remcos | 9783fe3a07f7fb9fcb23c01d4ab9c6ea17f94c5336fd2233134b9bc6bf7d1e36

Analysis

max time kernel
150s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 05:55

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General

Target

Quotation.exe
Size

1.4MB
MD5

5e600b594c0110f0cc817b9f60f5fb92
SHA1

da93dc76c700609bf06d9356f6191ffb95a51298
SHA256

9783fe3a07f7fb9fcb23c01d4ab9c6ea17f94c5336fd2233134b9bc6bf7d1e36
SHA512

ab46eaa86016ab1b65dc116510b4c85bdcf16e686e6b6611308fe62ed39611f0a73eb7c2d2fa24668e226a8dc117626b13f93fd007906d18aa3f815982a7f775
SSDEEP

24576:ZqDEvCTbMWu7rQYlBQcBiT6rprG8aK0dPJZKSbOttPPZZm9TkC3fm:ZTvC/MTQYxsWR7aK0dPJZKSbOLITkC3

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

23.95.235.18:2557

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-E0JKXE
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

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	Quotation.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4060	Quotation.exe
4060	Quotation.exe
2152	Quotation.exe
2152	Quotation.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4060	Quotation.exe
4060	Quotation.exe
2152	Quotation.exe
2152	Quotation.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 2152	4060	Quotation.exe	87
PID 4060 wrote to memory of 2152	4060	Quotation.exe	87
PID 4060 wrote to memory of 2152	4060	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:4060
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2152

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\electicism

Filesize
84KB

MD5
7ebf6078e8f3331829e33ab45284386e

SHA1
658ae7e72e7e2ac2ca60de2ce44d990e208ddc23

SHA256
6253784150c31e0f19e32624bbe3a376deab3502adb4721a31dc9ebd27a8b6f5

SHA512
644a865475879d19075371880cc5912ca8382b29a93ce3fa34520bc20417d34dab9a6aa433acc5bb21e0e019753075fac600fca8168fea73a281ffb65e891770

Download Submit
memory/2152-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2152-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4060-11-0x00000000031A0000-0x00000000031A4000-memory.dmp

Filesize
16KB

Download