remcos | 0ccf18985ae70f2004c2ccc11f470b7bbd0884fce623a606a67b2e4e66916791

Resubmissions

07-01-2025 09:02

250107-kzxrzswlej 8

07-01-2025 08:16

250107-j6k64atreq 10

17-12-2024 14:09

241217-rf4vhs1mbz 8

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 08:16

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General

Target

ecome.exe
Size

1.1MB
MD5

387a4f5a3791b3467434add8798e156c
SHA1

3eb4d42ca10ca4705bd8e6411e09b31b8f04914e
SHA256

0ccf18985ae70f2004c2ccc11f470b7bbd0884fce623a606a67b2e4e66916791
SHA512

7ad99b695ca917759de3bb75bc1f449f80b6b8d44b081b2036e4824a82847df4990c21862b49c71da79d3d4c3e115bcb3edea8b10e7a445be66dfa8da9cb1eff
SSDEEP

24576:lPSbyKdceodVn4sgUmwzzjKsjOxXVsCdPd+p:JgxebtgIznKaKsCdPsp

Score

10^/10

remcos elvis discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

elvis

107.173.4.16:2560

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-GJDISH
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5068	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	ecome.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 384 set thread context of 3276	384	ecome.exe	88

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 3 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	ecome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5068	powershell.exe
5068	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 5068	384	ecome.exe	84
PID 384 wrote to memory of 5068	384	ecome.exe	84
PID 384 wrote to memory of 5068	384	ecome.exe	84
PID 384 wrote to memory of 2484	384	ecome.exe	86
PID 384 wrote to memory of 2484	384	ecome.exe	86
PID 384 wrote to memory of 2484	384	ecome.exe	86
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88
PID 384 wrote to memory of 3276	384	ecome.exe	88

C:\Users\Admin\AppData\Local\Temp\ecome.exe
"C:\Users\Admin\AppData\Local\Temp\ecome.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QJXouGSsQAwOR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5068
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QJXouGSsQAwOR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC73.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3276

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

Query Registry

T1012

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\__PSScriptPolicyTest_soei1rpl.ol0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEC73.tmp

Filesize
1KB

MD5
b8cd10b5dc1353420c9225748036dcec

SHA1
f35ca8ed793668fc42772df4172403c62564ec97

SHA256
a3cab518ddf00f39e6390891fb1fe51c239692c553dc29922157cc1f92db28f9

SHA512
2172b4efabb7e9bf30cf6609720b305eef825dcf3bd2bd403dc5c5c72d28f64f31220e4843582b5136a4f6d8726027deb4e1333e25bbb6417e9addc91d083cea

Download Submit
memory/384-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/384-1-0x00000000006D0000-0x00000000007EA000-memory.dmp

Filesize
1.1MB

Download
memory/384-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/384-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/384-4-0x00000000053A0000-0x00000000056F4000-memory.dmp

Filesize
3.3MB

Download
memory/384-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/384-6-0x0000000005380000-0x000000000538A000-memory.dmp

Filesize
40KB

Download
memory/384-7-0x0000000006940000-0x0000000006966000-memory.dmp

Filesize
152KB

Download
memory/384-8-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/384-9-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/384-10-0x0000000007F90000-0x0000000008054000-memory.dmp

Filesize
784KB

Download
memory/384-11-0x000000000D970000-0x000000000DA0C000-memory.dmp

Filesize
624KB

Download
memory/384-31-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/3276-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-126-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-125-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-124-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-123-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-122-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-121-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-120-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-119-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-118-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-117-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-112-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-111-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-110-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-91-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-92-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3276-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5068-44-0x00000000757A0000-0x00000000757EC000-memory.dmp

Filesize
304KB

Download
memory/5068-19-0x0000000004D60000-0x0000000005388000-memory.dmp

Filesize
6.2MB

Download
memory/5068-65-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/5068-64-0x0000000007010000-0x0000000007024000-memory.dmp

Filesize
80KB

Download
memory/5068-63-0x0000000007000000-0x000000000700E000-memory.dmp

Filesize
56KB

Download
memory/5068-61-0x0000000006FD0000-0x0000000006FE1000-memory.dmp

Filesize
68KB

Download
memory/5068-60-0x0000000007050000-0x00000000070E6000-memory.dmp

Filesize
600KB

Download
memory/5068-59-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/5068-58-0x0000000006DD0000-0x0000000006DEA000-memory.dmp

Filesize
104KB

Download
memory/5068-57-0x0000000007410000-0x0000000007A8A000-memory.dmp

Filesize
6.5MB

Download
memory/5068-16-0x0000000002170000-0x00000000021A6000-memory.dmp

Filesize
216KB

Download
memory/5068-66-0x00000000070F0000-0x00000000070F8000-memory.dmp

Filesize
32KB

Download
memory/5068-42-0x0000000005AD0000-0x0000000005B1C000-memory.dmp

Filesize
304KB

Download
memory/5068-43-0x0000000006A50000-0x0000000006A82000-memory.dmp

Filesize
200KB

Download
memory/5068-69-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-41-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/5068-25-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/5068-30-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-28-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-24-0x0000000004C80000-0x0000000004CE6000-memory.dmp

Filesize
408KB

Download
memory/5068-22-0x0000000004A60000-0x0000000004A82000-memory.dmp

Filesize
136KB

Download
memory/5068-54-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/5068-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-56-0x0000000006C90000-0x0000000006D33000-memory.dmp

Filesize
652KB

Download