remcos | d089b6c6422771f421e1f0674be50b205452323b348b0c397ab3459ec513c13a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 03:33

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General

Target

Pagamento.UniCredit.pdf.exe
Size

16KB
MD5

6d99c0cd5292f377d7334ad0a90a19f4
SHA1

6de58e451707b34166dc132876d4c726dbb85e59
SHA256

9b91f38ed7a92a5b3223698c5be0bb0daaa1230981501fd306f5b30744317bbc
SHA512

537df3bcfcc37ca896dd3cff9d28509c4e1b64374ca6d7a601fcbdb424dc6292fe92a9e61cdb3b509cd3b02e60ca821489ec4cce2f540aabd4ded143853f6361
SSDEEP

192:F3qy1lV+ZfxqFkyPx6UhTv/d/qI0CgQRHzLbGL3HsOe0U/IkG+grXDunbDeY:v1afxhKzfqtCjVE8Oe9+XDunbDe

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
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
Remcos family
remcos
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

description pid process target process

PID 452 created 3432 452 Pagamento.UniCredit.pdf.exe Explorer.EXE

description	pid	process	target process
PID 452 created 3432	452	Pagamento.UniCredit.pdf.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EvidenceObject.vbs	Pagamento.UniCredit.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

description pid process target process

PID 452 set thread context of 3544 452 Pagamento.UniCredit.pdf.exe InstallUtil.exe

description	pid	process	target process
PID 452 set thread context of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe

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

Processes:

Pagamento.UniCredit.pdf.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Pagamento.UniCredit.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

pid process

452 Pagamento.UniCredit.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

description pid process

Token: SeDebugPrivilege 452 Pagamento.UniCredit.pdf.exe
Token: SeDebugPrivilege 452 Pagamento.UniCredit.pdf.exe

pid	process
452	Pagamento.UniCredit.pdf.exe

description	pid	process
Token: SeDebugPrivilege	452	Pagamento.UniCredit.pdf.exe
Token: SeDebugPrivilege	452	Pagamento.UniCredit.pdf.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Pagamento.UniCredit.pdf.exe

description	pid	process	target process
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe
PID 452 wrote to memory of 3544	452	Pagamento.UniCredit.pdf.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\Pagamento.UniCredit.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Pagamento.UniCredit.pdf.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:452
- 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
  PID:3544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/452-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/452-1-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/452-2-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-3-0x0000000006110000-0x0000000006238000-memory.dmp

Filesize
1.2MB

Download
memory/452-4-0x00000000067F0000-0x0000000006D94000-memory.dmp

Filesize
5.6MB

Download
memory/452-5-0x0000000006340000-0x00000000063D2000-memory.dmp

Filesize
584KB

Download
memory/452-19-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-31-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-55-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-69-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-67-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-65-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-63-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-62-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-59-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-57-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-53-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-51-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-49-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-47-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-45-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-43-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-42-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-39-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-37-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-35-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-29-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-27-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-25-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-23-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-21-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-17-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-15-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-13-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-11-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-9-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-7-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-33-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-6-0x0000000006110000-0x0000000006231000-memory.dmp

Filesize
1.1MB

Download
memory/452-1156-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1157-0x0000000006450000-0x00000000064E6000-memory.dmp

Filesize
600KB

Download
memory/452-1158-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/452-1159-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/452-1160-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1161-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1162-0x0000000005BF0000-0x0000000005C44000-memory.dmp

Filesize
336KB

Download
memory/452-1167-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1171-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1169-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1172-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/452-1179-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3544-1178-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3544-1185-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download