remcos | 3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 08:29

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General

Target

3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe
Size

1.1MB
MD5

b75532f01dc42a2e4ae8164b69189471
SHA1

619f41a048fee334f9617581bf029690fc3501ff
SHA256

3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a
SHA512

029d3210039fd2628c2c76b857b26dcc95c64cfe3adf615b998f988a51a0ada338ed3ab04e9992f5695dcfa530c327506f6a8a9d1fe77614386a00101ae5613a
SSDEEP

24576:syE0h6lrEYESlA+NKWCgjUky/W+I3b1oYxDzecXWsscifR:sygjtlA+M3g4bKDDS+WX9

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

103.186.116.30:1111

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-PP5DA9
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 2348 set thread context of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31

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	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31
PID 2348 wrote to memory of 2012	2348	3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe	31

C:\Users\Admin\AppData\Local\Temp\3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe
"C:\Users\Admin\AppData\Local\Temp\3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe
  "C:\Users\Admin\AppData\Local\Temp\3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a.exe"
  2⤵
  PID:2012

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/2012-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2012-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2012-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2348-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2348-25-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-6-0x0000000001FA0000-0x0000000002060000-memory.dmp

Filesize
768KB

Download
memory/2348-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2348-3-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2348-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x0000000000A80000-0x0000000000B96000-memory.dmp

Filesize
1.1MB

Download