remcos | 441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765

Analysis

max time kernel
118s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 19:13

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General

Target

441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe
Size

1.2MB
MD5

ee8224a93805df14b1b6c3c5d755922e
SHA1

d7ede64acd16efae6aa8e7364c842e513c7527d4
SHA256

441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765
SHA512

54b034a861704c83d675228f3f558324317cb49af6c19b7e8b47baa8eca23cb84c1a8a9481c5de6c725d3da4b9220b60e140c45b9e3f5508f8c2ca388cb6a1a1
SSDEEP

24576:+xtcKivRdWnSyESyfE75BP/+mgWdm/bTSDLKWB7G:+0KmXWSyXr2mgxvSPc

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

45.149.241.4:74

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-OFCAG3
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
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101

System Location Discovery: System Language Discovery 1 TTPs 1 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	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe
1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe
1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101
PID 1404 wrote to memory of 4328	1404	441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe	101

C:\Users\Admin\AppData\Local\Temp\441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe
"C:\Users\Admin\AppData\Local\Temp\441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:4328

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

memory/1404-18-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1404-1-0x00000000008E0000-0x0000000000A20000-memory.dmp

Filesize
1.2MB

Download
memory/1404-2-0x0000000005970000-0x0000000005A0C000-memory.dmp

Filesize
624KB

Download
memory/1404-3-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/1404-4-0x0000000005AB0000-0x0000000005B42000-memory.dmp

Filesize
584KB

Download
memory/1404-5-0x0000000005910000-0x0000000005954000-memory.dmp

Filesize
272KB

Download
memory/1404-6-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1404-7-0x0000000005CC0000-0x0000000005CCA000-memory.dmp

Filesize
40KB

Download
memory/1404-8-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1404-9-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/1404-10-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1404-11-0x0000000007AE0000-0x0000000007AFA000-memory.dmp

Filesize
104KB

Download
memory/1404-12-0x00000000073A0000-0x00000000073A6000-memory.dmp

Filesize
24KB

Download
memory/1404-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/4328-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4328-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download