remcos | 292cf2d82dab6a62b95a058993294f7f9106fefc2ada4e4c64516248026ab7d1

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
24/10/2023, 05:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

DETAILS AND INVOICES.exe
Size

1.1MB
MD5

ed77295b97237d6451a632ad2792e5c5
SHA1

d89ea24e1100520ca372a6580413077e0e5f7086
SHA256

292cf2d82dab6a62b95a058993294f7f9106fefc2ada4e4c64516248026ab7d1
SHA512

8bbbf6e906a5c8266204570378f790a0575964a68dd340d7b47eba1334c64011b8aa2be890568bde891ac2b470156c2c45d8251f687f025badcb4667f17eaf1a
SSDEEP

24576:pxs6zBqyXtWSFP0wvtdbWs0usuC0rr+fiUxdueoH0:Ls6zJ1XfbWusuZryiUxdueo

Score

10^/10

remcos fun rat

Malware Config

Extracted

Family

remcos

Botnet

fun

194.147.140.194:1998

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-62Q8OD
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 2516	1336	DETAILS AND INVOICES.exe	35

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

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/Job

T1053

pid	Process
2088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
1336	DETAILS AND INVOICES.exe
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	DETAILS AND INVOICES.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2516	DETAILS AND INVOICES.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2640	1336	DETAILS AND INVOICES.exe	30
PID 1336 wrote to memory of 2640	1336	DETAILS AND INVOICES.exe	30
PID 1336 wrote to memory of 2640	1336	DETAILS AND INVOICES.exe	30
PID 1336 wrote to memory of 2640	1336	DETAILS AND INVOICES.exe	30
PID 1336 wrote to memory of 2088	1336	DETAILS AND INVOICES.exe	32
PID 1336 wrote to memory of 2088	1336	DETAILS AND INVOICES.exe	32
PID 1336 wrote to memory of 2088	1336	DETAILS AND INVOICES.exe	32
PID 1336 wrote to memory of 2088	1336	DETAILS AND INVOICES.exe	32
PID 1336 wrote to memory of 1064	1336	DETAILS AND INVOICES.exe	34
PID 1336 wrote to memory of 1064	1336	DETAILS AND INVOICES.exe	34
PID 1336 wrote to memory of 1064	1336	DETAILS AND INVOICES.exe	34
PID 1336 wrote to memory of 1064	1336	DETAILS AND INVOICES.exe	34
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35
PID 1336 wrote to memory of 2516	1336	DETAILS AND INVOICES.exe	35

C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe
"C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WSitseYQL.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WSitseYQL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe
  "C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe"
  2⤵
  PID:1064
- C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe
  "C:\Users\Admin\AppData\Local\Temp\DETAILS AND INVOICES.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
25ee124d7df8ad27872cdc10ae3df5d9

SHA1
bf213a6ce11ab0289d4cc869354f972fe2efa690

SHA256
d79d68eebaf07381126f1fd69a7a638f2dfe40700f4384323ff24986b20ddb6d

SHA512
bd2d1196b323167e62e3c58bd57a266b306cf658787d643cb5f5cc3c46e899b554f2fbe179df1f2a7a12bc85665b7f685f8a795f3ced380f5f1aca969dc36837

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2EE.tmp

Filesize
1KB

MD5
d017cb5521d60991154de802b3986260

SHA1
29338e4748b958071a25cc7730765f9e6dbd2a10

SHA256
1eea2c718b4af7e93314158a0e96e52f7b3c9f1e709c857ed69f3389c180d088

SHA512
8c1e102da124628de5cb99cbdba9d9b6dc1a8d3ca1d07b65b60a17c55b150310dd717b04560a0bd37b6284c845f74341ef8576c181f5b926053613835d2ad8a9

Download Submit
memory/1336-4-0x0000000000350000-0x000000000035C000-memory.dmp

Filesize
48KB

Download
memory/1336-3-0x00000000003C0000-0x00000000003DC000-memory.dmp

Filesize
112KB

Download
memory/1336-2-0x0000000002120000-0x0000000002160000-memory.dmp

Filesize
256KB

Download
memory/1336-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/1336-0-0x0000000000200000-0x0000000000320000-memory.dmp

Filesize
1.1MB

Download
memory/1336-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/1336-6-0x0000000002120000-0x0000000002160000-memory.dmp

Filesize
256KB

Download
memory/1336-7-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/1336-8-0x0000000005E10000-0x0000000005EC8000-memory.dmp

Filesize
736KB

Download
memory/1336-29-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-28-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-35-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-20-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-21-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-23-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2516-26-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-18-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-17-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-30-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-32-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-33-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-65-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-64-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-19-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-57-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-56-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-39-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-40-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-41-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-43-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-16-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-47-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-48-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2516-49-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2640-44-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-38-0x0000000002680000-0x00000000026C0000-memory.dmp

Filesize
256KB

Download
memory/2640-37-0x0000000002680000-0x00000000026C0000-memory.dmp

Filesize
256KB

Download
memory/2640-36-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-34-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download