remcos | 99e559cde8a3871a1c1d045ff0f141d01aeff386c2798c127fdacdff6b193f17

General

Target

33108fe9d2b46a295190763ebb4083f7.exe
Size

898KB
MD5

33108fe9d2b46a295190763ebb4083f7
SHA1

28926c7fd4b1271230a0cfcf2d193ef7cd08e17d
SHA256

99e559cde8a3871a1c1d045ff0f141d01aeff386c2798c127fdacdff6b193f17
SHA512

005060e50f1ddc3d721981fe433bd1a6ab9c4b57b965aa83aeab590220bd2a06aa93df25a59d5ed31e3947d85903c4910092632d27e79ad489d9af36d073458f
SSDEEP

12288:1epHyX2+Q6gmk12kka/ZzT9+CnHYNTQErfawt5IPzKi0:1epJHDskkKpT9hGZrfHtUzK

Score

10^/10

remcos remotehost collection rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

divdemoce.duckdns.org:35639

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
dtas.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-GZATCK
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

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/5092-168-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/5092-173-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/1556-166-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/1556-179-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1556-166-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/5092-168-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/5092-173-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/420-175-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/420-177-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1556-179-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	AddInProcess32.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

33108fe9d2b46a295190763ebb4083f7.exeAddInProcess32.exe

description	pid	process	target process
PID 5072 set thread context of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 4488 set thread context of 1556	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 set thread context of 5092	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 set thread context of 420	4488	AddInProcess32.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

33108fe9d2b46a295190763ebb4083f7.exe

pid	process
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe
5072	33108fe9d2b46a295190763ebb4083f7.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

AddInProcess32.exe

pid	process
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe
4488	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

33108fe9d2b46a295190763ebb4083f7.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 5072 33108fe9d2b46a295190763ebb4083f7.exe
Token: SeDebugPrivilege 420 AddInProcess32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

4488 AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	5072	33108fe9d2b46a295190763ebb4083f7.exe
Token: SeDebugPrivilege	420	AddInProcess32.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

33108fe9d2b46a295190763ebb4083f7.exeAddInProcess32.exe

description	pid	process	target process
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 5072 wrote to memory of 4488	5072	33108fe9d2b46a295190763ebb4083f7.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1140	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1140	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1140	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 2196	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 2196	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 2196	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4296	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4296	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4296	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1556	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1556	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1556	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 1556	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 5092	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 5092	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 5092	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 5092	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 388	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 388	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 388	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4704	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4704	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 4704	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 420	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 420	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 420	4488	AddInProcess32.exe	AddInProcess32.exe
PID 4488 wrote to memory of 420	4488	AddInProcess32.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\33108fe9d2b46a295190763ebb4083f7.exe
"C:\Users\Admin\AppData\Local\Temp\33108fe9d2b46a295190763ebb4083f7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5072

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibwqltaelfmfylumav"
3⤵
PID:1140

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibwqltaelfmfylumav"
3⤵
PID:2196

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibwqltaelfmfylumav"
3⤵
PID:4296

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibwqltaelfmfylumav"
3⤵
PID:1556

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\svkjmllxznekjrqqjfoql"
3⤵
- Accesses Microsoft Outlook accounts
PID:5092

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\dxptmevznvwplfeuaqirwyvlg"
3⤵
PID:388

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\dxptmevznvwplfeuaqirwyvlg"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\dxptmevznvwplfeuaqirwyvlg"
3⤵
PID:4704

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b1a407ed9778faba2aa43f92e4e85dca

SHA1
cb9c6835291dde8bf4227b3adafdc8e0ef07a4bb

SHA256
1d16f0d3fe199ac744b1305b95e04ed2fd8711ada610cfbe373a14ea301277f5

SHA512
7d9ca374f1d3464a9ba12c8a7708593e43eee2a7f2b7ac7cecf6fe36845d6407bc2938dddab63ee912a16dd70488ffeae6c4408e7c1e57457441c4a3243103ac

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\dtas.dat
Filesize
144B

MD5
b9cfbf2dda7def91fb980032575278fa

SHA1
ab5941251e71c2c32e460681ad8d41b1bfbeaf94

SHA256
1d08411059e744c73e7c53abd0d5be3f8d040ff0cbbb83ed747ea84c4477e00f

SHA512
b2e1537571b890ed576588a202530cced42c8e6d75ec5af137d61e3f17a39e273a941c4bc6d8f51af2f9c7a964acfe97cf8ad0d647eba3d76b0ca273517f8f8b

Download Submit
memory/420-177-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/420-175-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/420-174-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/420-167-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1556-160-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1556-179-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1556-166-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1556-164-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4488-159-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-184-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4488-212-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-146-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-148-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-149-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-151-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-152-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-153-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-154-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-155-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-156-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-157-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-211-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-204-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-203-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-196-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-195-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-188-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-187-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-186-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4488-185-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4488-181-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/5072-142-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-139-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-145-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-135-0x0000000005920000-0x00000000059B2000-memory.dmp

Filesize
584KB

Download
memory/5072-141-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-144-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-133-0x0000000000060000-0x0000000000146000-memory.dmp

Filesize
920KB

Download
memory/5072-134-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/5072-136-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/5072-137-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-140-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-143-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/5072-138-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/5092-162-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5092-165-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5092-173-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5092-168-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads