remcos | d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c

General

Target

sample order.scr.exe
Size

1.2MB
MD5

4334fe2b2fc94acca8388291eece9ac8
SHA1

6eaff5e2672fbbdfd46b503365dbdc02ae668407
SHA256

d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c
SHA512

4b721851b3ec1e888f5570f42fdc81410af6d251511b08ed246bb7dac6f6ff160f8630fa9750ffe09ea2e441f8e35c47681d7c827da32f772a29de2530b5ec72
SSDEEP

24576:Z1r1uXqY/jeTNSpOvDfB835LoipEUvJJD:Z7uXcNSU7J8tpEU

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/3172-154-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/808-158-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3172-154-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/2472-156-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/808-158-0x0000000000400000-0x0000000000478000-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:

sample order.scr.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	sample 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:

sample 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	sample order.scr.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

sample order.scr.exesample order.scr.exe

description	pid	process	target process
PID 3408 set thread context of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 2700 set thread context of 808	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 set thread context of 3172	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 set thread context of 2472	2700	sample order.scr.exe	sample 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

1288 schtasks.exe

pid	process
1288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exesample order.scr.exesample order.scr.exe

pid	process
2336	powershell.exe
2336	powershell.exe
808	sample order.scr.exe
808	sample order.scr.exe
2472	sample order.scr.exe
2472	sample order.scr.exe
808	sample order.scr.exe
808	sample order.scr.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

sample order.scr.exe

pid process

2700 sample order.scr.exe
2700 sample order.scr.exe
2700 sample order.scr.exe
2700 sample order.scr.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exesample order.scr.exe

description pid process

Token: SeDebugPrivilege 2336 powershell.exe
Token: SeDebugPrivilege 2472 sample order.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sample order.scr.exe

pid process

2700 sample order.scr.exe

pid	process
2700	sample order.scr.exe
2700	sample order.scr.exe
2700	sample order.scr.exe
2700	sample order.scr.exe

description	pid	process
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	2472	sample order.scr.exe

pid	process
2700	sample order.scr.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

sample order.scr.exesample order.scr.exe

description	pid	process	target process
PID 3408 wrote to memory of 2336	3408	sample order.scr.exe	powershell.exe
PID 3408 wrote to memory of 2336	3408	sample order.scr.exe	powershell.exe
PID 3408 wrote to memory of 2336	3408	sample order.scr.exe	powershell.exe
PID 3408 wrote to memory of 1288	3408	sample order.scr.exe	schtasks.exe
PID 3408 wrote to memory of 1288	3408	sample order.scr.exe	schtasks.exe
PID 3408 wrote to memory of 1288	3408	sample order.scr.exe	schtasks.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 3408 wrote to memory of 2700	3408	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 808	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 808	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 808	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 808	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 3172	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 3172	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 3172	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 3172	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 5092	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 5092	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 5092	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 2472	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 2472	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 2472	2700	sample order.scr.exe	sample order.scr.exe
PID 2700 wrote to memory of 2472	2700	sample order.scr.exe	sample order.scr.exe

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\icsOakcPSkFF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\icsOakcPSkFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp102C.tmp"
2⤵
- Creates scheduled task(s)
PID:1288

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fnlrnfypfwbptpwgglarwjc"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:808

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qprkoxjrtetuvdkkxwnkhowkqoj"
3⤵
- Accesses Microsoft Outlook accounts
PID:3172

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sjeupiukomlzgjgwghamkajtrdacdj"
3⤵
PID:5092

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sjeupiukomlzgjgwghamkajtrdacdj"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472

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

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Downloads

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

MD5
07c14121728256ad56b1ef039a28e4a6

SHA1
0f39e1e02cd5e2b1b22d9e5470757ae13fe96738

SHA256
8d46702077d776b04085cbe5ce2f0e5971595ea4e11b025a215c4379e7fc18f8

SHA512
03d9113095e7b6143c4f99b131462fa451a9c2d7e841461603dace64bd6d525cb63d074384d2b3ff285a7183116f1715138beeb756fced9a6b1ad6fde36d4789

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp102C.tmp
Filesize
1KB

MD5
7182536e84b166d51ac972ee753e852d

SHA1
81063651b0406e9716abf6235dc2e84752abf735

SHA256
6a4aa776f36f7ccbbdf57f968b82f1806d7d464512edb4f0db482a9434967958

SHA512
f8fb4cf568d2a08378183c8306a80ff1546a1949ffd825e9723c83ee3ee7830b5756a02f9f4f52d8e79b7140f4b16a43cc2de6ce2e5c86602e42e83ffc92aeb3

Download Submit
memory/808-158-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/808-151-0x0000000000000000-mapping.dmp

Download
memory/1288-139-0x0000000000000000-mapping.dmp

Download
memory/2336-150-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

Filesize
120KB

Download
memory/2336-138-0x0000000000000000-mapping.dmp

Download
memory/2336-168-0x00000000075D0000-0x00000000075D8000-memory.dmp

Filesize
32KB

Download
memory/2336-140-0x0000000004950000-0x0000000004986000-memory.dmp

Filesize
216KB

Download
memory/2336-167-0x00000000075F0000-0x000000000760A000-memory.dmp

Filesize
104KB

Download
memory/2336-142-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/2336-166-0x00000000074E0000-0x00000000074EE000-memory.dmp

Filesize
56KB

Download
memory/2336-146-0x0000000005050000-0x0000000005072000-memory.dmp

Filesize
136KB

Download
memory/2336-165-0x0000000007530000-0x00000000075C6000-memory.dmp

Filesize
600KB

Download
memory/2336-164-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/2336-147-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/2336-163-0x00000000072B0000-0x00000000072CA000-memory.dmp

Filesize
104KB

Download
memory/2336-162-0x0000000007900000-0x0000000007F7A000-memory.dmp

Filesize
6.5MB

Download
memory/2336-161-0x0000000006560000-0x000000000657E000-memory.dmp

Filesize
120KB

Download
memory/2336-160-0x0000000071020000-0x000000007106C000-memory.dmp

Filesize
304KB

Download
memory/2336-159-0x0000000006580000-0x00000000065B2000-memory.dmp

Filesize
200KB

Download
memory/2472-155-0x0000000000000000-mapping.dmp

Download
memory/2472-156-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2700-143-0x0000000000000000-mapping.dmp

Download
memory/2700-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2700-169-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2700-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2700-144-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2700-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3172-154-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3172-152-0x0000000000000000-mapping.dmp

Download
memory/3408-135-0x0000000005430000-0x000000000543A000-memory.dmp

Filesize
40KB

Download
memory/3408-132-0x0000000000960000-0x0000000000A98000-memory.dmp

Filesize
1.2MB

Download
memory/3408-133-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/3408-136-0x000000000A420000-0x000000000A4BC000-memory.dmp

Filesize
624KB

Download
memory/3408-137-0x000000000A630000-0x000000000A696000-memory.dmp

Filesize
408KB

Download
memory/3408-134-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/5092-153-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads