remcos | ceebb7ca5adbb69127cbf5205e49840c4846cb46e4c5ac568557e7bdf9fe315c

General

Target

SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe
Size

896KB
MD5

64219e1931808919fd05dcfb458dfc25
SHA1

6adb1561418be08ccaa2e448166bc36673ec60c5
SHA256

ceebb7ca5adbb69127cbf5205e49840c4846cb46e4c5ac568557e7bdf9fe315c
SHA512

9ce694eaf780a4d255e328f527df78c949a5c54b5ab0ba46c9800fd326e9ab0c29eec331a1bc8a8592c159c99fcd69d165baf4ab0d09b2d5ca6540f0e5bd527c
SSDEEP

24576:12n4ze7gcvBx2mYa7sJw3+NHNQA6zqvkiINLYnTI:14gcvL2mT7sJw386pqvkiINc

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:52121

officerem.duckdns.org:52121

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-6GPUH1
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
2384	powershell.exe
2716	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37

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	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.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

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
2780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2716	powershell.exe
2384	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2384	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	31
PID 2228 wrote to memory of 2384	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	31
PID 2228 wrote to memory of 2384	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	31
PID 2228 wrote to memory of 2384	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	31
PID 2228 wrote to memory of 2716	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	33
PID 2228 wrote to memory of 2716	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	33
PID 2228 wrote to memory of 2716	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	33
PID 2228 wrote to memory of 2716	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	33
PID 2228 wrote to memory of 2780	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	35
PID 2228 wrote to memory of 2780	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	35
PID 2228 wrote to memory of 2780	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	35
PID 2228 wrote to memory of 2780	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	35
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37
PID 2228 wrote to memory of 2596	2228	SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe	37

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- 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\SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2384
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZRuVeAoBoxootS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZRuVeAoBoxootS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF26.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2780
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2596

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFF26.tmp

Filesize
1KB

MD5
a4b06047a3cde683363ed56cf3f48cd8

SHA1
39d926aeae575f2d9c8ce8581b894158cb2bf534

SHA256
1a8712b3568ae579126db07a056fe1ba95505b8777b7ff067c768bd5819a757b

SHA512
948a547404e25c8b5ad4a57948bad5046f314ac10a91f5b4946f266e2ef4a4abdf3bb0764bc9a04e1ec884199c374531e8b4dbfbd35465b69216fc38b4ce3f1b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\77CHCZR4KF6FCTCGIGBT.temp

Filesize
7KB

MD5
acb7bd1ce6c34338a4ead005f83b1b85

SHA1
33dbf1b0a7f5ef52fa80bfaced757a0f4a223615

SHA256
505e4c7f7036b5c2ba24accc00fac43ee2f268728a85cb2d1a2251c59714d95a

SHA512
28268275fe999f0c4c30246bc432b52c077203ae4688c565cd525a24a5ef7d9cfe3113f17a9bf2dd0fa7c0c98acb36c9f3d1b465b3d80679cdef90ed2af4295f

Download Submit
memory/2228-40-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-1-0x0000000001180000-0x0000000001266000-memory.dmp

Filesize
920KB

Download
memory/2228-2-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-3-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2228-4-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2228-5-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-6-0x0000000005610000-0x00000000056CE000-memory.dmp

Filesize
760KB

Download
memory/2228-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2596-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2596-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads