remcos | 2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 02:35

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General

Target

2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
Size

1014KB
MD5

207841acef29b5c400c1c5f2dab09a23
SHA1

f114dac28a6aab09d2df8a58c49944f46077e682
SHA256

2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5
SHA512

97a077d0c1e31d500229e05e1d18f8c5b07d58d31467df7fc3d1068596774ed2536eec36eb4ec34182e1506c7d6d9db3efe0ffa3efbb690acd1df9cee29c6017
SSDEEP

12288:i5t6WhRSUun4dsUU9twXU6H4YOzXXo26Jj3vyQY2ZPLreFRqstME8sGQRu/dlIH/:c6NnicX6raXo3p3bZP0RWMRuvFKNUS

Score

10^/10

remcos 54436 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

54436

jandupdate873.webredirect.org:45688

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
538-8Q7AZ1
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
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

pid	Process
2168	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.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 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	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.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	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.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
3052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
2168	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
Token: SeDebugPrivilege	2168	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 2168	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	30
PID 1128 wrote to memory of 2168	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	30
PID 1128 wrote to memory of 2168	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	30
PID 1128 wrote to memory of 2168	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	30
PID 1128 wrote to memory of 3052	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	32
PID 1128 wrote to memory of 3052	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	32
PID 1128 wrote to memory of 3052	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	32
PID 1128 wrote to memory of 3052	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	32
PID 1128 wrote to memory of 2480	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	34
PID 1128 wrote to memory of 2480	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	34
PID 1128 wrote to memory of 2480	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	34
PID 1128 wrote to memory of 2480	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	34
PID 1128 wrote to memory of 3016	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	35
PID 1128 wrote to memory of 3016	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	35
PID 1128 wrote to memory of 3016	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	35
PID 1128 wrote to memory of 3016	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	35
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36
PID 1128 wrote to memory of 2976	1128	2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe	36

C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
"C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.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\jrGvlsRbXsS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2168
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jrGvlsRbXsS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1A8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3052
- C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe"
  2⤵
  PID:2480
- C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe"
  2⤵
  PID:3016
- C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc219aa0c642b6064f467a9abe85ccf81dfd0191377fa4453863384f22b5fa5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976

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\tmpE1A8.tmp

Filesize
1KB

MD5
fa6ff8aa954e3e3c50df9730ab6bc3d2

SHA1
94834214dbc348e9c06ba7a35f14dab9e306d1fb

SHA256
efbdf59ceddbb778bd802c0adba40512b600e3fcde751f41ef76d25efa9ef8c5

SHA512
6eda1ac088dea98b6faa1208e048296d8560c53bd7e4178aef4c384899d559aa0314cbd57e1b8548319b52c68e1c3e46b7e7002e7fb27d879749e3ff829d19ad

Download Submit
memory/1128-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1128-1-0x00000000000A0000-0x00000000001A4000-memory.dmp

Filesize
1.0MB

Download
memory/1128-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1128-3-0x0000000000850000-0x0000000000876000-memory.dmp

Filesize
152KB

Download
memory/1128-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1128-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1128-6-0x0000000005BB0000-0x0000000005C70000-memory.dmp

Filesize
768KB

Download
memory/1128-35-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2976-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download