remcos | 2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45

General

Target

2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe
Size

1.1MB
MD5

33bbd27a00b4160a844a7edf2efef84e
SHA1

c3f19d22898b690d4c98c59416c62ec6e54a39de
SHA256

2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45
SHA512

d4628cdae15273dc0863afa06153d202d8a61ed8d0f9e213c47f029016b81cad7d2d4dc3c115aefbff9c9d0ba6d74e3aa89f09d5fd6226eaa597f0e0328415b7
SSDEEP

24576:b6G5oq6WlY5EQJbBCt598PkfzGwWPEXyqr:bPQrJChIP1q

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

myumysmeetr.ddns.net:2404

mysweeterbk.ddns.net:2404

meetre1ms.freeddns.org:2404

bbhmeetre1ms.freeddns.org: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
remcos
mouse_option
false
mutex
Rmc-TPT9X3
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-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\Duchpovs = "C:\\Users\\Public\\Duchpovs.url"	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
1	drive.google.com
3	drive.google.com

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe
280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	SndVol.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2452	SndVol.exe
2452	SndVol.exe
2452	SndVol.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 280 wrote to memory of 988	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	81
PID 280 wrote to memory of 988	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	81
PID 280 wrote to memory of 988	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	81
PID 280 wrote to memory of 2452	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	82
PID 280 wrote to memory of 2452	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	82
PID 280 wrote to memory of 2452	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	82
PID 280 wrote to memory of 2452	280	2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe	82

C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe
"C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:280
- C:\Windows\SysWOW64\extrac32.exe
  C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe C:\\Users\\Public\\Libraries\\Duchpovs.PIF
  2⤵
  PID:988
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2452

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

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
222B

MD5
ffd2a388d8337939bec93ef7e9ca773b

SHA1
ebc6dbb1e24b5d0fd5b910e2bf6132a11813ac31

SHA256
4426c46585be46c6f1dbc361ece33d522ad25264c198dff3052d8712a758d914

SHA512
7de9a14b800bada38ac4e84fb52e4bf22aa8582081845ecf99174420b078855487671a45f2a45499f2ba3d41039245b13cf8ad4d02560a1cf0dfc131be7c1bbf

Download Submit
memory/280-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/280-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2452-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-7-0x00000000028C0000-0x00000000038C0000-memory.dmp

Filesize
16.0MB

Download
memory/2452-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2452-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads