remcos | 58b6cc9bef7c86291ce7c27353e925b340504b0c112c312a7c7c7ff885bc1c1a

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 09:23

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General

Target

7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
Size

924KB
MD5

8fd5f061761645838e92744a0722f87d
SHA1

565a31f86b886a26cc8c10ce3780a256e4157f55
SHA256

7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
SHA512

8d67b4408e987f2cf6fcd938058b2179bb36a703990c52b7a1cfc6058a4b568d7785a321782a0c2107091a1622e3f57e04a6109f851471e7f7064bda7b007122
SSDEEP

24576:K9o/NseOLSe+/1k38m8IyfhFTG7KQTCaAhkqG72:K2JarEZytpMGq

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2112	powershell.exe
2264	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.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	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
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	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.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
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
2264	powershell.exe
2112	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
Token: SeDebugPrivilege	2264	powershell.exe
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2060	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2112	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 3020 wrote to memory of 2112	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 3020 wrote to memory of 2112	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 3020 wrote to memory of 2112	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 3020 wrote to memory of 2264	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 3020 wrote to memory of 2264	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 3020 wrote to memory of 2264	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 3020 wrote to memory of 2264	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 3020 wrote to memory of 2660	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 3020 wrote to memory of 2660	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 3020 wrote to memory of 2660	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 3020 wrote to memory of 2660	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 3020 wrote to memory of 2808	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 3020 wrote to memory of 2808	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 3020 wrote to memory of 2808	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 3020 wrote to memory of 2808	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38
PID 3020 wrote to memory of 2060	3020	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	38

C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
"C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020
- 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\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pNamqURus.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNamqURus" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1796.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
  "C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
  2⤵
  PID:2808
- C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
  "C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2060

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
51c1020b5691a79b50594b78db9ecef5

SHA1
a8d89beab3f291a645537fc828dcd6541ec0ad53

SHA256
675f461773fe0f5e4436726ad35bd99ad3d91758bdd6ed326c07c8ef02bb8e5c

SHA512
a78cb21db2b6c3a9324efe20dc39248be0cc0d99922108af5aa55f05d34a246a952c88cf0633462f57a7ff59f0e2a96e21fa9562c30f6ce6f88596e1fed13150

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1796.tmp

Filesize
1KB

MD5
6bdcae2dc3c76f0cda1bb9c6019a4d2b

SHA1
4f7d30b57b1a9eece31170842acd14e912249de3

SHA256
a7009a043a53a1a6ae96f9e7c19baf963b6b225e91d043f7dd3de7dfc9107d70

SHA512
479fb8cef31ac177ccee00e8ab4c3ef4612cfd3e9810c5a07ddbfe29c85ce5c852df580d3cb79a8eb7f28eb52bceb016ef2b625760f1d5c1b642a4c4c02c36e0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DXTX3RVNU6GR6PFS88RN.temp

Filesize
7KB

MD5
98b9a2330de82defcf4728e45098d149

SHA1
5b4e31070c86d95b74e46dab0d08666cb72cc82a

SHA256
0ed2c57f186532553cf7e6a767be35057ffdb706c8f193d6f7c63e9dc15ee52a

SHA512
7d51b93ed2828084b62bcd9cc389d8a50b0e45886dccc3aea039b80e6fbea2c4867b46270c11a8e95a8e3ac52db38e96a11cc9fa390b49eee83b082b3d7c8619

Download Submit
memory/2060-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2060-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-1-0x00000000009C0000-0x0000000000AAC000-memory.dmp

Filesize
944KB

Download
memory/3020-4-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3020-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3020-6-0x0000000005430000-0x00000000054F0000-memory.dmp

Filesize
768KB

Download
memory/3020-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3020-38-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3020-3-0x00000000004D0000-0x00000000004E0000-memory.dmp

Filesize
64KB

Download
memory/3020-5-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download