remcos | 90bc36b3b61a82a2c29e1dca50c3ccdec745f4089fef6d2d57e239d1de583273

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
30/07/2024, 22:40

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General

Target
2219f7e6c46c204f293e6fb4cd61bad0N.exe
Size 1.3MB
Sample240730-2lm43ashmr
SHA256 90bc36b3b61a82a2c29e1dca50c3ccdec745f4089fef6d2d57e239d1de583273
MD5 2219f7e6c46c204f293e6fb4cd61bad0
SHA1 c99f63ff030fe7a73b355e03045d936ede51e10c
SHA512 fc456aaba7dd6106d2f5657fb63f50872558f1ec1cc720bac4241acd983a464c4cbe0f8ba9974cda1ef983578598f499f1210c22040628230fd8ad5963ba2e48
SSDEEP 24576:kqDEvCTbMWu7rQYlBQcBiT6rprG8aJvFNEJ0am17tGrDbOobz1R:kTvC/MTQYxsWR7aJv69m1JGzOu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

194.169.175.190:2404

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-EGUABN
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 2 IoCs

description	pid	Process	procid_target
PID 4296 set thread context of 2228	4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe	86
PID 2228 set thread context of 4848	2228	svchost.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	2219f7e6c46c204f293e6fb4cd61bad0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2219f7e6c46c204f293e6fb4cd61bad0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe
4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe
2228	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe
2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe
4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe
4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe
2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe
4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe
4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 4256	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	84
PID 2744 wrote to memory of 4256	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	84
PID 2744 wrote to memory of 4256	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	84
PID 2744 wrote to memory of 4296	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	85
PID 2744 wrote to memory of 4296	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	85
PID 2744 wrote to memory of 4296	2744	2219f7e6c46c204f293e6fb4cd61bad0N.exe	85
PID 4296 wrote to memory of 2228	4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe	86
PID 4296 wrote to memory of 2228	4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe	86
PID 4296 wrote to memory of 2228	4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe	86
PID 4296 wrote to memory of 2228	4296	2219f7e6c46c204f293e6fb4cd61bad0N.exe	86
PID 2228 wrote to memory of 4848	2228	svchost.exe	87
PID 2228 wrote to memory of 4848	2228	svchost.exe	87
PID 2228 wrote to memory of 4848	2228	svchost.exe	87
PID 2228 wrote to memory of 4848	2228	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe
"C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe"
  2⤵
  PID:4256
- C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe
  "C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4296
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\2219f7e6c46c204f293e6fb4cd61bad0N.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - \??\c:\program files (x86)\internet explorer\iexplore.exe
      "c:\program files (x86)\internet explorer\iexplore.exe"
      4⤵
      PID:4848

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

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Downloads

acceptancy

Path C:\Users\Admin\AppData\Local\Temp\acceptancy
Size 483KB
SHA256 a58122cb181f23b647786bdae976d56448fd6dddeca6110a63576ee4a7d58414
MD5 b7f11b87791b38adccfc2df5731ad095
SHA1 d69717e24ee713ae6ec0d063b605ae61b489bdad
SHA512 052bc65467f27cbfc005f725998ddf9d2e134222ca9d049044a2a120af4e962e872577d1b25bef00ab34c7faa46605c51437fc3270895ffa89d4abe278d28223
SSDEEP 12288:f0TPQb5gZItNoGIDoRUZWV7O/JuEwoyCD91n2KqQ:f0TPQxNoGNUZWKcEGCJJ9f
MD5 SHA1 SHA512 SSDEEP

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ultraradicalism

Path C:\Users\Admin\AppData\Local\Temp\ultraradicalism
Size 28KB
SHA256 8616e8449219715b5108c7433db241b80b2725724b42a5d2c021e594ab47dcac
MD5 166ccfa40ae0bcc0a912fb4ab53aa547
SHA1 d4db10180ec8a9fb63bd2dbf7f73be8cd154ab38
SHA512 680d44f6aae68a63cc3699e8046c61e9986d2fa5c5360218fbb0489476827001014865cd55f74dcad2f7df183f803ba583ec2dfe5d8a2dc46da321caf9ff6afd
SSDEEP 768:Jx7TYScFCo3T3iCyv/3Int/UQ+n/+nAka/DAsX2HzZmL5sCWi:zTYScFCo3T3izv/3Int/UQ+n/+nAka/R
MD5 SHA1 SHA512 SSDEEP

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memory/2228-25-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2228-26-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2228-27-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2228-28-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2228-34-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2744-11-0x0000000001270000-0x0000000001274000-memory.dmp

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memory/4848-30-0x00000000005B0000-0x00000000005BE000-memory.dmp

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memory/4848-33-0x00000000005B0000-0x00000000005BE000-memory.dmp

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memory/4848-32-0x00000000005B0000-0x00000000005BE000-memory.dmp

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memory/4848-29-0x00000000005B0000-0x00000000005BE000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads