remcos | f299f55852195c4a00a00c2ace60dd78e42b1e6675d0d16fc4a6ed98ccb55335

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 09:16

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General

Target
MBL+HBL NOTICE.exe
Size 768KB
Sample230214-k8ggcsbf2w
SHA256 4ae79ceea285cbb607eddf58f18707d2920f77fc8cac6e92f26013be0f70a5f2
MD5 35e9911b4f9ec8be1b083b76d6b377e3
SHA1 9471a4481d1e4f8d14101d8d58fab2c0b22ecf85
SHA512 2966ee551f2bf0dddc286c0d3d667542ba5c18af5aad4379d8c64e16c770f3d66aad08ccebdb793b54574f490793fffbd339186b0faf4114f89aef93eab6f1a4
SSDEEP 12288:qVntokr0ZwcjjJHWE9OJ3LJzmyd4y5hn0S+nigEOV4sUpZTJdM7FGifRFK4:+qjuwC53Tk91xCdM7Frv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

45.87.61.104:3033

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-QWPMSY
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 2192	4856	MBL+HBL NOTICE.exe	89

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe
4856	MBL+HBL NOTICE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	MBL+HBL NOTICE.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 4008	4856	MBL+HBL NOTICE.exe	83
PID 4856 wrote to memory of 4008	4856	MBL+HBL NOTICE.exe	83
PID 4856 wrote to memory of 2580	4856	MBL+HBL NOTICE.exe	84
PID 4856 wrote to memory of 2580	4856	MBL+HBL NOTICE.exe	84
PID 4856 wrote to memory of 1900	4856	MBL+HBL NOTICE.exe	85
PID 4856 wrote to memory of 1900	4856	MBL+HBL NOTICE.exe	85
PID 4856 wrote to memory of 4752	4856	MBL+HBL NOTICE.exe	86
PID 4856 wrote to memory of 4752	4856	MBL+HBL NOTICE.exe	86
PID 4856 wrote to memory of 4092	4856	MBL+HBL NOTICE.exe	87
PID 4856 wrote to memory of 4092	4856	MBL+HBL NOTICE.exe	87
PID 4856 wrote to memory of 3044	4856	MBL+HBL NOTICE.exe	88
PID 4856 wrote to memory of 3044	4856	MBL+HBL NOTICE.exe	88
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89
PID 4856 wrote to memory of 2192	4856	MBL+HBL NOTICE.exe	89

C:\Users\Admin\AppData\Local\Temp\MBL+HBL NOTICE.exe
"C:\Users\Admin\AppData\Local\Temp\MBL+HBL NOTICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
  2⤵
  PID:4008
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2580
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
  2⤵
  PID:1900
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
  2⤵
  PID:4752
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
  2⤵
  PID:4092
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
  2⤵
  PID:3044
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2192

Network

MITRE ATT&CK Matrix

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Downloads

memory/2192-134-0x0000000000400000-0x0000000000480000-memory.dmp

Download

memory/2192-136-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/2192-137-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/2192-139-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/2192-140-0x0000000000400000-0x0000000000480000-memory.dmp

Download

memory/4856-132-0x000001D475A10000-0x000001D475AD4000-memory.dmp

Download

memory/4856-133-0x00007FFE99760000-0x00007FFE9A221000-memory.dmp

Download

memory/4856-138-0x00007FFE99760000-0x00007FFE9A221000-memory.dmp

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