remcos | 18e9a22ee167304fab2f07f7423b88e12953c8aaa0a28e7fd3e75e48a67188b4

General

Target

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
Size

1.4MB
MD5

0c3a8cefb4da3f02bffad97bde2b6a10
SHA1

2101a88c17f0b55ec69328b93d646db12b3b21d3
SHA256

18e9a22ee167304fab2f07f7423b88e12953c8aaa0a28e7fd3e75e48a67188b4
SHA512

8237757dbeed34807c1cf454b2b5d58b4517c7025e67305407b3e59701f787187df4dec2b5a70788ae4c17402551633724a2d89b05ea529227c0d7320b97bdde
SSDEEP

24576:FD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoA:Fp7E+QrFUBgq2N

Score

10^/10

remcos host persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Processes:

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

sbietrcl.exesbietrcl.exe

pid process

4400 sbietrcl.exe
1100 sbietrcl.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
4400	sbietrcl.exe
1100	sbietrcl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sbietrcl.exe

description pid process target process

PID 4400 set thread context of 1100 4400 sbietrcl.exe sbietrcl.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4400 set thread context of 1100	4400	sbietrcl.exe	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exesbietrcl.exe

pid	process
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
4400	sbietrcl.exe
4400	sbietrcl.exe
4400	sbietrcl.exe
4400	sbietrcl.exe
4400	sbietrcl.exe
4400	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exesbietrcl.exe

description pid process

Token: SeDebugPrivilege 4356 0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
Token: SeDebugPrivilege 4400 sbietrcl.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sbietrcl.exe

pid process

1100 sbietrcl.exe

description	pid	process
Token: SeDebugPrivilege	4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
Token: SeDebugPrivilege	4400	sbietrcl.exe

pid	process
1100	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exesbietrcl.exe

description	pid	process	target process
PID 4356 wrote to memory of 4400	4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe	sbietrcl.exe
PID 4356 wrote to memory of 4400	4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe	sbietrcl.exe
PID 4356 wrote to memory of 4400	4356	0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe
PID 4400 wrote to memory of 1100	4400	sbietrcl.exe	sbietrcl.exe

C:\Users\Admin\AppData\Local\Temp\0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\0c3a8cefb4da3f02bffad97bde2b6a10_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4356

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1100

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.4MB

MD5
6adcefa9f52dabd8e196c66db4102445

SHA1
a5d5acff9ce8795b22407554d0050b8d65c704a3

SHA256
6c76de7991443de8cd23833204ba8168629ddd8d053d67e5030e625cfe15bb24

SHA512
31f8e94598d8d1b32d065a0851cdcdc8ce622470ae4f1ff9d9b961e6aaa49e84fd1d5d850ec53511d72aea1bad9fdcbf7b5bc028093cc162f037d86d9dfac780

Download Submit
memory/1100-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1100-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4356-6-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4356-28-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4356-0-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download
memory/4356-5-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4356-2-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4356-1-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4400-31-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4400-32-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4400-30-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4400-29-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4400-44-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads