remcos | 5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd

General

Target

5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe
Size

913KB
MD5

5a1a4200ce20d69530ca2b5ea575ef4a
SHA1

00e5d156420606a6ee6da8b37f11f5a561376146
SHA256

5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
SHA512

7f46f8ab217230a031cfdd377833dfd416d2a64be9ebfd289faba9bbabb77347697d3404faaa72e01e262f6d25277a87ca18f64fe2e7240aa883684f150d82db
SSDEEP

24576:rRAaN6zclYJQqEllY8ZE0TdGuHSbSnsUQKnBgfzoP:rRXscmJXV0tsInB4

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.243.155:7643

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-C9YEJ8
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2880	powershell.exe
2696	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.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 2 IoCs

pid	Process
2880	powershell.exe
2696	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
804	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2880	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	30
PID 2784 wrote to memory of 2880	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	30
PID 2784 wrote to memory of 2880	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	30
PID 2784 wrote to memory of 2880	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	30
PID 2784 wrote to memory of 2696	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	32
PID 2784 wrote to memory of 2696	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	32
PID 2784 wrote to memory of 2696	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	32
PID 2784 wrote to memory of 2696	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	32
PID 2784 wrote to memory of 2580	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	34
PID 2784 wrote to memory of 2580	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	34
PID 2784 wrote to memory of 2580	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	34
PID 2784 wrote to memory of 2580	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	34
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36
PID 2784 wrote to memory of 804	2784	5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe	36

C:\Users\Admin\AppData\Local\Temp\5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe
"C:\Users\Admin\AppData\Local\Temp\5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- 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\5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OzYxABbJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OzYxABbJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82B7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2580
- C:\Users\Admin\AppData\Local\Temp\5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe
  "C:\Users\Admin\AppData\Local\Temp\5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:804

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
d85fc13b9f3b12bf1aa24eb23177b227

SHA1
d70e2e6bcead4bc3d71829aeabd433e8e620a2b4

SHA256
1d50daac42f49a45ec85b7095867b22c224107655b96b64127f6cdc9cde1ba72

SHA512
776c61f5e79bdbc16d344d3b6f028dc01499eac3234b3195fd0c22f55c59c191342e42bf7ed0b18681d687f54656e87629bf876ef3ebdd6341a0317714e5fec1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp82B7.tmp

Filesize
1KB

MD5
b926e0e348e9a3f8c60da0ba4dba02f2

SHA1
714a12bd0f2a96696feebcd93373c4519b78154d

SHA256
eb6db864658bc077af53091c67bdc507fddedccd7058ae210c11a4a3ac51cadc

SHA512
61a51bb07125eee8c4c4dc63949d439440eaf20da3310c92501e04a3f5259579a2d985273bbfc9131c6c1cbf29f3d6bfe36224171dd9e0a4141af8d570f5be56

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9L99GK6MIPXSQZB8NSWL.temp

Filesize
7KB

MD5
d3ac982d635f7fe2823364e91787761c

SHA1
583288368258746832c9a19cabc92f4f448a550b

SHA256
70754ba73708dede3a4b854fc40302ccd570e8a66798428df09492c05ce8c10f

SHA512
af06ab05d421a7d7424b859c5ea67faae54357dd81bcc29ed374de0be0cc30df0ad7d1ff4fc36cec968240763fed803a30195aa4f9822941fca115ba54a4c031

Download Submit
memory/804-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/804-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/804-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-43-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2784-1-0x0000000000FB0000-0x000000000109A000-memory.dmp

Filesize
936KB

Download
memory/2784-4-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2784-6-0x0000000005090000-0x0000000005150000-memory.dmp

Filesize
768KB

Download
memory/2784-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2784-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2784-3-0x00000000005C0000-0x00000000005D8000-memory.dmp

Filesize
96KB

Download
memory/2784-5-0x0000000074410000-0x0000000074AFE000-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