remcos | e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0

General

Target

e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
Size

939KB
MD5

ca330ebb67c44998be8383a64695ee01
SHA1

d12a274d4ca5a31dc1d6d50eb37716fa6fd30289
SHA256

e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0
SHA512

44e667e246ca5cbdb1613f86fdd67bc9128612fbaba507bf0d2278b128d6cd9de4b7d1435da99846af2be369d19db05c09c394ce45b4d0d86efaf4211dd4832d
SSDEEP

12288:90R0dF0bI2GYGlbThYHjb7cQwi3xSDBRAqb0TW85LE2kdyMV077HcQCE6lV:90R2WbJGlHEQYSUI8BkHnQ0l

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

C2

dpm-sael.com:2017

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
meckus-ODY51K
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

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

pid	Process
2724	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1052 set thread context of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.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	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.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
2304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2844	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2724	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	29
PID 1052 wrote to memory of 2724	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	29
PID 1052 wrote to memory of 2724	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	29
PID 1052 wrote to memory of 2724	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	29
PID 1052 wrote to memory of 2304	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	31
PID 1052 wrote to memory of 2304	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	31
PID 1052 wrote to memory of 2304	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	31
PID 1052 wrote to memory of 2304	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	31
PID 1052 wrote to memory of 2764	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	33
PID 1052 wrote to memory of 2764	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	33
PID 1052 wrote to memory of 2764	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	33
PID 1052 wrote to memory of 2764	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	33
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34
PID 1052 wrote to memory of 2844	1052	e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe	34

C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
"C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hshVFxw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hshVFxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2304
- C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
  "C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe"
  2⤵
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe
  "C:\Users\Admin\AppData\Local\Temp\e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2844

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
3e6c6a195bfde1b1702a23cfaddf10fb

SHA1
b97a17a6f8b9832b1c0d267347bcf43c5d793600

SHA256
2868667fc9bc0855dd4533a627330c0124e2b92869f32897a1f1fc8a4c618abc

SHA512
1487e53d85d266179a3b6de81e51730887d570847ceea7e080aad3d62c2af86dc8acfaf4bb3c46d23722b24aaed78ada32930c34355db230bab206c8c707fd53

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp

Filesize
1KB

MD5
9a43227ec31802f09a489588292b886c

SHA1
aaaaff8baf0cec7c39b7cb062f73e1f48648eea1

SHA256
acefbd4e4fe48506424991346b4dad91a8b0d10c83c8cfc5e90d3cc642be9476

SHA512
df1bb9cd06319cdd951bcc878998eb9324adf3c859467043fae48646b23256a72fc228f1d5edc029c3f0267c8c042c6d7e264c5e5ff560849000bff67717d4f2

Download Submit
memory/1052-0-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

Filesize
4KB

Download
memory/1052-1-0x0000000001000000-0x00000000010F0000-memory.dmp

Filesize
960KB

Download
memory/1052-2-0x0000000073B60000-0x000000007424E000-memory.dmp

Filesize
6.9MB

Download
memory/1052-3-0x0000000000980000-0x0000000000998000-memory.dmp

Filesize
96KB

Download
memory/1052-4-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

Filesize
4KB

Download
memory/1052-5-0x0000000073B60000-0x000000007424E000-memory.dmp

Filesize
6.9MB

Download
memory/1052-6-0x0000000004DF0000-0x0000000004EB0000-memory.dmp

Filesize
768KB

Download
memory/1052-37-0x0000000073B60000-0x000000007424E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2844-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2844-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads