remcos | 700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 08:46

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General

Target

SWIFT_PDF.exe
Size

908KB
MD5

101a0df83daf8836f9bf996d72c4c6a9
SHA1

c778e9a0ff2dab0404cf84ac4db2139aa4d2b000
SHA256

700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127
SHA512

2e6d4de5edfb066c81e08a6d04f82b09c44f520898d8328230b172dafda2197dc509dd6a58e0a345ffc74d403e9a7ff949e1ae2d20ac9f6152c41bf8bee60661
SSDEEP

24576:ZlDEOmXZLjtSvwE8hm3vVp7QbsKswxPSIk:kOUZLjAbh3vVNWRswI

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
2376	powershell.exe
2852	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 2828	2308	SWIFT_PDF.exe	37

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	SWIFT_PDF.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	SWIFT_PDF.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
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2376	powershell.exe
2852	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	2852	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	SWIFT_PDF.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2376	2308	SWIFT_PDF.exe	31
PID 2308 wrote to memory of 2376	2308	SWIFT_PDF.exe	31
PID 2308 wrote to memory of 2376	2308	SWIFT_PDF.exe	31
PID 2308 wrote to memory of 2376	2308	SWIFT_PDF.exe	31
PID 2308 wrote to memory of 2852	2308	SWIFT_PDF.exe	33
PID 2308 wrote to memory of 2852	2308	SWIFT_PDF.exe	33
PID 2308 wrote to memory of 2852	2308	SWIFT_PDF.exe	33
PID 2308 wrote to memory of 2852	2308	SWIFT_PDF.exe	33
PID 2308 wrote to memory of 2900	2308	SWIFT_PDF.exe	35
PID 2308 wrote to memory of 2900	2308	SWIFT_PDF.exe	35
PID 2308 wrote to memory of 2900	2308	SWIFT_PDF.exe	35
PID 2308 wrote to memory of 2900	2308	SWIFT_PDF.exe	35
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37
PID 2308 wrote to memory of 2828	2308	SWIFT_PDF.exe	37

C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- 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\SWIFT_PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2376
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GCjswFKGCv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCjswFKGCv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1371.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2900
- C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2828

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
d4b2e65c388c00961b795f4665305db2

SHA1
f67712e247bd13298d25670815f95f1a784e3321

SHA256
2881f1904db4d05b9f46acc8952f78efb2b1ccda7345fd47fdb6ba4534f81e50

SHA512
b0e6a2ad5a331bdcd698a5c7f498867075c481b9e0a328563e0eaede6d6a0ec91e85d3da2c66e162b941175f2e83a9950457df169efe19700e4dfd93a082cfea

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1371.tmp

Filesize
1KB

MD5
5bd9b64c30155e6673d09a10128c38ae

SHA1
f6c41f632760721f2da29bf51f01eb9fd7d50902

SHA256
dcc3513716edaf1851745f07ded52845a1b16d495a7e747957f871b26ea04e4e

SHA512
988ff904266c925b41645485fd46d423ad39842d35a7b76e6c3d7f24398ebffefbecb5a73ce1831ffef5f9ed9e4e9bb18cb0713e8dd808939ab541db975ab339

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\10C6RS7EFN8CDTL62OQC.temp

Filesize
7KB

MD5
28f67f575511e72c71ab94b178ee8e9f

SHA1
468b4ca36c4968c1d7f028c2bce6f11f62798645

SHA256
657529ba5052425cfd2afcf0eb2a046f0c547ee49ea2b0d578567eaf831f2cd9

SHA512
c8e94845904d7c53047910b65809a26c21a101df2718fd9de5f7dc1e7434059650ecb6331db491a83fbf4bc09013615e952dc123ca6ddf016362bb6fe4a752e5

Download Submit
memory/2308-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x0000000001220000-0x000000000130A000-memory.dmp

Filesize
936KB

Download
memory/2308-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-3-0x0000000000200000-0x0000000000212000-memory.dmp

Filesize
72KB

Download
memory/2308-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2308-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-6-0x0000000005870000-0x0000000005930000-memory.dmp

Filesize
768KB

Download
memory/2308-39-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2828-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download