remcos | 0e875809afec874bbbdd8395efac33c3e57bd86a66ae4097c87b35656b64804c

General

Target

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
Size

3.7MB
MD5

bc7c2b5cecb62ddda8ab33eaaa7abf65
SHA1

e8ea016e57a0e87b90f8afbce0eee6bc1afd8bfb
SHA256

0e875809afec874bbbdd8395efac33c3e57bd86a66ae4097c87b35656b64804c
SHA512

6a57c650fad469b71f81fa488a555919f7dccfe45b501b0930285a36dc4e705faa710bf6a0c27828ec720494c89baa8d7d95fc6e752f6221f7a32bf1abcfa112
SSDEEP

49152:DC8nc/DY7yJiS/t8Tk6SRdkpvRFpybpxNYPMI3+bEmnT:DCv/lRRd8FpybHaEIy

Score

10^/10

remcos xoaoamort discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

XOAOAMORT

C2

carroosmfjdjs.con-ip.com:1661

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-BTGK97
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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SatPCEditor = "C:\\Users\\Admin\\Music\\SatPCUpdater\\SatPCOculus.exe"	bc7c2b5cecb62ddda8ab33eaaa7abf65.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	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1988	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31
PID 2432 wrote to memory of 1988	2432	bc7c2b5cecb62ddda8ab33eaaa7abf65.exe	31

C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
"C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
  "C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1988

Network

DNS

carroosmfjdjs.con-ip.com

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

Remote address:

8.8.8.8:53

Request

carroosmfjdjs.con-ip.com

IN A

Response

carroosmfjdjs.con-ip.com

IN A

181.131.216.100
DNS

geoplugin.net

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

Remote address:

8.8.8.8:53

Request

geoplugin.net

IN A

Response

geoplugin.net

IN A

178.237.33.50
GET

http://geoplugin.net/json.gp

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

Remote address:

178.237.33.50:80

Request

GET /json.gp HTTP/1.1
Host: geoplugin.net
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

date: Thu, 03 Oct 2024 14:23:26 GMT
server: Apache
content-length: 955
content-type: application/json; charset=utf-8
cache-control: public, max-age=300
access-control-allow-origin: *

181.131.216.100:1661

carroosmfjdjs.con-ip.com

tls

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

3.7kB
1.7kB
16
18
178.237.33.50:80

http://geoplugin.net/json.gp

http

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

669 B
2.5kB
13
4

HTTP Request

GET http://geoplugin.net/json.gp

HTTP Response

200

8.8.8.8:53

carroosmfjdjs.con-ip.com

dns

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

70 B
86 B
1
1

DNS Request

carroosmfjdjs.con-ip.com

DNS Response

181.131.216.100
8.8.8.8:53

geoplugin.net

dns

bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

59 B
75 B
1
1

DNS Request

geoplugin.net

DNS Response

178.237.33.50

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
9eb56240582279345a0789ef9129ebc6

SHA1
07521c2a58b7d1c6a0f37a18796f42a679adac42

SHA256
16ad903d4dd2dc8cb210be2c3742ae2500a043231c3662126d9322ea0dbfaabe

SHA512
7d2aee8c19427dab1305091f0a4ba2acb077a02778f0cd1c358f44bbc2ad33996ff3ae98ba6af90bd57753149834e2f4c31f8ec9da5db9e9986b4af7885f4810

Download Submit
memory/1988-21-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/1988-54-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-8-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-70-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-12-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1988-69-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-62-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-61-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-24-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-18-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-53-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-22-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-45-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-37-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-16-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-38-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-27-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-28-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/1988-29-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2432-2-0x0000000000507000-0x0000000000520000-memory.dmp

Filesize
100KB

Download
memory/2432-1-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-26-0x0000000000507000-0x0000000000520000-memory.dmp

Filesize
100KB

Download
memory/2432-0-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-23-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-5-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-4-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-6-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-7-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download
memory/2432-14-0x0000000000400000-0x00000000009BC000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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