remcos | b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea

General

Target

new order.scr.exe
Size

851KB
MD5

ab7e3cccd94cc5df7853333415b99fb1
SHA1

ff381ca8da20161a8358a890367cee019fcfb042
SHA256

b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
SHA512

8b8c155337a21f7018d19c98a3f0c560d6cad2bdd5418fcb6cf05bea5fb7d027a1800d6dc0231e9d480407dc78f5caa3d03b7d6013893b053d51a54f1a45f086
SSDEEP

12288:xi6j8RfQAG1TilbZCL/JoxFKYT8JOs7sYt1hB28Qa5KLAAAgz0aIXWX6:xi6ofQArbZmKFg4iv/NcXog

Score

10^/10

remcos ip-remcos collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

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-JS00ZN
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/2968-166-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/4928-167-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4928-168-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4088-165-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4928-167-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2968-166-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4928-168-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

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:

new order.scr.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	new order.scr.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
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

new order.scr.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	new order.scr.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

new order.scr.exenew order.scr.exe

description	pid	process	target process
PID 4760 set thread context of 2260	4760	new order.scr.exe	new order.scr.exe
PID 2260 set thread context of 4928	2260	new order.scr.exe	new order.scr.exe
PID 2260 set thread context of 2968	2260	new order.scr.exe	new order.scr.exe
PID 2260 set thread context of 4088	2260	new order.scr.exe	new order.scr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3784 schtasks.exe

pid	process
3784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exenew order.scr.exenew order.scr.exe

pid	process
4616	powershell.exe
4616	powershell.exe
4088	new order.scr.exe
4088	new order.scr.exe
4928	new order.scr.exe
4928	new order.scr.exe
4928	new order.scr.exe
4928	new order.scr.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

new order.scr.exe

pid process

2260 new order.scr.exe
2260 new order.scr.exe
2260 new order.scr.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exenew order.scr.exe

description pid process

Token: SeDebugPrivilege 4616 powershell.exe
Token: SeDebugPrivilege 4088 new order.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

new order.scr.exe

pid process

2260 new order.scr.exe

pid	process
2260	new order.scr.exe
2260	new order.scr.exe
2260	new order.scr.exe

description	pid	process
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4088	new order.scr.exe

pid	process
2260	new order.scr.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

new order.scr.exenew order.scr.exe

description	pid	process	target process
PID 4760 wrote to memory of 4616	4760	new order.scr.exe	powershell.exe
PID 4760 wrote to memory of 4616	4760	new order.scr.exe	powershell.exe
PID 4760 wrote to memory of 4616	4760	new order.scr.exe	powershell.exe
PID 4760 wrote to memory of 3784	4760	new order.scr.exe	schtasks.exe
PID 4760 wrote to memory of 3784	4760	new order.scr.exe	schtasks.exe
PID 4760 wrote to memory of 3784	4760	new order.scr.exe	schtasks.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 4760 wrote to memory of 2260	4760	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4928	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4928	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4928	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4928	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 2968	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 2968	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 2968	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 2968	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4088	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4088	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4088	2260	new order.scr.exe	new order.scr.exe
PID 2260 wrote to memory of 4088	2260	new order.scr.exe	new order.scr.exe

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4760

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AWhQVxor.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AWhQVxor" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4249.tmp"
2⤵
- Creates scheduled task(s)
PID:3784

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\eljlwzejxhnzatmjknwrhefdugmxgsahm"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4928

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\gfxex"
3⤵
- Accesses Microsoft Outlook accounts
PID:2968

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qicxxkze"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\eljlwzejxhnzatmjknwrhefdugmxgsahm
Filesize
4KB

MD5
07c14121728256ad56b1ef039a28e4a6

SHA1
0f39e1e02cd5e2b1b22d9e5470757ae13fe96738

SHA256
8d46702077d776b04085cbe5ce2f0e5971595ea4e11b025a215c4379e7fc18f8

SHA512
03d9113095e7b6143c4f99b131462fa451a9c2d7e841461603dace64bd6d525cb63d074384d2b3ff285a7183116f1715138beeb756fced9a6b1ad6fde36d4789

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4249.tmp
Filesize
1KB

MD5
f5e38884aabb2432957f180ec6728ef1

SHA1
8f744adec8297b5c5c2902628759c5df0d4ba978

SHA256
5b2b296cef00253cd9564a0e0db6dc28c80dac430d1b046c63943be91171f8f5

SHA512
b4bb8c427fd5d1ccd5e4ef5286dcd0c5aa432015814c9b034e22d14be06ad8236439af9df059abff40338ba4b1c7d9c0ddb8dacd53d8136b199a972ace3cad77

Download Submit
memory/2260-159-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2260-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2260-141-0x0000000000000000-mapping.dmp

Download
memory/2260-146-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2260-144-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2260-143-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-166-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2968-163-0x0000000000000000-mapping.dmp

Download
memory/3784-138-0x0000000000000000-mapping.dmp

Download
memory/4088-165-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4088-164-0x0000000000000000-mapping.dmp

Download
memory/4616-137-0x0000000000000000-mapping.dmp

Download
memory/4616-139-0x0000000002520000-0x0000000002556000-memory.dmp

Filesize
216KB

Download
memory/4616-147-0x0000000004FB0000-0x0000000004FD2000-memory.dmp

Filesize
136KB

Download
memory/4616-148-0x0000000005050000-0x00000000050B6000-memory.dmp

Filesize
408KB

Download
memory/4616-149-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/4616-150-0x0000000004BC0000-0x0000000004BDE000-memory.dmp

Filesize
120KB

Download
memory/4616-152-0x0000000070980000-0x00000000709CC000-memory.dmp

Filesize
304KB

Download
memory/4616-151-0x0000000007050000-0x0000000007082000-memory.dmp

Filesize
200KB

Download
memory/4616-153-0x0000000007030000-0x000000000704E000-memory.dmp

Filesize
120KB

Download
memory/4616-154-0x0000000007820000-0x0000000007E9A000-memory.dmp

Filesize
6.5MB

Download
memory/4616-155-0x00000000071D0000-0x00000000071EA000-memory.dmp

Filesize
104KB

Download
memory/4616-156-0x0000000007250000-0x000000000725A000-memory.dmp

Filesize
40KB

Download
memory/4616-157-0x0000000007440000-0x00000000074D6000-memory.dmp

Filesize
600KB

Download
memory/4616-158-0x0000000007400000-0x000000000740E000-memory.dmp

Filesize
56KB

Download
memory/4616-142-0x0000000005100000-0x0000000005728000-memory.dmp

Filesize
6.2MB

Download
memory/4616-160-0x0000000007500000-0x000000000751A000-memory.dmp

Filesize
104KB

Download
memory/4616-161-0x00000000074F0000-0x00000000074F8000-memory.dmp

Filesize
32KB

Download
memory/4760-134-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/4760-132-0x0000000000350000-0x000000000042C000-memory.dmp

Filesize
880KB

Download
memory/4760-135-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/4760-136-0x00000000089A0000-0x0000000008A3C000-memory.dmp

Filesize
624KB

Download
memory/4760-133-0x0000000005370000-0x0000000005914000-memory.dmp

Filesize
5.6MB

Download
memory/4928-162-0x0000000000000000-mapping.dmp

Download
memory/4928-167-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4928-168-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads