remcos | 430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 08:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2524	powershell.exe
2980	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.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 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
2580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
2524	powershell.exe
2980	powershell.exe
1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	2980	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2524	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	29
PID 1780 wrote to memory of 2524	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	29
PID 1780 wrote to memory of 2524	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	29
PID 1780 wrote to memory of 2524	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	29
PID 1780 wrote to memory of 2980	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1780 wrote to memory of 2980	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1780 wrote to memory of 2980	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1780 wrote to memory of 2980	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1780 wrote to memory of 2580	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	32
PID 1780 wrote to memory of 2580	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	32
PID 1780 wrote to memory of 2580	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	32
PID 1780 wrote to memory of 2580	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	32
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35
PID 1780 wrote to memory of 2096	1780	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	35

C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
"C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780
- 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:2524
- 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:2980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OdQDwgVqjDzll" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3276.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2580
- 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:2096

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3276.tmp

Filesize
1KB

MD5
470e5760cc6435907641475bee5947f1

SHA1
3cea73610142f07bd9fdd315eb145c78e983205c

SHA256
28bf279cfb0f1732f378c2a0330950f76ada1d02e29db143e3a4b550c2fd153a

SHA512
5921d9c02f8feaa64e8e547f33b9e49c9b4cba916bf66ef658f783d9ed8755e6f03e287ac57dd2c80233494c7a9bf8e44d3bdb6b2e86e421caa4a647092ffa91

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\791AZ3T9P5E6PQDHTGYR.temp

Filesize
7KB

MD5
bb91f624025a4d46e5fb6ba0d53614f8

SHA1
6d21d4a42f23370a222da66bd8cc9f381f0d7f15

SHA256
087a57e6752f1ba51e4948cbcc2872b27cd42e3684fa394981106d48b0a28cf1

SHA512
98adbf049604f15c5bd808615a27c06a3ab657afa5bb96a167d8e1c869f1acd9150f38841415fc10b23de43c2edc24359b48e376fa142318a651eb29b06c680b

Download Submit
memory/1780-38-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-1-0x00000000000C0000-0x00000000001A4000-memory.dmp

Filesize
912KB

Download
memory/1780-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-3-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download
memory/1780-4-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1780-5-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-6-0x0000000005480000-0x000000000553E000-memory.dmp

Filesize
760KB

Download
memory/1780-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2096-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2096-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download