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
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-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
264	powershell.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 2396 set thread context of 3052	2396	ecome.exe	35

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
2296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
264	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	264	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 264	2396	ecome.exe	31
PID 2396 wrote to memory of 264	2396	ecome.exe	31
PID 2396 wrote to memory of 264	2396	ecome.exe	31
PID 2396 wrote to memory of 264	2396	ecome.exe	31
PID 2396 wrote to memory of 2296	2396	ecome.exe	33
PID 2396 wrote to memory of 2296	2396	ecome.exe	33
PID 2396 wrote to memory of 2296	2396	ecome.exe	33
PID 2396 wrote to memory of 2296	2396	ecome.exe	33
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35
PID 2396 wrote to memory of 3052	2396	ecome.exe	35

C:\Users\Admin\AppData\Local\Temp\ecome.exe
"C:\Users\Admin\AppData\Local\Temp\ecome.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- 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:264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QJXouGSsQAwOR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF69E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2296
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3052

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\tmpF69E.tmp

Filesize
1KB

MD5
2fd684f7fbaff4971de3e915c13882d7

SHA1
813285080a22820eb1c0239e9a680d1c08fd2c13

SHA256
8e7d4d80d52b6e76e123e5d0172ff98c8fb60fe429300a3f5019d6b0f7a5ead0

SHA512
b78d69a214cd71b59ad35909a91c1f7ab4a5550d2961c1eba8bfccce5ec2fad95900d664a76f401c5ba7f955a051fa5b322581608405ea037d0ef55f90b2f662

Download Submit
memory/2396-0-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x0000000001100000-0x000000000121A000-memory.dmp

Filesize
1.1MB

Download
memory/2396-2-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-3-0x00000000007C0000-0x00000000007E6000-memory.dmp

Filesize
152KB

Download
memory/2396-4-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2396-5-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-6-0x000000000A840000-0x000000000A904000-memory.dmp

Filesize
784KB

Download
memory/2396-29-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-26-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3052-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3052-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download