remcos | 224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5

General

Target

Payment_advise USD75,000.exe
Size

1.2MB
MD5

0e43d0bcdb55ef41cc9e2d4801e7c27f
SHA1

2dbb0488aaf9fb38a190fbd29a8c1d1e652138e1
SHA256

224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5
SHA512

96c2a1dfd0c56c98ec81016553d0fec248aad2886ae2dd7a90964cb509a9862a48a8cbac19689f1850cf6099a496d9e829701646b5c6675c7800df653b7d7a9d
SSDEEP

24576:6Mvntm93k/PFrLuhNoGHCstvZW+N4od77iyziq7z+bOrwQtE86t:6Sm93UFrWCstvwg4od2yuqCbOrBy

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.245.123.14:2404

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-3DXQCZ
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

Processes:

powershell.exe

pid process

2836 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_advise USD75,000.exe

description pid process target process

PID 1128 set thread context of 2896 1128 Payment_advise USD75,000.exe Payment_advise USD75,000.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2836	powershell.exe

description	pid	process	target process
PID 1128 set thread context of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe

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

Processes:

Payment_advise USD75,000.exepowershell.exeschtasks.exePayment_advise USD75,000.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment_advise USD75,000.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	Payment_advise USD75,000.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

Processes:

schtasks.exe

pid process

3000 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Payment_advise USD75,000.exepowershell.exe

pid process

1128 Payment_advise USD75,000.exe
1128 Payment_advise USD75,000.exe
2836 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_advise USD75,000.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1128 Payment_advise USD75,000.exe
Token: SeDebugPrivilege 2836 powershell.exe

pid	process
3000	schtasks.exe

pid	process
1128	Payment_advise USD75,000.exe
1128	Payment_advise USD75,000.exe
2836	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1128	Payment_advise USD75,000.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Payment_advise USD75,000.exe

description	pid	process	target process
PID 1128 wrote to memory of 2836	1128	Payment_advise USD75,000.exe	powershell.exe
PID 1128 wrote to memory of 2836	1128	Payment_advise USD75,000.exe	powershell.exe
PID 1128 wrote to memory of 2836	1128	Payment_advise USD75,000.exe	powershell.exe
PID 1128 wrote to memory of 2836	1128	Payment_advise USD75,000.exe	powershell.exe
PID 1128 wrote to memory of 3000	1128	Payment_advise USD75,000.exe	schtasks.exe
PID 1128 wrote to memory of 3000	1128	Payment_advise USD75,000.exe	schtasks.exe
PID 1128 wrote to memory of 3000	1128	Payment_advise USD75,000.exe	schtasks.exe
PID 1128 wrote to memory of 3000	1128	Payment_advise USD75,000.exe	schtasks.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 1128 wrote to memory of 2896	1128	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe

C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SnELYcvsaaa.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SnELYcvsaaa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA6E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3000
- C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEA6E.tmp

Filesize
1KB

MD5
bc1e02ff603bf5672b665b294dcf5bee

SHA1
98ea087f3c338fea1891c64aca4b046d71f02df6

SHA256
6d94e8c63cf8d0d6eb97cce7b513250da3f21c758cd7338444aef9713231111f

SHA512
146c1e7f906cbb80befe59ee1b50680b6ba3af8563b2b2ebdb5a871fb30d1fad2f0f6f93495e02c4c696e2ccca9d6dc1641d558393b2a417cf60646af116d517

Download Submit
memory/1128-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1128-1-0x0000000000D50000-0x0000000000E8E000-memory.dmp

Filesize
1.2MB

Download
memory/1128-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1128-3-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/1128-4-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1128-5-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1128-6-0x00000000052C0000-0x0000000005384000-memory.dmp

Filesize
784KB

Download
memory/1128-31-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads