remcos | 4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 01:41

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General

Target

4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
Size

2.4MB
MD5

ccd26c2d4eabc84f9d8ad478048f322e
SHA1

188367cac00cbf23edc462b97af53e7bdd1b9ecc
SHA256

4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de
SHA512

51c49a7907f41d88a3b4adc2b3671dd5afcf7008e0de7a97b86f33554d07f617b4567ec0973ab48680465ca25a264d9d93d4ce5b62f5edb0d5092f76779580c5
SSDEEP

49152:8ucZdqJC0PBOYONY9av3sGZk4iuAitJdtsGeqX8nfYQNfHawhLinKp7cZWV:8lZi4hNYL2jUqX4QQNywhL9sw

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

horsesnje.net:3345

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-3JM8X2
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
Token: SeDebugPrivilege	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
212	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86
PID 2156 wrote to memory of 212	2156	4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe	86

C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
"C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
  "C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
4f04b5aae5f28bb6a5be3969b9875db8

SHA1
5b369368df0d9baf0baad001c7fb8e2b6dd92e8f

SHA256
174921d0f6f25569e4b90ed879e331131206cf48067e4d306ec065803fe44909

SHA512
5e4fffd73d7bc70aa335f778b071b30b945f65c4d88e90d6e2e0bf06ecac82ad705928d92d6df28588b4312a8d45a1e26c7ca5358f92689b652a57e67e402b78

Download Submit
memory/212-4904-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/212-4913-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2156-40-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-4-0x0000000005CB0000-0x0000000005D42000-memory.dmp

Filesize
584KB

Download
memory/2156-5-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-14-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-28-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-36-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-68-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-66-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-64-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-62-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-60-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-59-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-54-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-52-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-50-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-48-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-46-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-44-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-42-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/2156-56-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-39-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-32-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-30-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-34-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-26-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-24-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-22-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-20-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-18-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-16-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-12-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-10-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-9-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-6-0x00000000059B0000-0x0000000005C08000-memory.dmp

Filesize
2.3MB

Download
memory/2156-4891-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-4892-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-4893-0x0000000005EB0000-0x0000000005F4A000-memory.dmp

Filesize
616KB

Download
memory/2156-4894-0x0000000005F50000-0x0000000005F9C000-memory.dmp

Filesize
304KB

Download
memory/2156-4895-0x0000000006150000-0x00000000061A4000-memory.dmp

Filesize
336KB

Download
memory/2156-3-0x00000000061C0000-0x0000000006764000-memory.dmp

Filesize
5.6MB

Download
memory/2156-4905-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-2-0x00000000059B0000-0x0000000005C0E000-memory.dmp

Filesize
2.4MB

Download
memory/2156-1-0x0000000000C90000-0x0000000000EF2000-memory.dmp

Filesize
2.4MB

Download