remcos | 4b7b4c5dd8a884bdf86dd220a8a79f0a0c68535289b9d788e1592263e583c99b

General

Target

d2507dfe5d62ab901599860661f1ac51.exe
Size

7.7MB
MD5

d2507dfe5d62ab901599860661f1ac51
SHA1

4347cb2ca611dc20ca987ba8ec7eedbecb27a73b
SHA256

4b7b4c5dd8a884bdf86dd220a8a79f0a0c68535289b9d788e1592263e583c99b
SHA512

0cd62add6a2cadb6fca898e939f66c92357d168ba3c316ef519749ceca5d2e1d424a58b5d21234ef5beb13277e21d601e75a85cbc1f94aba95f309300a686332
SSDEEP

98304:TKp5jJ5EVOzW8VrAqZkeNcX3NU3dW2/GSUJWXKtOLXfYxeZVSNbC+vw/qiYl7mxy:TEjJ5TpZkeNctAIJmx0UE6xo

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\VideoSunEditor = "C:\\Users\\Admin\\Music\\VideoSunUpdater\\VideoSunOculus.exe"	d2507dfe5d62ab901599860661f1ac51.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	d2507dfe5d62ab901599860661f1ac51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2507dfe5d62ab901599860661f1ac51.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1296	d2507dfe5d62ab901599860661f1ac51.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31
PID 1676 wrote to memory of 1296	1676	d2507dfe5d62ab901599860661f1ac51.exe	31

C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe
"C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe
  "C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1296

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
bacb92468dcd9ce11b4e82cd2e51e909

SHA1
4b535229849eb55ff7f12b2ed0dd9ba68572b438

SHA256
247a89c3d2258740a9a4d7557eb7ec0713de2b92ff5e684757cbb1d1e4fc8177

SHA512
184dc4155f5107401840960db518bb3f043e33f0e2443de7b7f9b4803bf071477d0c50562d145e60e6d593074ddf7b5f106386a12c5a0f990cdd1cab2d8ff546

Download Submit
memory/1296-28-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-52-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-75-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-73-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-69-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-68-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-63-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-62-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-11-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-7-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-22-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1296-21-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-18-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-59-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-58-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-53-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-33-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-34-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-39-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-40-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-45-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1296-26-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1676-1-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-0-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-2-0x0000000000909000-0x0000000000922000-memory.dmp

Filesize
100KB

Download
memory/1676-12-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-14-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-4-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-5-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-6-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download
memory/1676-15-0x0000000000400000-0x0000000000C46000-memory.dmp

Filesize
8.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads