remcos | e9f5732cff8afc4193b41bfee8b53aeea5e35b8d152e4a3226b3be96a13115b2

General

Target

0ffc2fa4405ccafee0472e351799dca8.exe
Size

663KB
MD5

0ffc2fa4405ccafee0472e351799dca8
SHA1

9fcda13ed9fbc784a8cafa3f96edcc819e60ffbc
SHA256

6b6d820ce1c8df1c795e938995133201a5c75ad3989cd51568323b671ecf8109
SHA512

4d49de65bf593730d697c47f2614d3193454a2582f614157a4cafc60b45986cd117ace112fef9abb7e899cf811eb3bfb0cff6f17a29424d391b25a31bee40f2a
SSDEEP

12288:Piqqh8QqSxiPeDMfTw/eLAO6X7FOFc8Q5:PPqhzqVer9LrFOK8Q5

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

RemoteHost

C2

trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu:7143

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
jmaqvbo.exe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-DCSDH0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
nplwat
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2992 set thread context of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101

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 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	0ffc2fa4405ccafee0472e351799dca8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2992	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3368	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 1648	2992	0ffc2fa4405ccafee0472e351799dca8.exe	99
PID 2992 wrote to memory of 1648	2992	0ffc2fa4405ccafee0472e351799dca8.exe	99
PID 2992 wrote to memory of 1648	2992	0ffc2fa4405ccafee0472e351799dca8.exe	99
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101
PID 2992 wrote to memory of 3368	2992	0ffc2fa4405ccafee0472e351799dca8.exe	101

C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
"C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hAoHsX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FC1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1648
- C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
  "C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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:\Users\Admin\AppData\Local\Temp\tmp2FC1.tmp

Filesize
1KB

MD5
4cb7b659e7e2270c727604fe624a82a1

SHA1
97ad8bde2d2ad28a66e0fdd0c781a821e21fea2a

SHA256
e3079c91976ad805c8f6058d11462c041cfe78dc476212d349529c050e536230

SHA512
91d1a52ec9afab293ba61094898a7a47afa70eb4278ef16f7efcd9670f8d822ba2093597c964a583126a2289a99be996d8122dda515a27a5aef7ded87a5af1d5

Download Submit
memory/2992-10-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2992-11-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2992-3-0x00000000060D0000-0x0000000006674000-memory.dmp

Filesize
5.6MB

Download
memory/2992-4-0x0000000005B20000-0x0000000005BB2000-memory.dmp

Filesize
584KB

Download
memory/2992-5-0x0000000005C20000-0x0000000005C2A000-memory.dmp

Filesize
40KB

Download
memory/2992-6-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2992-7-0x0000000005C90000-0x0000000005CE6000-memory.dmp

Filesize
344KB

Download
memory/2992-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2992-9-0x0000000005CF0000-0x0000000005D02000-memory.dmp

Filesize
72KB

Download
memory/2992-2-0x0000000005A80000-0x0000000005B1C000-memory.dmp

Filesize
624KB

Download
memory/2992-8-0x0000000005D40000-0x0000000006094000-memory.dmp

Filesize
3.3MB

Download
memory/2992-12-0x0000000006B20000-0x0000000006B80000-memory.dmp

Filesize
384KB

Download
memory/2992-1-0x0000000000F40000-0x0000000000FEC000-memory.dmp

Filesize
688KB

Download
memory/2992-27-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3368-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3368-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3368-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3368-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3368-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3368-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads