remcos | 27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652

General

Target

27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe
Size

1.1MB
MD5

d5261204d9c158b2bab4272f89f7df17
SHA1

11d82d35d6d5ef250b9cedf4d1f7cd98c0246546
SHA256

27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652
SHA512

2710b22611fca8f90c38c715755a4ec34eec2fd176df45c68c4712d6a5b2803643f09bc05d9d08eb2981f4985355e4d1259eb7a42c8766aabc3f9f1badef4564
SSDEEP

24576:bzls/WgXN832qWivcsegk5vQ2F+wK9ADZyM6RGk:YN832q7vwrQW+wYl

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2.58.56.182:2404

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-GM05WY
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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2760	powershell.exe
2848	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	powershell.exe
2848	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2760	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	29
PID 2236 wrote to memory of 2760	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	29
PID 2236 wrote to memory of 2760	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	29
PID 2236 wrote to memory of 2760	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	29
PID 2236 wrote to memory of 2848	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	31
PID 2236 wrote to memory of 2848	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	31
PID 2236 wrote to memory of 2848	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	31
PID 2236 wrote to memory of 2848	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	31
PID 2236 wrote to memory of 2688	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	33
PID 2236 wrote to memory of 2688	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	33
PID 2236 wrote to memory of 2688	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	33
PID 2236 wrote to memory of 2688	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	33
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35
PID 2236 wrote to memory of 1044	2236	27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe	35

C:\Users\Admin\AppData\Local\Temp\27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe
"C:\Users\Admin\AppData\Local\Temp\27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- 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\27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hYpnBXIk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hYpnBXIk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D3F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Users\Admin\AppData\Local\Temp\27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe
  "C:\Users\Admin\AppData\Local\Temp\27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044

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\tmp3D3F.tmp

Filesize
1KB

MD5
d7b5a923665426976fa5f8bbd610a0db

SHA1
76ec007c481713cabb1b6b603c755315aff94ef2

SHA256
fb576d25eca8206a18d9e5267ff9546b7fc3d48df9f3bd23b0b447bcde6313e3

SHA512
21c1a380a0b621e36600fad1d861ce49c367ab7e51efb652c178a8c629841c56599e97e7b808908e28bd8789f7a03c972d5a770775d7beddf970cc73c53a0811

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

Filesize
7KB

MD5
3580fe62c3dbca3116f0a86b96b3da4b

SHA1
3427b03fc985755a5b6f95bcc87608084c806b06

SHA256
737f8aa1573b8a851aa5601404f32e6ae5ddfd04479e4bdb225f3e55e5e02f53

SHA512
4a7376119af33447c7c84349ed9856d3295369215c8b9713747824621b4cf3d79a96f89f11ad6b241cf633c261d7b3d78576dbbf2f4f66cb8ceaf2f9858555a3

Download Submit
memory/1044-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1044-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1044-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2236-36-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-3-0x00000000006C0000-0x00000000006DE000-memory.dmp

Filesize
120KB

Download
memory/2236-6-0x000000000A420000-0x000000000A4E4000-memory.dmp

Filesize
784KB

Download
memory/2236-4-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2236-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x00000000009E0000-0x0000000000AFC000-memory.dmp

Filesize
1.1MB

Download
memory/2236-2-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-5-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads