remcos | e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 07:27

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General

Target

QUOTE.exe
Size

1.6MB
MD5

3827880ffe45d597900398f3b19f8b1e
SHA1

9382b462efa1c745dba267d3a80d6389705ad3f6
SHA256

e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657
SHA512

7d10ba028db070e46c6ff71f371a3c0a9c86e0805cca32ddda3f71dbba7c1f8d76f5b9408f8c31c8bb1c1cbab441875761732cb85c3fef4f7463f51b68675cad
SSDEEP

24576:ffmMv6Ckr7Mny5QLjHseM8D+KrBk7YykokV313hvRtTVrJUic:f3v+7/5QLYBK1kEy5c19RLrJA

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com: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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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\Quote.vbs	Quote.exe

Executes dropped EXE 1 IoCs

pid	Process
3224	Quote.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b79-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3224 set thread context of 2636	3224	Quote.exe	90

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 3 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	QUOTE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3224	Quote.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2636	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3224	4700	QUOTE.exe	87
PID 4700 wrote to memory of 3224	4700	QUOTE.exe	87
PID 4700 wrote to memory of 3224	4700	QUOTE.exe	87
PID 3224 wrote to memory of 2636	3224	Quote.exe	90
PID 3224 wrote to memory of 2636	3224	Quote.exe	90
PID 3224 wrote to memory of 2636	3224	Quote.exe	90
PID 3224 wrote to memory of 2636	3224	Quote.exe	90

C:\Users\Admin\AppData\Local\Temp\QUOTE.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\done\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTE.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
6d88fa13d8dea2fe92a71e1ea8e1cad8

SHA1
0d35400711a24358a2c0f818f44d12f792081959

SHA256
15762b2196277aec3fd3ebe4f12d1f36cbfacb89f76e9d9b9ba97d3fe8bd4b55

SHA512
99d5bf01264216adb2e49db9aaf29147ce259922abae062f1ec907eb60393ffbbaa7023aff30058ac1dd0185dabd6b7cb15aba2e2f18add2a5f09abbb215abb4

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

Filesize
482KB

MD5
d263fadca66d2e864387b97b078566e0

SHA1
aaf674fc8d69c9d899846242e4dafc50d7fd7b5a

SHA256
75c136a245d22a4cee65605fe3a76d06f07869be0682b54b7438544364beb592

SHA512
01b864d333a31a89ebdf43fda8a4c31d3c06e0850e9afb0e0eac814276dcbc78b61f3cd07aa1d0911917c0fbec4d187debf4332705cc8faff9c6ebdf3066dbfc

Download Submit
C:\Users\Admin\AppData\Local\done\Quote.exe

Filesize
1.6MB

MD5
3827880ffe45d597900398f3b19f8b1e

SHA1
9382b462efa1c745dba267d3a80d6389705ad3f6

SHA256
e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657

SHA512
7d10ba028db070e46c6ff71f371a3c0a9c86e0805cca32ddda3f71dbba7c1f8d76f5b9408f8c31c8bb1c1cbab441875761732cb85c3fef4f7463f51b68675cad

Download Submit
memory/2636-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3224-10-0x0000000003EC0000-0x00000000042C0000-memory.dmp

Filesize
4.0MB

Download
memory/4700-2-0x0000000004420000-0x0000000004820000-memory.dmp

Filesize
4.0MB

Download