remcos | 73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 01:27

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General

Target

73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
Size

962KB
MD5

094a5d7931f64c66d76b0fe5cc728262
SHA1

4a3cbbe7590ab3e7cd3c40fc62558aaaa251a3e8
SHA256

73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c
SHA512

c2b31f3aca35b2e048e1fa10a6f8ed972097651a0fb85be675e0b7ea8765e04ba7b1f68be8c5bef25f919dff56c49b139e5d1ef4cad4c472ed0dc281ee4905aa
SSDEEP

12288:AfOzlAPrLGY72HiM2AUpGNSfIKsAW1Nunhe2z8JBvR1unEhyDsRiWnze6EzyskDF:AfglYKG2Kwb3unMLBvh8sRdS6rd8Qt

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

212.162.149.42:7118

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-WYBPPO
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

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
2612	powershell.exe
2712	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38

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	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.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
2620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2712	powershell.exe
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2612	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 2140 wrote to memory of 2612	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 2140 wrote to memory of 2612	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 2140 wrote to memory of 2612	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 2140 wrote to memory of 2712	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	33
PID 2140 wrote to memory of 2712	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	33
PID 2140 wrote to memory of 2712	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	33
PID 2140 wrote to memory of 2712	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	33
PID 2140 wrote to memory of 2620	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	34
PID 2140 wrote to memory of 2620	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	34
PID 2140 wrote to memory of 2620	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	34
PID 2140 wrote to memory of 2620	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	34
PID 2140 wrote to memory of 536	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	37
PID 2140 wrote to memory of 536	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	37
PID 2140 wrote to memory of 536	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	37
PID 2140 wrote to memory of 536	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	37
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38
PID 2140 wrote to memory of 2772	2140	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	38

C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
"C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- 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\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OsUSvlotOYeups.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OsUSvlotOYeups" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4940.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2620
- C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
  "C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
  2⤵
  PID:536
- C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
  "C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4940.tmp

Filesize
1KB

MD5
a472d5a6e3bd7e2d43a4afc9005d499a

SHA1
2e5d17260fd9df9ede06073edd405d69393fea04

SHA256
1ef21a32ab5a3fc8a58444333a6fc2c335a65d989ee05e9d6a6e432947edccfe

SHA512
00c6b51a1884504e3bc938268a701890039d32f7b9e7b7955c66be322c9f26091a41c3bcdf7cca953b7dc81573013e79add108af93101391327f8b9451eeaef1

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

Filesize
7KB

MD5
a2ef3b88340efecbc8cae446fbe8ac00

SHA1
e93225ef4a2449146e55e661ace0c0ae28c6613b

SHA256
195d4306d8a0308961d5ae9f7b17c124fab722f81c548af71184beb35ac7bce1

SHA512
1cc9eb72f30501a538344b0c8e147c55a24cc84b7703b6be1c883292c801fa17e25a49f416acff769c7d086f3359c7f667c928282f389130997b034f50c45e58

Download Submit
memory/2140-39-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1-0x0000000000860000-0x0000000000954000-memory.dmp

Filesize
976KB

Download
memory/2140-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2140-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-6-0x0000000005BE0000-0x0000000005C9E000-memory.dmp

Filesize
760KB

Download
memory/2140-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2772-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download