remcos | 00f2682d1cc39105f8573a805b6fd181445eccd2de6b3727f31d0cfa20519378

Analysis

max time kernel
180s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 23:23

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General

Target

98c6b6fe85f940f647fb9dcb232a837b.exe
Size

1.1MB
MD5

98c6b6fe85f940f647fb9dcb232a837b
SHA1

ae5a09d89039cab8bf272ba241391e1662be8e06
SHA256

00f2682d1cc39105f8573a805b6fd181445eccd2de6b3727f31d0cfa20519378
SHA512

0be6173f01e0bc585f467e1bb9104465dd2886619d8f51ea31feb16821a0719696f94024df84a91f8f97ed77e44cd2cfe03c4da460b186e1b9bf1af66a6839c5
SSDEEP

24576:GrW6ZpTN4bBon3O6N1IZrt0SUqBSpQnrWhg8O1HYjKEPPzK8IVCVek:0WMebBoTNMJ0S2pQcg8MH/EXzK8FIk

Score

10^/10

remcos new2709 discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

new2709

nuevospa.con-ip.com:2709

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
loggsdsce
keylog_path
%AppData%
mouse_option
false
mutex
Rmc1214550111-8ILYZA
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3192 created 3464	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	56

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Owgmazno = "C:\\Users\\Admin\\AppData\\Roaming\\Owgmazno.exe"	98c6b6fe85f940f647fb9dcb232a837b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3192 set thread context of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98c6b6fe85f940f647fb9dcb232a837b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3192	98c6b6fe85f940f647fb9dcb232a837b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3192	98c6b6fe85f940f647fb9dcb232a837b.exe
Token: SeDebugPrivilege	3192	98c6b6fe85f940f647fb9dcb232a837b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4972	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86
PID 3192 wrote to memory of 4972	3192	98c6b6fe85f940f647fb9dcb232a837b.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\98c6b6fe85f940f647fb9dcb232a837b.exe
  "C:\Users\Admin\AppData\Local\Temp\98c6b6fe85f940f647fb9dcb232a837b.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3192
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\loggsdsce\logs.dat

Filesize
184B

MD5
fdbd83fbd7f6c41f078fb8523ee45344

SHA1
66aad83bd01a67b3e53f60c3fef49ce50eb8d111

SHA256
86f6d40e718a09cf93ceea2c90fc00fd464ed80af302db123a52aacf526e94fa

SHA512
568350edc53c97e0dbb469db6ce3dba73eff8e913641893aa001cb32f66d598dadc59b7d9de2c98b0fd57002927678b2f02885b3380f5540962d13b5c46c9237

Download Submit
memory/3192-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/3192-1-0x0000000000790000-0x00000000008BC000-memory.dmp

Filesize
1.2MB

Download
memory/3192-2-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-3-0x0000000005250000-0x000000000536C000-memory.dmp

Filesize
1.1MB

Download
memory/3192-4-0x00000000054E0000-0x00000000055FC000-memory.dmp

Filesize
1.1MB

Download
memory/3192-18-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-20-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-60-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-68-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-66-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-64-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-62-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-56-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-54-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-52-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-50-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-48-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-44-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-42-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-38-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-36-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-34-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-32-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-28-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-26-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-24-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-22-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-16-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-14-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-12-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-10-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-8-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-6-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-58-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-46-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-40-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-30-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-5-0x00000000054E0000-0x00000000055F7000-memory.dmp

Filesize
1.1MB

Download
memory/3192-1077-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-1078-0x00000000056A0000-0x0000000005738000-memory.dmp

Filesize
608KB

Download
memory/3192-1079-0x00000000057A0000-0x00000000057EC000-memory.dmp

Filesize
304KB

Download
memory/3192-1083-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-1084-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-1086-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-1085-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-1087-0x00000000060A0000-0x0000000006644000-memory.dmp

Filesize
5.6MB

Download
memory/3192-1088-0x0000000005820000-0x0000000005874000-memory.dmp

Filesize
336KB

Download
memory/3192-1093-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-1094-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4972-1107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download