42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a

Analysis

max time kernel
150s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 08:48

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General

Target
42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
Size 2.7MB
Sample260817-kqs3faad36
SHA256 42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a
MD5 78ce87ec90bfcc4cd096fae6bfe09cad
SHA1 71997966704631bbfb8b1baf8128a6f22715d7e4
SHA512 01b3c0375b950838b1a08522750db459c257b99ed93715cd580a1864567ea037edf6f74f7e64b371e3aab1d4da2bdbe41310130f8c77f9fd92d0f339205273d2
SSDEEP 49152:FR06frJOU3jMyRGPmeuSjnT9M8r96oRHpIFQKHcD7J:w6oU3jMy0mlqMgAoxsm
TLSH
T1DBD5D0DC5D42CD2EE289A0F8A58467CFA228620442255CF2FDB2740DF71DF66A1EEC5D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution installer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1148	cvnnthpvgq.exe
4752	cvnnthpvgq.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MYPGNotes\is-MFCCT.tmp	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-NQ28E.tmp	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-9C4QB.tmp	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-FN2PA.tmp	cvnnthpvgq.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\unins000.dat	cvnnthpvgq.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\AppleNote.exe	cvnnthpvgq.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\Qt5Concurrent.dll	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\unins000.dat	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-P63T4.tmp	cvnnthpvgq.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-RDMDG.tmp	cvnnthpvgq.tmp

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4296	cmd.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	cvnnthpvgq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvnnthpvgq.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

Inno Setup installer

installer

resource	yara_rule
behavioral2/files/0x000c000000019caa-6.dat	innosetup
behavioral2/memory/1148-8-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup
behavioral2/memory/1148-44-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5080	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
5080	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
5080	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
5080	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
4752	cvnnthpvgq.tmp
4752	cvnnthpvgq.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	cvnnthpvgq.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4296	5080	42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe	89
PID 4296 wrote to memory of 1148	4296	cmd.exe	91
PID 1148 wrote to memory of 4752	1148	cvnnthpvgq.exe	92

C:\Users\Admin\AppData\Local\Temp\42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe
"C:\Users\Admin\AppData\Local\Temp\42596ddbe504cb7a12b5a5b2b598ec782151c75eacd51bd24060356696c09a1a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\cvnnthpvgq.exe" /VERYSILENT
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4296
- - C:\Users\Admin\AppData\Local\Temp\cvnnthpvgq.exe
    "C:\Users\Admin\AppData\Local\Temp\cvnnthpvgq.exe" /VERYSILENT
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1148
  - - C:\Users\Admin\AppData\Local\Temp\is-C3FVU.tmp\cvnnthpvgq.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-C3FVU.tmp\cvnnthpvgq.tmp" /SL5="$80194,232785,54272,C:\Users\Admin\AppData\Local\Temp\cvnnthpvgq.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      PID:4752

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

cvnnthpvgq.exe

Path C:\Users\Admin\AppData\Local\Temp\cvnnthpvgq.exe
Size 526KB
SHA256 e0634bc21490c472b233aaec047438feae557f0d57ea5b78b3b48260916e2b4e
MD5 9beea33ea128fd25ad509ae7ff7bcff3
SHA1 3a87a124b47d68bf8eb1d1a4f9695fb2b2a52660
SHA512 292996177bbb804ea3f6ad51fdb74707f1a1a35d50d8ae7b082d88cbb476bae1a883133c9e1dc4cefce78bc71f8d65276e5cdaeeef03088bc54beb41269dc5b3
SSDEEP 12288:7ybLWvbUj+sC0VISzFot5t/PDwUwfpdvNLo61fFBy91OU:7y38UjrWJtzRwrho61/u
TLSH
T1B7B42383B6D098B8E87285702DA5C145AD733D156C38B02976EDAE6D9F331B1EA0F347
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cvnnthpvgq.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-C3FVU.tmp\cvnnthpvgq.tmp
Size 900KB
SHA256 e8730b0bf8f94cbb8babbfefb32cef8e8d19ec823f28c33a7d48c78589710762
MD5 f8b110dc2063d3b29502aa7042d26122
SHA1 1a0fd3db79eadc1ce714f6267d476ddbec0f5e79
SHA512 f3125d3f575aff68105ebb3eadbce30547d34e12237d8ebbc555c6fe12bcc0a5ea85a38e26f2900d70af70ec07efde3b8cd65dc0fdada637496531245ea5052f
SSDEEP 24576:dkHgKPNrPA37hzHIA6/oR36vln6sYEubnhRgZtnTZDExa/:d6frPA37hzHIA6/3UvjhRgZ9Te
TLSH
T122158C22F280C437C1B31A749E5786D5693BBE053E38A9DB7BF91F4C4E3964139262D2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1148-10-0x000000000040D000-0x000000000040E000-memory.dmp

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memory/1148-8-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1148-44-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4752-16-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/4752-17-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/4752-43-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/5080-0-0x0000000000B70000-0x0000000000E1D000-memory.dmp

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memory/5080-1-0x0000000010000000-0x0000000010297000-memory.dmp

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