remcos | 430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 19:22

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General

Target

SecuriteInfo.com.Trojan.Packed2.48025.19608.243.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
2552	powershell.exe
2188	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37

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	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.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
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe
2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe
2188	powershell.exe
2552	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe
Token: SeDebugPrivilege	2188	powershell.exe
Token: SeDebugPrivilege	2552	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2552	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	31
PID 2196 wrote to memory of 2552	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	31
PID 2196 wrote to memory of 2552	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	31
PID 2196 wrote to memory of 2552	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	31
PID 2196 wrote to memory of 2188	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	33
PID 2196 wrote to memory of 2188	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	33
PID 2196 wrote to memory of 2188	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	33
PID 2196 wrote to memory of 2188	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	33
PID 2196 wrote to memory of 2860	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	35
PID 2196 wrote to memory of 2860	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	35
PID 2196 wrote to memory of 2860	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	35
PID 2196 wrote to memory of 2860	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	35
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37
PID 2196 wrote to memory of 2980	2196	SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe	37

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196
- 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\SecuriteInfo.com.Trojan.Packed2.48025.19608.243.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2552
- 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:2188
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OdQDwgVqjDzll" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B8C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2860
- 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:2980

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\tmp1B8C.tmp

Filesize
1KB

MD5
b95caf71a17183d36dc771001e0778a4

SHA1
bd940e2340ff08196cf423f7446fd4fc3a5854c1

SHA256
e3ce56afbaeb7dfc823a50d5ffd42dafbe401ddf35203e880b2df58a640506b5

SHA512
3209a0ae0bc224f6030d4ff72ae13405944aad409acbe772cdf4830fe3397291ac90e66415834d5232f783b96c632a6453e1f1e81c952a81edfe7ce7eb5c546b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
8a5e06d44cfbab1abcc165005d3fd3a7

SHA1
50acd08d2cc428592c1bddf439f6806be96391c6

SHA256
326451524621a8e2012238227162253f742c5c20fcbfadf56281d0f74a373e66

SHA512
ce41b327c9ef61812e7c05f1a247e024639e6ba66f7172971021e8e569beb914a47f8d575b9cde0babc22d6892831dec29bfd7f7b1444c80ccde917e9f65008a

Download Submit
memory/2196-40-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-1-0x0000000000260000-0x0000000000344000-memory.dmp

Filesize
912KB

Download
memory/2196-2-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-3-0x00000000008C0000-0x00000000008D2000-memory.dmp

Filesize
72KB

Download
memory/2196-4-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2196-5-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-6-0x0000000005340000-0x00000000053FE000-memory.dmp

Filesize
760KB

Download
memory/2196-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2980-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2980-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download