remcos | 48c3cada87a4f4421e65385e1c99843b8bc1017665b09851bfd187eae4680446

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2023 19:06

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General

Target

tmp.exe
Size

1.8MB
MD5

159a9206951d9e8c1aa5633e7b653402
SHA1

eececc59403b61f7b780d4b2bc999762c6410567
SHA256

48c3cada87a4f4421e65385e1c99843b8bc1017665b09851bfd187eae4680446
SHA512

d616ff45ef7ab6a98283cac77ba2f8c59bfd83d8f0dec318b97e2ca591dc1af083d17f6b553049fca8bd39c04aecc5df0ff063b11729ae8dc53ae08adeddd1ce
SSDEEP

12288:i0ByoUUPuoeRPIwI2wuQVOEthdorbXFYu+G82ofrpyxns/W3T+SQytXOycn:i0jGP2rpyVsE+vytXO/n

Score

10^/10

remcos remotehost rat upx

Malware Config

Extracted

Family

remcos

Version

4.5.0 Light

Botnet

RemoteHost

80.66.75.37:53777

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-07DMPT
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

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

UPX packed file 32 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2864-144-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-146-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-147-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-148-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-149-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-150-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-151-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-152-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-153-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-154-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-155-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-156-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-157-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-158-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-159-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-160-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-161-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-162-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-163-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-164-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-165-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-166-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-167-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-168-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-169-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-170-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-171-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-172-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-173-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-174-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-175-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2864-176-0x0000000000400000-0x000000000047C000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 2864	3108	tmp.exe	93

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe
3108	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	tmp.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 2628	3108	tmp.exe	90
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 3432	3108	tmp.exe	91
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 1780	3108	tmp.exe	92
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93
PID 3108 wrote to memory of 2864	3108	tmp.exe	93

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:3432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:1780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2864

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2864-164-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-165-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-176-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-155-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-154-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-174-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-173-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-172-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-171-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-170-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-169-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-144-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-146-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-147-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-148-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-156-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-150-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-151-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-152-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-153-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-175-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-168-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-149-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-157-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-158-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-159-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-160-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-161-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-162-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-163-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-167-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2864-166-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/3108-134-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/3108-133-0x0000000000E70000-0x0000000001048000-memory.dmp

Filesize
1.8MB

Download
memory/3108-136-0x00000000053E0000-0x000000000547C000-memory.dmp

Filesize
624KB

Download
memory/3108-143-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-142-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-141-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-140-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-139-0x0000000002B70000-0x0000000002B7A000-memory.dmp

Filesize
40KB

Download
memory/3108-138-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-137-0x0000000006240000-0x0000000006250000-memory.dmp

Filesize
64KB

Download
memory/3108-135-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download