remcos | 430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 08:48

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General

Target

430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Size

885KB
MD5

4486c981feaebbbd36fed46237157836
SHA1

c8c48956dadaf9c71fbcb95ccbb27771071f777f
SHA256

430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5
SHA512

483cb6ca50611ee90f3958d9acee301969503e821352fdfc7e4d84617249bea2bfb72006fd3d9c56156813fcc29a44c39016f5854e83b78757a0a29ea68b6cb6
SSDEEP

24576:uzDv0aPkkju5aJKQQBvHG5571qWU9ujI:unjPjcakQ77/U9

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:52121

officerem.duckdns.org:52121

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-6GPUH1
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

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
2968	powershell.exe
4180	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3580 set thread context of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94

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	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
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	RegSvcs.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
5100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
4180	powershell.exe
2968	powershell.exe
3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
4180	powershell.exe
2968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Token: SeDebugPrivilege	4180	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4180	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	87
PID 3580 wrote to memory of 4180	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	87
PID 3580 wrote to memory of 4180	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	87
PID 3580 wrote to memory of 2968	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	89
PID 3580 wrote to memory of 2968	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	89
PID 3580 wrote to memory of 2968	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	89
PID 3580 wrote to memory of 5100	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	91
PID 3580 wrote to memory of 5100	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	91
PID 3580 wrote to memory of 5100	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	91
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94
PID 3580 wrote to memory of 2852	3580	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	94

C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
"C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580
- 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\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4180
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OdQDwgVqjDzll.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OdQDwgVqjDzll" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB517.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5100
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
53394de9022ab53eae1d5446639b3b58

SHA1
ad31ca527e1fb2bdd6606ed1c4ffe64fa1fbb3a8

SHA256
06de2ba54962fae94a0e8b56aef25924f8cae63ccf41853a50248cb376448372

SHA512
af2fb28efdbfe183bf810bd91411fabd7465671a66b7d7d56d3bc621796062db5ccbaec2242966eded2c55421274cba73ece4e8b008b5e51dcec40ec382e073f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0efqkpaf.5sa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB517.tmp

Filesize
1KB

MD5
909fb42db708d6959a644a4f53c48a45

SHA1
5ae6f2132e581d713ed04ee7f7b33fe9d2eeedca

SHA256
176d6a6552d24d11414be0d6fa0b9a2ce8fba759d33880f4522951cdc870ad3c

SHA512
9d078c317b1eac227269817274371077989f5c55c26801e2a6a72a9f4e2ec33f20715ab4b63126af5eff42c3821474af6d9f8e882df93b381cc19846ab40216f

Download Submit
memory/2852-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2968-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-80-0x0000000007570000-0x0000000007606000-memory.dmp

Filesize
600KB

Download
memory/2968-85-0x0000000007530000-0x0000000007544000-memory.dmp

Filesize
80KB

Download
memory/2968-24-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-82-0x00000000074F0000-0x0000000007501000-memory.dmp

Filesize
68KB

Download
memory/2968-87-0x0000000007610000-0x0000000007618000-memory.dmp

Filesize
32KB

Download
memory/2968-45-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-79-0x0000000007360000-0x000000000736A000-memory.dmp

Filesize
40KB

Download
memory/2968-78-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/2968-77-0x0000000007940000-0x0000000007FBA000-memory.dmp

Filesize
6.5MB

Download
memory/2968-93-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-56-0x00000000750F0000-0x000000007513C000-memory.dmp

Filesize
304KB

Download
memory/2968-75-0x0000000006F90000-0x0000000006FAE000-memory.dmp

Filesize
120KB

Download
memory/3580-9-0x0000000008BF0000-0x0000000008CAE000-memory.dmp

Filesize
760KB

Download
memory/3580-10-0x000000000B480000-0x000000000B51C000-memory.dmp

Filesize
624KB

Download
memory/3580-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/3580-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/3580-51-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3580-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/3580-6-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3580-8-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3580-4-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3580-7-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/3580-1-0x0000000000370000-0x0000000000454000-memory.dmp

Filesize
912KB

Download
memory/3580-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/4180-52-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/4180-86-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/4180-84-0x00000000078F0000-0x00000000078FE000-memory.dmp

Filesize
56KB

Download
memory/4180-76-0x0000000007390000-0x0000000007433000-memory.dmp

Filesize
652KB

Download
memory/4180-54-0x0000000007350000-0x0000000007382000-memory.dmp

Filesize
200KB

Download
memory/4180-94-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-55-0x00000000750F0000-0x000000007513C000-memory.dmp

Filesize
304KB

Download
memory/4180-53-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/4180-44-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-34-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/4180-20-0x00000000054E0000-0x0000000005502000-memory.dmp

Filesize
136KB

Download
memory/4180-21-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/4180-23-0x0000000005D70000-0x0000000005DD6000-memory.dmp

Filesize
408KB

Download
memory/4180-18-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-17-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/4180-15-0x0000000002A80000-0x0000000002AB6000-memory.dmp

Filesize
216KB

Download