remcos | 9223a018c1b218003007110a0ab589049aa4bcfdc2b261d8a141c9372488afb5

General

Target

2.exe
Size

1023KB
MD5

07a3ed5ced9d2f69a1871a602b62cd56
SHA1

4fb6303b4c4711983abba8cf611871c92c801bfd
SHA256

9223a018c1b218003007110a0ab589049aa4bcfdc2b261d8a141c9372488afb5
SHA512

29913de75bf7d9d6c4ae786936747fcade3fce02bbb7eadb7f10a46b2c312114a52605774c45b72fe90ef0ebbf8707f3fb87562f33e0c7fffb886d909a5446a4
SSDEEP

24576:jeD/Af5Q12n6V+oj8v7ln+g7/jMu86JjAGm/:jKyQ260uw7XEuFjVm

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:56765

127.0.0.1:45645

latestgrace2024.duckdns.org:45645

latestgrace2024.duckdns.org:56765

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-NXBY7S
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe
2660	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 1368	2628	2.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2628	2.exe
2628	2.exe
2660	powershell.exe
2776	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	2.exe
Token: SeDebugPrivilege	2660	powershell.exe
Token: SeDebugPrivilege	2776	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2776	2628	2.exe	30
PID 2628 wrote to memory of 2776	2628	2.exe	30
PID 2628 wrote to memory of 2776	2628	2.exe	30
PID 2628 wrote to memory of 2776	2628	2.exe	30
PID 2628 wrote to memory of 2660	2628	2.exe	32
PID 2628 wrote to memory of 2660	2628	2.exe	32
PID 2628 wrote to memory of 2660	2628	2.exe	32
PID 2628 wrote to memory of 2660	2628	2.exe	32
PID 2628 wrote to memory of 2860	2628	2.exe	34
PID 2628 wrote to memory of 2860	2628	2.exe	34
PID 2628 wrote to memory of 2860	2628	2.exe	34
PID 2628 wrote to memory of 2860	2628	2.exe	34
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36
PID 2628 wrote to memory of 1368	2628	2.exe	36

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2776
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TZWvjYkEyxr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TZWvjYkEyxr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B9A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3B9A.tmp

Filesize
1KB

MD5
a018fb645ab247e72b7da43dcbab10b5

SHA1
dcf48eef7729ff3707897e3207d7c0675ad851f0

SHA256
5ac0310e9cc5487524a9bca0200b0fe90e45cfe59b056da5a9d950c3c48fbb9b

SHA512
eea9b2edba5a2401981d3e0744114c31b73a155d9f47bbdf2d46f25f1d924b7e17215248b300174eb172faf8660eda9fd8dbbb9d3135da91a0fecf46636acd8e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\98EFSXTTK7WWABCK4W8R.temp

Filesize
7KB

MD5
48fb38b496d19e535822ad74e576c2df

SHA1
aba880ffb687b4f13dd3369702667f142a256ff5

SHA256
8d98c892c0a17e28087c27727131463093a25778dc379afa81a5398f21151566

SHA512
7e48126611e0766bc9faea413344854c70fa4a288fb964bca26068ad33f7fc36ac9b56cea5827a04f991b745823d74de454eed272861f4845013a55d437571d1

Download Submit
memory/1368-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1368-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1368-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2628-3-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/2628-40-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-2-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-5-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-1-0x0000000001240000-0x0000000001346000-memory.dmp

Filesize
1.0MB

Download
memory/2628-6-0x00000000054F0000-0x00000000055AE000-memory.dmp

Filesize
760KB

Download
memory/2628-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/2628-4-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads