remcos | e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 02:47

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General

Target

e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
Size

939KB
MD5

ca330ebb67c44998be8383a64695ee01
SHA1

d12a274d4ca5a31dc1d6d50eb37716fa6fd30289
SHA256

e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0
SHA512

44e667e246ca5cbdb1613f86fdd67bc9128612fbaba507bf0d2278b128d6cd9de4b7d1435da99846af2be369d19db05c09c394ce45b4d0d86efaf4211dd4832d
SSDEEP

12288:90R0dF0bI2GYGlbThYHjb7cQwi3xSDBRAqb0TW85LE2kdyMV077HcQCE6lV:90R2WbJGlHEQYSUI8BkHnQ0l

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

dpm-sael.com:2017

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
meckus-ODY51K
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

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
1480	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97

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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.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
4100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1480	powershell.exe
1480	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4272	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1480	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	93
PID 2484 wrote to memory of 1480	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	93
PID 2484 wrote to memory of 1480	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	93
PID 2484 wrote to memory of 4100	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	95
PID 2484 wrote to memory of 4100	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	95
PID 2484 wrote to memory of 4100	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	95
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97
PID 2484 wrote to memory of 4272	2484	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	97

C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
"C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hshVFxw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hshVFxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF30.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4100
- C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
  "C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4272

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
eacae9e8ec8f5ee54bd316c5978ce098

SHA1
c91208a819d60c480699d89bfb27b8b60d4d6f3e

SHA256
16fd97419b6432286920ce2248ed46afc15aaabb9a78ff33578053c4aab5a48a

SHA512
057ad8eb7c3c33e0135b634c0250de24ebbd953303590785fabd9e7a5f7f5ae0d9f481559b60e07f04137cbbbaeb31279dd5a3f11cf6a3f731b92d4deb38eb1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hoy1parh.fh2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFF30.tmp

Filesize
1KB

MD5
41bb9e5fc67c01a88d7e395ff45c2bb2

SHA1
90c746b94500aa91312b29d921ec6bc4cffe572d

SHA256
cc70511fe4fe75069a9a15ffab2a0b3c82284ac76e055dccd7ed3af4f316050f

SHA512
e32effb18d4b5e8a14c09559ea424ebe0fdf32b156f42c8b746c17d27215c30ba5469aa64ad8520efbadc07e6c66c9f6c0f7f599cc2b48aee6b79007eb7bd58d

Download Submit
memory/1480-66-0x0000000007150000-0x000000000715A000-memory.dmp

Filesize
40KB

Download
memory/1480-70-0x0000000007320000-0x0000000007334000-memory.dmp

Filesize
80KB

Download
memory/1480-62-0x0000000006360000-0x000000000637E000-memory.dmp

Filesize
120KB

Download
memory/1480-45-0x0000000006310000-0x000000000635C000-memory.dmp

Filesize
304KB

Download
memory/1480-51-0x00000000063A0000-0x00000000063D2000-memory.dmp

Filesize
200KB

Download
memory/1480-64-0x0000000007720000-0x0000000007D9A000-memory.dmp

Filesize
6.5MB

Download
memory/1480-65-0x00000000070E0000-0x00000000070FA000-memory.dmp

Filesize
104KB

Download
memory/1480-67-0x0000000007360000-0x00000000073F6000-memory.dmp

Filesize
600KB

Download
memory/1480-15-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download
memory/1480-16-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1480-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp

Filesize
6.2MB

Download
memory/1480-52-0x0000000071530000-0x000000007157C000-memory.dmp

Filesize
304KB

Download
memory/1480-19-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1480-43-0x0000000005A10000-0x0000000005D64000-memory.dmp

Filesize
3.3MB

Download
memory/1480-68-0x00000000072E0000-0x00000000072F1000-memory.dmp

Filesize
68KB

Download
memory/1480-44-0x0000000005E20000-0x0000000005E3E000-memory.dmp

Filesize
120KB

Download
memory/1480-69-0x0000000007310000-0x000000000731E000-memory.dmp

Filesize
56KB

Download
memory/1480-63-0x0000000006D90000-0x0000000006E33000-memory.dmp

Filesize
652KB

Download
memory/1480-75-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1480-72-0x0000000007400000-0x0000000007408000-memory.dmp

Filesize
32KB

Download
memory/1480-32-0x0000000004E80000-0x0000000004EE6000-memory.dmp

Filesize
408KB

Download
memory/1480-71-0x0000000007420000-0x000000000743A000-memory.dmp

Filesize
104KB

Download
memory/1480-31-0x0000000004E10000-0x0000000004E76000-memory.dmp

Filesize
408KB

Download
memory/1480-30-0x0000000004D70000-0x0000000004D92000-memory.dmp

Filesize
136KB

Download
memory/2484-2-0x0000000006020000-0x00000000065C4000-memory.dmp

Filesize
5.6MB

Download
memory/2484-29-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/2484-1-0x0000000000F40000-0x0000000001030000-memory.dmp

Filesize
960KB

Download
memory/2484-4-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/2484-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/2484-10-0x0000000009460000-0x00000000094FC000-memory.dmp

Filesize
624KB

Download
memory/2484-0-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/2484-9-0x0000000006DB0000-0x0000000006E70000-memory.dmp

Filesize
768KB

Download
memory/2484-8-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/2484-7-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/2484-6-0x0000000005E20000-0x0000000005E38000-memory.dmp

Filesize
96KB

Download
memory/2484-5-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4272-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4272-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download