remcos | 77b6482e415499d039fd94dc2c588217bb71bd6f3da0747c53a439bc9490fbed

General

Target

Rooming list.exe
Size

133.0MB
MD5

6b405cc5058f539118b7bf278e5ec92d
SHA1

32576751854860acb742f71bd1aef7cc6accdbfc
SHA256

6460ce4d46ea972d0296bfbfd2315b2686021380c4d22ceb0c0a987faa749fd4
SHA512

55393ecd988d2beae68897d32287ac57b9d220534cc17dc3a82ca4b201b99d847b8247c0993a813901658953a25e08da35583a82a8e4dbed1f111e639a33a125
SSDEEP

24576:BSoUQ4BU6CXEFENRLBZE3RmZDWkhkz+t/cOlIoxXz1WvDuS7K:Ib4JBZEBam+t/zFX0LuEK

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

closen.kozow.com:2404

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-V0K781
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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 1560	2220	Rooming list.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1560	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28
PID 2220 wrote to memory of 1560	2220	Rooming list.exe	28

C:\Users\Admin\AppData\Local\Temp\Rooming list.exe
"C:\Users\Admin\AppData\Local\Temp\Rooming list.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
a023c90710448846a7af120ee5aebb67

SHA1
67a9541eb1a527b293e918915eae6d961650fdd9

SHA256
6705d81dcb78e24479c79f2a9ee61029dd3e1065885a3e6ded390aac35850b73

SHA512
9440f8968f04d6fa8f47ab3076ca7d7c69f4ea12281a811650d166332e107978be9964cf88f7ccd92bdc29311beadac25efd5ca7c16d7ff1dc4143781ba483d0

Download Submit
memory/1560-25-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-23-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-69-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-4-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-5-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-6-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-8-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-10-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-12-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-14-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-16-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1560-19-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-68-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-60-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-27-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-26-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-53-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-28-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-29-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-30-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-36-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-37-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-52-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1560-44-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2220-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-0-0x0000000000B00000-0x0000000000C1E000-memory.dmp

Filesize
1.1MB

Download
memory/2220-2-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/2220-21-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-3-0x0000000004550000-0x000000000464C000-memory.dmp

Filesize
1008KB

Download

Analysis

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