remcos | 0313c7a5d73a613b775f28f1aaa5186b1f526b773e05e14f7fbcad1103d9f0c0

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 07:02

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General

Target

Nuevo orden.exe
Size

1.2MB
MD5

8614fbae9f60c8c4ce300e71cf9f13c4
SHA1

46f47264d2da2ba48b43f5450243e54cd1525615
SHA256

0313c7a5d73a613b775f28f1aaa5186b1f526b773e05e14f7fbcad1103d9f0c0
SHA512

e0e54d16cd7b862d2bdd6916a64aa7f3efe978ddb0077cd6153b149960229e4b438c2927909d41b42a57781c4cda02778201f552f735bb61db35869a915a709f
SSDEEP

24576:Z8SOnWMvyCyCTdIoCApWzpefFQyqLKEr0pPD8EE0y5MDI:UnW2yCyCpIjefFQyqepDM5MDI

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

2.58.56.182:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-GM05WY
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
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2720	powershell.exe
2064	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 3012	1560	Nuevo orden.exe	36

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nuevo orden.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nuevo orden.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1560	Nuevo orden.exe
1560	Nuevo orden.exe
2720	powershell.exe
2064	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1560	Nuevo orden.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	2064	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 2720	1560	Nuevo orden.exe	29
PID 1560 wrote to memory of 2720	1560	Nuevo orden.exe	29
PID 1560 wrote to memory of 2720	1560	Nuevo orden.exe	29
PID 1560 wrote to memory of 2720	1560	Nuevo orden.exe	29
PID 1560 wrote to memory of 2064	1560	Nuevo orden.exe	31
PID 1560 wrote to memory of 2064	1560	Nuevo orden.exe	31
PID 1560 wrote to memory of 2064	1560	Nuevo orden.exe	31
PID 1560 wrote to memory of 2064	1560	Nuevo orden.exe	31
PID 1560 wrote to memory of 2616	1560	Nuevo orden.exe	32
PID 1560 wrote to memory of 2616	1560	Nuevo orden.exe	32
PID 1560 wrote to memory of 2616	1560	Nuevo orden.exe	32
PID 1560 wrote to memory of 2616	1560	Nuevo orden.exe	32
PID 1560 wrote to memory of 2464	1560	Nuevo orden.exe	35
PID 1560 wrote to memory of 2464	1560	Nuevo orden.exe	35
PID 1560 wrote to memory of 2464	1560	Nuevo orden.exe	35
PID 1560 wrote to memory of 2464	1560	Nuevo orden.exe	35
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36
PID 1560 wrote to memory of 3012	1560	Nuevo orden.exe	36

C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe
"C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JeUXGeN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2064
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JeUXGeN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5042.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe
  "C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe"
  2⤵
  PID:2464
- C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe
  "C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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\Local\Temp\tmp5042.tmp

Filesize
1KB

MD5
4dfd5d203e4584963cb4a318471df5d0

SHA1
dd471ce8f898df7c777980ffedf6e1036edbf22e

SHA256
33a07cd7432b083694726f42683d8335a4dea28d7ab43913eef3bdef3fe29e35

SHA512
f85b95395457f454566983ceb7fab8fd24d22608dc911cf0e2862d4a858f6f35654bb8d93eca612f5d7eaf9f8c5757dc9b86f72e247292bf49f0995fdd2090e0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7dc1aa267cdc434dc1deb1bdc24c6cf6

SHA1
3645adfa80a40dafbee4da3be86dd78cbd036c76

SHA256
1ab281045155da14513aa45e9b6dca720e9571444dfa63a3a720cb9346867927

SHA512
dbc580b6a2b133fec59e0ed6aede80e5beb5742dd586b82721443168ae6bc69ccf4258141a4df3e53c9e4be5d85944b389938f4b3f6ca27170b93996d5716462

Download Submit
memory/1560-3-0x00000000003D0000-0x00000000003EE000-memory.dmp

Filesize
120KB

Download
memory/1560-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1560-1-0x0000000000180000-0x00000000002B6000-memory.dmp

Filesize
1.2MB

Download
memory/1560-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1560-4-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1560-5-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1560-6-0x0000000005E80000-0x0000000005F44000-memory.dmp

Filesize
784KB

Download
memory/1560-36-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3012-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download