4c582dd6e6b21ff8f9bbd470876ebe06f008505ed498abb38c34038cd5c1c3d7

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 13:12

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Report Analysis Logs

General

Target

ZoomInstallerFull.exe
Size

85.3MB
MD5

0ad91ce888ace42b95ca1c9bb5b47a75
SHA1

1c3b3205f99cd54640a0eedee9e689bb8acb6ca9
SHA256

4c582dd6e6b21ff8f9bbd470876ebe06f008505ed498abb38c34038cd5c1c3d7
SHA512

58ae442e2224e07824d4443cbb0c3c43f555b3f84c59f49e85eecdff7f11204729165ad678c433d9102ef73d28aaf70157dbec7a031d589eb028cca4704d8945
SSDEEP

1572864:KaDXhgywVFx7XC9US6K8Xotmi4PEC+KuzGQ+CHM2+A2e2cAaXs9:KMXNqz7XCCVi4PEC+KO55s2f2cF0

Score

9^/10

credential_access discovery execution spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1624	powershell.exe
1704	powershell.exe
912	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
2360	Zoom.exe
1200	Process not Found
2892	OWFlMWIyMD.exe
2984	ZGNkNGFkNT.exe

Loads dropped DLL 6 IoCs

pid	Process
1460	ZoomInstallerFull.exe
2360	Zoom.exe
2360	Zoom.exe
2360	Zoom.exe
1668	pipanel.exe
1668	pipanel.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Zoom\mscorrc.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\PresentationFramework-SystemXml.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Collections.Immutable.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Runtime.Loader.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Threading.Tasks.Dataflow.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Xml.ReaderWriter.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\clrgc.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.DirectoryServices.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.Primitives.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.WebHeaderCollection.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Threading.Thread.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Collections.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Collections.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Collections.Specialized.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.ComponentModel.Primitives.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Diagnostics.Process.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Security.Cryptography.Xml.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Diagnostics.PerformanceCounter.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Drawing.Primitives.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Text.Encoding.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\UIAutomationClient.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Windows.Forms.Design.Editors.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Private.CoreLib.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Security.Cryptography.Pkcs.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\Microsoft.VisualBasic.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\PresentationFramework.AeroLite.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.IO.Pipes.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.IO.Pipes.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Net.Http.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.NetworkInformation.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Windows.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Windows.Extensions.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\Microsoft.Win32.SystemEvents.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Web.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\Microsoft.Win32.Registry.AccessControl.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Diagnostics.EventLog.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Drawing.Primitives.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.Mail.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.WebSockets.Client.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Reflection.TypeExtensions.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\Microsoft.Win32.Primitives.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\PresentationFramework.Royale.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Diagnostics.TextWriterTraceListener.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.WebClient.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Security.AccessControl.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\PresentationFramework.Aero.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Core.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.IO.Compression.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.Requests.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Resources.Reader.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Resources.ResourceManager.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\mscorrc.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Net.Sockets.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\UIAutomationProvider.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.AppContext.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.IO.FileSystem.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Net.Quic.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\mscordaccore.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Reflection.Emit.ILGeneration.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Runtime.Extensions.dll	ZoomInstallerFull.exe
File created	C:\Program Files (x86)\Zoom\System.Windows.Forms.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Collections.Immutable.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.ComponentModel.dll	ZoomInstallerFull.exe
File opened for modification	C:\Program Files (x86)\Zoom\System.Runtime.Loader.dll	ZoomInstallerFull.exe

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	ZoomInstallerFull.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OWFlMWIyMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pipanel.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZGNkNGFkNT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pipanel.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	pipanel.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pipanel.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	Zoom.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	Zoom.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	Zoom.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	Zoom.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
912	powershell.exe
1624	powershell.exe
1704	powershell.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
2892	OWFlMWIyMD.exe
1668	pipanel.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe
2984	ZGNkNGFkNT.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	Zoom.exe
Token: SeDebugPrivilege	912	powershell.exe
Token: SeDebugPrivilege	1624	powershell.exe
Token: SeDebugPrivilege	1704	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1460	ZoomInstallerFull.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2892	OWFlMWIyMD.exe
2984	ZGNkNGFkNT.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2360	1460	ZoomInstallerFull.exe	30
PID 1460 wrote to memory of 2360	1460	ZoomInstallerFull.exe	30
PID 1460 wrote to memory of 2360	1460	ZoomInstallerFull.exe	30
PID 1460 wrote to memory of 2360	1460	ZoomInstallerFull.exe	30
PID 2360 wrote to memory of 912	2360	Zoom.exe	32
PID 2360 wrote to memory of 912	2360	Zoom.exe	32
PID 2360 wrote to memory of 912	2360	Zoom.exe	32
PID 2360 wrote to memory of 1624	2360	Zoom.exe	34
PID 2360 wrote to memory of 1624	2360	Zoom.exe	34
PID 2360 wrote to memory of 1624	2360	Zoom.exe	34
PID 2360 wrote to memory of 1704	2360	Zoom.exe	36
PID 2360 wrote to memory of 1704	2360	Zoom.exe	36
PID 2360 wrote to memory of 1704	2360	Zoom.exe	36
PID 2360 wrote to memory of 2892	2360	Zoom.exe	38
PID 2360 wrote to memory of 2892	2360	Zoom.exe	38
PID 2360 wrote to memory of 2892	2360	Zoom.exe	38
PID 2360 wrote to memory of 2892	2360	Zoom.exe	38
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2892 wrote to memory of 1668	2892	OWFlMWIyMD.exe	40
PID 2360 wrote to memory of 2984	2360	Zoom.exe	42
PID 2360 wrote to memory of 2984	2360	Zoom.exe	42
PID 2360 wrote to memory of 2984	2360	Zoom.exe	42
PID 2360 wrote to memory of 2984	2360	Zoom.exe	42
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43
PID 2984 wrote to memory of 2104	2984	ZGNkNGFkNT.exe	43

C:\Users\Admin\AppData\Local\Temp\ZoomInstallerFull.exe
"C:\Users\Admin\AppData\Local\Temp\ZoomInstallerFull.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Program Files (x86)\Zoom\Zoom.exe
  "C:\Program Files (x86)\Zoom\Zoom.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:912
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1624
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1704
- - C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\OWFlMWIyMD.exe
    "C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\OWFlMWIyMD.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
      "C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\OWFlMWIyMD.exe"
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:1668
- - C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\ZGNkNGFkNT.exe
    "C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\ZGNkNGFkNT.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2984
  - - C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
      "C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\ZGNkNGFkNT.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2104

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

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Zoom\mscorrc.dll

Filesize
133KB

MD5
53e03d5e3bffa02fbc7fb1420ac8e858

SHA1
36c44c9ff39815aa167f341c286c5cd1514f771f

SHA256
23a433398be5135222ee14bb1de6334e7b22bad1a38664a83f1cf19dfbddd960

SHA512
f6aca16b90f6b4efa413dc9a8f1d05e83c1e3791b2cb988f9bce69d5272a0077c1edcae4111a494d166b5e3ab4e25956dead4e93ee1e43417c2b7bb082292170

Download Submit
C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\OWFlMWIyMD.exe

Filesize
935KB

MD5
70eb44eb0dd30b93164e79141f484bac

SHA1
7142ca3672c89611b5276f7e7840ba15df4b823b

SHA256
73dc36c220221e46ee9bd34e6bd6ae0cb567dc27b8434174dbe70998322aadf9

SHA512
b9e33050d8b1019ee513c5d5481e954027bc3caa92f2dc653b5062e90b357cbc890a19445314959c0166857cf72af78d4195c845a9d89a3761b6c0da51acbb86

Download Submit
C:\Users\Admin\AppData\Local\Temp\9d4ffcb4-6ecf-4b8c-bca9-5f25c14ebb8a\ZGNkNGFkNT.exe

Filesize
1.1MB

MD5
93171815851f50223dc6e4343ee82e56

SHA1
2bbe250758e5d1b8f4f0ad34911f82da69e018f1

SHA256
8a537682c8a328cd7f6220525e3cb63adf0323985fe4b109a3ff2df6fc228133

SHA512
966581c6da0007bf2b212536f682bdda14b777396c9035455bfc05935baca2e557eda63b27c114ab21b598a8b2b932e3f25d910072a9258f9c63c77b507f7b2d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3B3E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
b386a4a55a6c7998272f5a4bfd28c4ff

SHA1
e0651e191c16f565c30fe64b5034fb7430499bfb

SHA256
7b7fb473fdc1265d5916539ee42d1e4dd90b439c583905be5c4bece5e1c7bf26

SHA512
9b4d13a505e2f33871f628297dac8bb6972fd7f7313d6b0e716fad7ec273353b7feee7c2ceebd97a6a5086dacb8c7a153e24124a1e7d975ebfe351001af7af91

Download Submit
\Program Files (x86)\Zoom\D3DCompiler_47_cor3.dll

Filesize
4.7MB

MD5
03a60a6652caf4f49ea5912ce4e1b33c

SHA1
a0d949d4af7b1048dc55e39d1d1260a1e0660c4f

SHA256
b23e7b820ed5c6ea7dcd77817e2cd79f1cec9561d457172287ee634a8bd658c3

SHA512
6711d40d171ea200c92d062226a69f33eb41e9232d74291ef6f0202de73cf4dc54fbdd769104d2bb3e89dc2d81f2f2f3479e4258a5d6a54c545e56b07746b4c4

Download Submit
\Program Files (x86)\Zoom\PresentationNative_cor3.dll

Filesize
1.2MB

MD5
274761a595f86982214221b5685b3218

SHA1
b908013028cb07fb799de2e48b6492404add6069

SHA256
6d5910c0a0a4e3ee8863e4dadc73662d28ae9bfcda4a52960e26c1237386851a

SHA512
3f9cf3d8e428619b798374f2e2a6ef9cf4213428277a74306978552772aae1a4a9ae7247c2dc893c0054d480dda871bbd74b0bc4afd65b0f584958d501ed8867

Download Submit
\Program Files (x86)\Zoom\wpfgfx_cor3.dll

Filesize
1.9MB

MD5
627ecf139beed59b4e1b26caac8f68e4

SHA1
9747fe073aed451c936a66f8ad112bbb1a8c31c8

SHA256
0a01412b64e6889ace8933dd2f559d186b693aefe31e6b084e2d435b1737af39

SHA512
25bdb740039c867ce0cc1347493cf456e32d767c898a683da1306992ae77ed3605612c804c2eae483320f18f2cd0850c17226ef21e09fe07997aa47679b6030e

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/912-689-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/912-688-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/1624-696-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/1624-695-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2360-509-0x0000000002510000-0x0000000002560000-memory.dmp

Filesize
320KB

Download
memory/2360-533-0x0000000008A40000-0x0000000008A60000-memory.dmp

Filesize
128KB

Download
memory/2360-483-0x000000013FD1D000-0x000000013FD1E000-memory.dmp

Filesize
4KB

Download
memory/2360-501-0x0000000006E50000-0x0000000007050000-memory.dmp

Filesize
2.0MB

Download
memory/2360-525-0x00000000089B0000-0x00000000089D0000-memory.dmp

Filesize
128KB

Download
memory/2360-521-0x0000000008920000-0x00000000089B0000-memory.dmp

Filesize
576KB

Download
memory/2360-529-0x0000000008A00000-0x0000000008A10000-memory.dmp

Filesize
64KB

Download
memory/2360-636-0x000000000AF50000-0x000000000AF5A000-memory.dmp

Filesize
40KB

Download
memory/2360-635-0x000000000AF50000-0x000000000AF5A000-memory.dmp

Filesize
40KB

Download
memory/2360-646-0x000000013FD1D000-0x000000013FD1E000-memory.dmp

Filesize
4KB

Download
memory/2360-647-0x000000000AF50000-0x000000000AF5A000-memory.dmp

Filesize
40KB

Download
memory/2360-517-0x0000000008050000-0x0000000008880000-memory.dmp

Filesize
8.2MB

Download
memory/2360-537-0x0000000008AB0000-0x0000000008AD0000-memory.dmp

Filesize
128KB

Download
memory/2360-541-0x0000000008AF0000-0x0000000008B10000-memory.dmp

Filesize
128KB

Download
memory/2360-545-0x0000000008B30000-0x0000000008B50000-memory.dmp

Filesize
128KB

Download
memory/2360-513-0x00000000047C0000-0x0000000004800000-memory.dmp

Filesize
256KB

Download
memory/2360-505-0x0000000001CF0000-0x0000000001D30000-memory.dmp

Filesize
256KB

Download
memory/2360-496-0x0000000004660000-0x00000000047C0000-memory.dmp

Filesize
1.4MB

Download
memory/2360-492-0x0000000006930000-0x0000000006B60000-memory.dmp

Filesize
2.2MB

Download
memory/2360-488-0x00000000057A0000-0x0000000006700000-memory.dmp

Filesize
15.4MB

Download
memory/2360-484-0x0000000003390000-0x0000000004030000-memory.dmp

Filesize
12.6MB

Download