remcos | 7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040

General

Target

7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe
Size

969KB
MD5

a11ca5e0c52c6f6797183f3eaf592bd4
SHA1

2a4b7155609a0d6530c46bcc19f8a2724cc2bcbd
SHA256

7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040
SHA512

4b024d7425428ea170c55fe6bce154d37a50186aedbfa7f8db6fb196f775a0bf9b8c4a1ad3b6e8a71fce81533a54ec89fe682d432ff03263d45a55d7dd267576
SSDEEP

24576:X7txfsLeyE40WnabOI6tYvh5nJsWiNSzAlw:xxkoLdOFtYvhop9l

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-TS121V
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 2424 set thread context of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31

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	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31
PID 2424 wrote to memory of 2236	2424	7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe	31

C:\Users\Admin\AppData\Local\Temp\7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe
"C:\Users\Admin\AppData\Local\Temp\7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe
  "C:\Users\Admin\AppData\Local\Temp\7509f9497471ef5ef9fb8cb4decb92af7f592b2e760156d1b4b4c1d7812ca040.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2236-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2236-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2424-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2424-26-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-1-0x0000000000970000-0x0000000000A68000-memory.dmp

Filesize
992KB

Download
memory/2424-3-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download
memory/2424-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-6-0x0000000005A10000-0x0000000005AD0000-memory.dmp

Filesize
768KB

Download
memory/2424-5-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-4-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download

Analysis

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