remcos | 4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 12:31

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General

Target

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe
Size

7KB
MD5

5d0f1bb6b4c956bb77ca50a32be8b741
SHA1

452cfb01566c6386404c312bce3854b9c5d80c79
SHA256

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5
SHA512

e84e8b09f43ebd2e941a78319e1ffdb139e71f30c36f36f4f341a574cc0296f6eb2bf3cebc0c39dd194da5a45f0c503a35a59321bb0a413b0c6128923070a091
SSDEEP

96:uR/5Y/Hz6uX2W7lPc1oJ/46R0jOr0uN8msBXxMbtfnVc8iCujVHzNt:uRmz6i22j/480jpu4BBMJu8JujVR

Score

10^/10

remcos remotehost discovery persistence 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-YP127Q
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
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

description pid process target process

PID 4692 created 3488 4692 4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe Explorer.EXE

description	pid	process	target process
PID 4692 created 3488	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	Explorer.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rypskjc = "C:\\Users\\Admin\\AppData\\Roaming\\Rypskjc.exe"	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

description	pid	process	target process
PID 4692 set thread context of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

pid process

4692 4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

pid	process
4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

description	pid	process
Token: SeDebugPrivilege	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe
Token: SeDebugPrivilege	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe

description	pid	process	target process
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe
PID 4692 wrote to memory of 116	4692	4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3488
- C:\Users\Admin\AppData\Local\Temp\4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe
  "C:\Users\Admin\AppData\Local\Temp\4e217e467abd9567548a77cacc8b9002ea6ce60b9a0ac8d845d30c3a7cfa30e5.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/116-1096-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/116-1099-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4692-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4692-1-0x0000000000830000-0x0000000000838000-memory.dmp

Filesize
32KB

Download
memory/4692-2-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-3-0x0000000005BA0000-0x0000000005CBC000-memory.dmp

Filesize
1.1MB

Download
memory/4692-19-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-24-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-33-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-49-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-67-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-65-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-63-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-61-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-59-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-57-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-55-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-53-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-51-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-47-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-43-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-41-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-39-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-37-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-35-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-45-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-31-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-29-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-27-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-25-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-21-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-17-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-15-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-9-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-7-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-6-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-13-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-11-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-4-0x0000000005BA0000-0x0000000005CB6000-memory.dmp

Filesize
1.1MB

Download
memory/4692-1078-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-1079-0x0000000005F50000-0x0000000005FE6000-memory.dmp

Filesize
600KB

Download
memory/4692-1080-0x0000000005FF0000-0x000000000603C000-memory.dmp

Filesize
304KB

Download
memory/4692-1085-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4692-1083-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-1086-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-1087-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-1088-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4692-1089-0x0000000006860000-0x0000000006E04000-memory.dmp

Filesize
5.6MB

Download
memory/4692-1090-0x0000000006140000-0x0000000006194000-memory.dmp

Filesize
336KB

Download
memory/4692-1098-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download