remcos | c0c4ba53306de86e58d082d8a5c5b0b609beb0174120b1e12089fdf639b80a2d

General

Target

(TR Specs)_PRICE & HSCODE_.exe
Size

785KB
MD5

2a66eec330f3eafb06abe16815b10d15
SHA1

a4ad694f7397a9a1adaee2c6dfcbeb9f053846a0
SHA256

80a59c03695471dba47b8b687c1ab3de599e3fe49581bfd0bb1d375af6e18d5d
SHA512

390ba2eecc73f348a890a790439fb3ebf2116cbf16f471de477289cb803cc72bfd79b4d6189fb229ab4f8ba91bcc1240f9670230783ffee4fdec497b8a3acb32
SSDEEP

12288:CPE0ZQU3QB5lDTA/ozkvvv804Ukqu5pcABvGD5q2ge5inccS8lzmlJQYsooTW7:CPENTTzqML3in9+1olJQDW7

Score

10^/10

remcos rekohost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ReKoHost

C2

eaidali.ddns.net:4784

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
true
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-KX8FWE
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
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3692 set thread context of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100

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	(TR Specs)_PRICE & HSCODE_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3692	(TR Specs)_PRICE & HSCODE_.exe
3692	(TR Specs)_PRICE & HSCODE_.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3692	(TR Specs)_PRICE & HSCODE_.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
768	vbc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100
PID 3692 wrote to memory of 768	3692	(TR Specs)_PRICE & HSCODE_.exe	100

C:\Users\Admin\AppData\Local\Temp\(TR Specs)_PRICE & HSCODE_.exe
"C:\Users\Admin\AppData\Local\Temp\(TR Specs)_PRICE & HSCODE_.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
184B

MD5
8cdbed12f2f22dcbcb777f15a2689ecf

SHA1
033e17aa49c74e0e4db71acc0cf720999bc25848

SHA256
1f319af652f73fadda211475918f4de1b492f12a55c02f41b28c993b2144182e

SHA512
a3e805b614ee268207559a18f0f9f8c203c3229dd69c6c30d9283697bc861c1b63a685df669330b813b6cd5c97674f6c6b6e4993cf4440c41c598c957df3c6e0

Download Submit
memory/768-13-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-26-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-22-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-17-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-20-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-16-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/768-14-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/3692-5-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3692-6-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/3692-10-0x0000000008650000-0x000000000870A000-memory.dmp

Filesize
744KB

Download
memory/3692-11-0x0000000008880000-0x00000000088E6000-memory.dmp

Filesize
408KB

Download
memory/3692-12-0x00000000089F0000-0x0000000008A6A000-memory.dmp

Filesize
488KB

Download
memory/3692-8-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3692-7-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3692-9-0x0000000008380000-0x000000000841C000-memory.dmp

Filesize
624KB

Download
memory/3692-21-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3692-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3692-4-0x0000000005700000-0x000000000570A000-memory.dmp

Filesize
40KB

Download
memory/3692-3-0x0000000005650000-0x00000000056E2000-memory.dmp

Filesize
584KB

Download
memory/3692-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/3692-1-0x0000000000BB0000-0x0000000000C7A000-memory.dmp

Filesize
808KB

Download

Analysis

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