remcos | c0aac89c0d9d92a680006d6c59bcf2b76807ec85e687c98c9b9618bd5d5ae4ad

General

Target

script.ps1
Size

3KB
MD5

cb85017cf90bd06129da09acf240719c
SHA1

0037c13c7d2043a215a3efe4522b6aad1109fffc
SHA256

c0aac89c0d9d92a680006d6c59bcf2b76807ec85e687c98c9b9618bd5d5ae4ad
SHA512

304b26c649d9da37c00852b6511b3483ca5ed97a37d4ea1f77987da425f7a9e1ea84642cb7c6108e50d96d38994a58e5d982f4cb7b200eb6aa5f435dd2bc13e0

Score

10^/10

remcos neleu5143ssach discovery execution persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Neleu5143ssach

C2

www.vzprojekti.com:28799

www.porsche-augsbrug.de:28799

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
Neleu8263scah-9YRWAH
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
Remcos family
remcos

Blocklisted process makes network request 10 IoCs

flow	pid	Process
8	1068	powershell.exe
34	5932	powershell.exe
37	5932	powershell.exe
39	5932	powershell.exe
49	5932	powershell.exe
75	5932	powershell.exe
86	5932	powershell.exe
87	5932	powershell.exe
92	5932	powershell.exe
94	5932	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mystery = "%Sundhedstjeneste% -windowstyle 1 $Uforligneliges155=(gi 'HKCU:\\Software\\Rnefolk\\').GetValue('Noncooperation');%Sundhedstjeneste% ($Uforligneliges155)"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
5932	powershell.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5932	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1068	powershell.exe
5660	powershell.exe
5932	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1068	powershell.exe
1068	powershell.exe
5660	powershell.exe
5660	powershell.exe
5932	powershell.exe
5932	powershell.exe
5932	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	powershell.exe
Token: SeDebugPrivilege	5660	powershell.exe
Token: SeDebugPrivilege	5932	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5660 wrote to memory of 5932	5660	powershell.exe	93
PID 5660 wrote to memory of 5932	5660	powershell.exe	93
PID 5660 wrote to memory of 5932	5660	powershell.exe	93
PID 5932 wrote to memory of 1976	5932	powershell.exe	100
PID 5932 wrote to memory of 1976	5932	powershell.exe	100
PID 5932 wrote to memory of 1976	5932	powershell.exe	100
PID 1976 wrote to memory of 388	1976	cmd.exe	102
PID 1976 wrote to memory of 388	1976	cmd.exe	102
PID 1976 wrote to memory of 388	1976	cmd.exe	102

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\script.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1068

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\script.ps1"
1⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5660
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\script.ps1
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5932
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Mystery" /t REG_EXPAND_SZ /d "%Sundhedstjeneste% -windowstyle 1 $Uforligneliges155=(gi 'HKCU:\Software\Rnefolk\').GetValue('Noncooperation');%Sundhedstjeneste% ($Uforligneliges155)"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1976
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Mystery" /t REG_EXPAND_SZ /d "%Sundhedstjeneste% -windowstyle 1 $Uforligneliges155=(gi 'HKCU:\Software\Rnefolk\').GetValue('Noncooperation');%Sundhedstjeneste% ($Uforligneliges155)"
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
246601048229d293d26379eda88e8c9b

SHA1
ffd05ff1e2b3710c0e4b43169e1fe31e5e11c886

SHA256
9de9a36bfdd5761f70b60659cf7ce8e9cd5f9cb454b260d924358c1737114519

SHA512
830cbd8e46a91fa32c5b23cf0419322e1cf4019d4efd0a6526ee0f0e925d0cd1303119ce8e0893652a36ab9bc0e512006bbda55a8372c523cec6c68b818081f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjwnd31c.goi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\stinko.Tet

Filesize
651KB

MD5
f0481e8fe5b1fd2a6fc804ff30befb7a

SHA1
30a99cf8d776d2a9e4a9f3632c4e69a387e100f1

SHA256
0bb55acde277f9c3978549377c9b8968c4b8692feb4e63bcf67a29ff68882c3d

SHA512
5a30a161ed4001559c407a67abac7ceb704ad8cad7647db6fa3e576c92ea13cc72f44651a3c4438d285f0295547a65150b4df086db6732a32ba0c51f71c3b59c

Download Submit
memory/1068-10-0x0000022DF7A00000-0x0000022DF7A22000-memory.dmp

Filesize
136KB

Download
memory/1068-11-0x00007FFA52FD0000-0x00007FFA53A91000-memory.dmp

Filesize
10.8MB

Download
memory/1068-12-0x00007FFA52FD0000-0x00007FFA53A91000-memory.dmp

Filesize
10.8MB

Download
memory/1068-15-0x00007FFA52FD0000-0x00007FFA53A91000-memory.dmp

Filesize
10.8MB

Download
memory/1068-16-0x00007FFA52FD0000-0x00007FFA53A91000-memory.dmp

Filesize
10.8MB

Download
memory/1068-19-0x00007FFA52FD0000-0x00007FFA53A91000-memory.dmp

Filesize
10.8MB

Download
memory/1068-0-0x00007FFA52FD3000-0x00007FFA52FD5000-memory.dmp

Filesize
8KB

Download
memory/5660-20-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/5660-21-0x0000000004EA0000-0x0000000004ED6000-memory.dmp

Filesize
216KB

Download
memory/5660-24-0x0000000005B70000-0x0000000005B92000-memory.dmp

Filesize
136KB

Download
memory/5660-25-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/5660-26-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/5660-36-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/5660-22-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5660-38-0x0000000006400000-0x000000000641E000-memory.dmp

Filesize
120KB

Download
memory/5660-39-0x0000000006450000-0x000000000649C000-memory.dmp

Filesize
304KB

Download
memory/5660-59-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/5660-60-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5660-23-0x0000000005510000-0x0000000005B38000-memory.dmp

Filesize
6.2MB

Download
memory/5932-42-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5932-53-0x0000000006BF0000-0x0000000006C0A000-memory.dmp

Filesize
104KB

Download
memory/5932-54-0x0000000006C40000-0x0000000006C62000-memory.dmp

Filesize
136KB

Download
memory/5932-55-0x0000000007F60000-0x0000000008504000-memory.dmp

Filesize
5.6MB

Download
memory/5932-56-0x0000000008B90000-0x000000000920A000-memory.dmp

Filesize
6.5MB

Download
memory/5932-52-0x00000000078D0000-0x0000000007966000-memory.dmp

Filesize
600KB

Download
memory/5932-58-0x0000000009210000-0x000000000ABE2000-memory.dmp

Filesize
25.8MB

Download
memory/5932-41-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5932-40-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5932-61-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/5932-66-0x0000000024300000-0x0000000025554000-memory.dmp

Filesize
18.3MB

Download
memory/5932-70-0x0000000024300000-0x0000000025554000-memory.dmp

Filesize
18.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads