9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/08/2026, 14:39

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General

Target
9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
Size 2.7MB
Sample260831-r1c8astfna
SHA256 9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4
MD5 ecc09364c0e4e5ed474c49c0e552ce71
SHA1 60a6acba9ae0efddf6fa00a09c5f74579f5bfb20
SHA512 b6e498c5a8bbb70c8bc4dafd9ac6f0c3c3686eee291681a9dab896b94626f4c9b986ca5f08017bc3f8ed69a83381245331d49f3df44a6772e18b628e3e68e047
SSDEEP 49152:xbER+Mn1K4B9qXzc9MECDGiZ3mgPqFzZH0c:xbEB1KqKz05CPZ3mgyFz1
TLSH
T1AED5DFE88AF54895FB31987C4B11E9C58EEC2D59BD18ECA7010AC88D6DB1BC4601FB77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution installer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4204	lchrkxtwvt.exe
1408	lchrkxtwvt.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-Q1V10.tmp	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-GNCAG.tmp	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-SCFV0.tmp	lchrkxtwvt.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\AppleNote.exe	lchrkxtwvt.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\Qt5Concurrent.dll	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\unins000.dat	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-GE6M8.tmp	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-LQB5S.tmp	lchrkxtwvt.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-VEVNK.tmp	lchrkxtwvt.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\unins000.dat	lchrkxtwvt.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
1192	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lchrkxtwvt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lchrkxtwvt.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe

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

Inno Setup installer

installer

resource	yara_rule
behavioral2/files/0x000800000001b85f-6.dat	innosetup
behavioral2/memory/4204-9-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup
behavioral2/memory/4204-44-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4312	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
4312	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
4312	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
4312	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
1408	lchrkxtwvt.tmp
1408	lchrkxtwvt.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1408	lchrkxtwvt.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 1192	4312	9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe	89
PID 1192 wrote to memory of 4204	1192	cmd.exe	91
PID 4204 wrote to memory of 1408	4204	lchrkxtwvt.exe	92

C:\Users\Admin\AppData\Local\Temp\9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe
"C:\Users\Admin\AppData\Local\Temp\9ae040b7fdf2b7c77ad7bb2106acf007dd869f6bd0ea9118cf94dd45a90aa1e4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\lchrkxtwvt.exe" /VERYSILENT
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Users\Admin\AppData\Local\Temp\lchrkxtwvt.exe
    "C:\Users\Admin\AppData\Local\Temp\lchrkxtwvt.exe" /VERYSILENT
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4204
  - - C:\Users\Admin\AppData\Local\Temp\is-B4GI9.tmp\lchrkxtwvt.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-B4GI9.tmp\lchrkxtwvt.tmp" /SL5="$D004A,232785,54272,C:\Users\Admin\AppData\Local\Temp\lchrkxtwvt.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:1408

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

lchrkxtwvt.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-B4GI9.tmp\lchrkxtwvt.tmp
Size 900KB
SHA256 e8730b0bf8f94cbb8babbfefb32cef8e8d19ec823f28c33a7d48c78589710762
MD5 f8b110dc2063d3b29502aa7042d26122
SHA1 1a0fd3db79eadc1ce714f6267d476ddbec0f5e79
SHA512 f3125d3f575aff68105ebb3eadbce30547d34e12237d8ebbc555c6fe12bcc0a5ea85a38e26f2900d70af70ec07efde3b8cd65dc0fdada637496531245ea5052f
SSDEEP 24576:dkHgKPNrPA37hzHIA6/oR36vln6sYEubnhRgZtnTZDExa/:d6frPA37hzHIA6/3UvjhRgZ9Te
TLSH
T122158C22F280C437C1B31A749E5786D5693BBE053E38A9DB7BF91F4C4E3964139262D2
MD5 SHA1 SHA512 SSDEEP TLSH

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lchrkxtwvt.exe

Path C:\Users\Admin\AppData\Local\Temp\lchrkxtwvt.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

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memory/1408-16-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/1408-17-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/1408-43-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/4204-8-0x000000000040D000-0x000000000040E000-memory.dmp

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memory/4204-9-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4204-44-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4312-0-0x00000000007B0000-0x0000000000A5C000-memory.dmp

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memory/4312-2-0x0000000010000000-0x0000000010297000-memory.dmp

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