02

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General

Target

Quotation.exe
Size

1.4MB
MD5

1e006059f3779403444376d213c89e77
SHA1

c9e293129de50f5f8f7fae3cd75c7d726c8ed18a
SHA256

bb6203484b80acc69bffa9a963f3f661d3d02347f3189b7a2ef290ca48608005
SHA512

293304ec52f1ad6e7c424c2d8403702ebefcc92929401b7f83795df0597406df084275933b7ab2fa2778a54372e08be6603ca1a474e46b51430542dac2a6526b
SSDEEP

24576:yqDEvCTbMWu7rQYlBQcBiT6rprG8aSmJAxSoV9m3E2A/:yTvC/MTQYxsWR7aSDSLE2

Score

10^/10

remcos ptr discovery rat

Malware Config

Extracted

Family

remcos

Botnet

PTR

profonudcommrce.com:30902

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
chrome-LVLUXQ
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.vbs	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
3340	chrome.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0002000000022d12-14.dat	autoit_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	Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3396	Quotation.exe
3396	Quotation.exe
3340	chrome.exe
3340	chrome.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3396	Quotation.exe
3396	Quotation.exe
3340	chrome.exe
3340	chrome.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 3340	3396	Quotation.exe	87
PID 3396 wrote to memory of 3340	3396	Quotation.exe	87
PID 3396 wrote to memory of 3340	3396	Quotation.exe	87

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\directory\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
bbfcc0b517121ed1642bfec5b7266b77

SHA1
f6c74522bcf3be488cbb468436cf812ab80ac09e

SHA256
66cc08ff79a04f97ff077e7076049b0227cd9e5a405cd2d5013503201bacc6bc

SHA512
f489c91b2b9ee39766142e61cd41c266873e7707c260ad4d5c1480cef6f461f82f7c18155fab3568ec2a398ede4d655880007e0602ecea0b995c832e2fe61123

Download Submit
C:\Users\Admin\AppData\Local\Temp\caulds

Filesize
84KB

MD5
73b52971e55ea55fc6fca6ff9f26e6e0

SHA1
2d4ad4dad7baa519ff032eeeba2969d5a0bcb18d

SHA256
3e257b674e8d3eb8686c58d17683ad669c8a040f39b5fd4baf96da9314b0af34

SHA512
c210cb16606775297b150ed09beb90285c21d2b05e4a7a86e54525c2589cff9c0ec29f8519c1a1fc8dabeea1ed59af9d76423888d0e0133eb001e706d46f2f9c

Download Submit
C:\Users\Admin\AppData\Local\directory\chrome.exe

Filesize
1.4MB

MD5
1e006059f3779403444376d213c89e77

SHA1
c9e293129de50f5f8f7fae3cd75c7d726c8ed18a

SHA256
bb6203484b80acc69bffa9a963f3f661d3d02347f3189b7a2ef290ca48608005

SHA512
293304ec52f1ad6e7c424c2d8403702ebefcc92929401b7f83795df0597406df084275933b7ab2fa2778a54372e08be6603ca1a474e46b51430542dac2a6526b

Download Submit
memory/3340-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3340-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3396-11-0x0000000000BB0000-0x0000000000BB4000-memory.dmp

Filesize
16KB

Download