remcos | 7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 01:44

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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
2704	powershell.exe
2760	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.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	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
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	powershell.exe
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2928	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2704	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	30
PID 2092 wrote to memory of 2704	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	30
PID 2092 wrote to memory of 2704	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	30
PID 2092 wrote to memory of 2704	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	30
PID 2092 wrote to memory of 2760	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	32
PID 2092 wrote to memory of 2760	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	32
PID 2092 wrote to memory of 2760	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	32
PID 2092 wrote to memory of 2760	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	32
PID 2092 wrote to memory of 2824	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 2092 wrote to memory of 2824	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 2092 wrote to memory of 2824	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 2092 wrote to memory of 2824	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36
PID 2092 wrote to memory of 2928	2092	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	36

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 use of WriteProcessMemory
PID:2092
- 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:2704
- 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:2760
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNamqURus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1B9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2824
- 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:2928

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
e4cdea05ced3048c87cdd14ad8f0f577

SHA1
e61364132f92d81b9b636badc45c109f5baf968f

SHA256
00ea2b4a25dc21ded5de09c038995ffd3e73e4aaff29f3f1bfc44b0b635298cf

SHA512
bc9881b01c39ce6a28dec047a11d0e8afda72f001f07a134df7ed7d1c54a28d9c3c11fb34213a8a0ac127fd07b624b518d20d76daa4608dc6ba65c986abaff6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC1B9.tmp

Filesize
1KB

MD5
f5ea0208edc04f4271cb48185b94afcb

SHA1
1185e1eebce57d98fe2ca33d1bcf265be459aa8d

SHA256
1eb3414bdac24487f8c05655bb48df0e9df4c59a0b6d32777b369478447d1ca2

SHA512
b1a52b2f7352da35ca6d011aec0b24d7ef48b093299f5bb0b501a4362c03e3335abcdd694c9bd6af9c697f5592587634ec25bbeed10b203bce5a43ca4c6d8e91

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

Filesize
7KB

MD5
ab28d15f267ed5ed070f1b33467509c3

SHA1
97a155411f1d304bb3670190894160c1ddf39a1b

SHA256
7a01b1e4a187564681608c1332161673ec4792cd3af099442b7734116501cba8

SHA512
cdb5a2236db6dd1cecfc07832625dea66eab8b7a336c5e204106ffd4e12883006f479e5598fb11b901ce8b80139d7748875d3af6393fc7daa51ab8700990d591

Download Submit
memory/2092-41-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-1-0x0000000000A10000-0x0000000000AFC000-memory.dmp

Filesize
944KB

Download
memory/2092-2-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x00000000005D0000-0x00000000005E0000-memory.dmp

Filesize
64KB

Download
memory/2092-4-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-6-0x00000000053C0000-0x0000000005480000-memory.dmp

Filesize
768KB

Download
memory/2092-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/2928-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2928-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download