remcos | e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 02:58

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General

Target

e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.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
2644	Quote.exe

Loads dropped DLL 1 IoCs

pid	Process
2596	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0007000000015cda-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2812	2644	Quote.exe	31

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	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.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
2644	Quote.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2812	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2644	2596	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe	30
PID 2596 wrote to memory of 2644	2596	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe	30
PID 2596 wrote to memory of 2644	2596	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe	30
PID 2596 wrote to memory of 2644	2596	e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe	30
PID 2644 wrote to memory of 2812	2644	Quote.exe	31
PID 2644 wrote to memory of 2812	2644	Quote.exe	31
PID 2644 wrote to memory of 2812	2644	Quote.exe	31
PID 2644 wrote to memory of 2812	2644	Quote.exe	31
PID 2644 wrote to memory of 2812	2644	Quote.exe	31

C:\Users\Admin\AppData\Local\Temp\e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe
"C:\Users\Admin\AppData\Local\Temp\e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\done\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.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:2644
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2812

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

Loading Replay Monitor...

Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
716a7789f2093795505c7a104b157193

SHA1
88dae5bb9c1feb9eb0d350311f8377a2916c71bf

SHA256
737fae1058bf38da4e08263568a61e892cf63627d802bed50b22e54d6417b22c

SHA512
2a022c41ddd9309dd9676c297b78ea30bdac94fd8fc53a721c55e9a7a1ecf7ed2059394b879ae2054fd1989453bf40d430d8b8fe914479f9c72d7061692eee94

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

Filesize
1.6MB

MD5
3827880ffe45d597900398f3b19f8b1e

SHA1
9382b462efa1c745dba267d3a80d6389705ad3f6

SHA256
e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657

SHA512
7d10ba028db070e46c6ff71f371a3c0a9c86e0805cca32ddda3f71dbba7c1f8d76f5b9408f8c31c8bb1c1cbab441875761732cb85c3fef4f7463f51b68675cad

Download Submit
memory/2596-2-0x0000000003FE0000-0x00000000043E0000-memory.dmp

Filesize
4.0MB

Download
memory/2644-12-0x0000000003F10000-0x0000000004310000-memory.dmp

Filesize
4.0MB

Download
memory/2812-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2812-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download