remcos | 9ada42b89ff4044fd6860e05e72e4dd35cf282924ffdd211ea6214d52191f2e9

General

Target

2ae8858f2387eb283387e524d9916291.exe
Size

5.1MB
MD5

2ae8858f2387eb283387e524d9916291
SHA1

79aa7560b375a1b32cc969ccc8f55dc2de770d7a
SHA256

9ada42b89ff4044fd6860e05e72e4dd35cf282924ffdd211ea6214d52191f2e9
SHA512

ae9806a0d09885969e463ae7522f6e44cf8835f5835b3b0e6e7bbb750834905b3f4c9ada83c6fbbc38ad3f7ae885cbaa555a9bfb2146962cc55fec93c3782f5e
SSDEEP

49152:89C6IGwcuCr4SOgkpEEd6HninHFdrSgoQz/KnlSYwJNYPMI3+73TaybdvsnY:8M6FDEdjl467ElSYwJaEIg+yb9sY

Score

10^/10

remcos 07=$octubre=$2024 discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

07=$Octubre=$2024

C2

098urni4389udn3u4imf8rufue.con-ip.com:5023

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-KR44SE
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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\SprintDesignerEditor = "C:\\Users\\Admin\\Music\\SprintDesignerUpdater\\SprintVideoOculus.exe"	2ae8858f2387eb283387e524d9916291.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	2ae8858f2387eb283387e524d9916291.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ae8858f2387eb283387e524d9916291.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2096	2ae8858f2387eb283387e524d9916291.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31
PID 2488 wrote to memory of 2096	2488	2ae8858f2387eb283387e524d9916291.exe	31

C:\Users\Admin\AppData\Local\Temp\2ae8858f2387eb283387e524d9916291.exe
"C:\Users\Admin\AppData\Local\Temp\2ae8858f2387eb283387e524d9916291.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\2ae8858f2387eb283387e524d9916291.exe
  "C:\Users\Admin\AppData\Local\Temp\2ae8858f2387eb283387e524d9916291.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2096

Network

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
a65f7d3f191cc7b56064b57ff13f7fef

SHA1
22640d734572461628defe2542a5eb756cc1aaa7

SHA256
db65d2675e9d39341542c7a8a80fa18585b98937cae25ba72f4af62f2eef1a1f

SHA512
dad0a3736348f86b8589eeb09f3f569958693fc6e56ae3abc5b364e1a612eea4f42e2c62a87d304a37bb7d20df594b9f9bc12288255fc508bb98b1045555a6df

Download Submit
memory/2096-42-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-17-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-23-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-12-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-8-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-25-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-66-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-24-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-59-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-18-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2096-43-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-19-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-22-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-58-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-67-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-51-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-26-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-28-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-50-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-35-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2096-34-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2488-14-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-0-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-3-0x0000000000724000-0x000000000073C000-memory.dmp

Filesize
96KB

Download
memory/2488-31-0x0000000000724000-0x000000000073C000-memory.dmp

Filesize
96KB

Download
memory/2488-4-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-2-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-7-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-13-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download
memory/2488-15-0x0000000000400000-0x0000000000AD7000-memory.dmp

Filesize
6.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads