5869a0ebad4731751c9c21975a2861363fabd79985fe93d3c4cb3595a6da23c7

Analysis

max time kernel
898s
max time network
448s
platform
windows11-21h2_x64
resource
win11-20260513-es
resource tags

arch:x64arch:x86image:win11-20260513-eslocale:es-esos:windows11-21h2-x64systemwindows
submitted
24/08/2026, 04:38

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General

Target
uninst Purity.exe
Size 212KB
Sample260824-e9g7dsshpb
SHA256 5869a0ebad4731751c9c21975a2861363fabd79985fe93d3c4cb3595a6da23c7
MD5 cd3286e328c8f5a6cfc58bccfdc6b6ba
SHA1 a39ff471ec081ec1a89d5511e1a87fd1c2e4462d
SHA512 a96ca8cc6ee6e26940345bbeb2a639577322b03fa0146f24ba5fca3e7a1313c3e7911fb8a3b232dab75a958a3acbb970466979089d5fb90b05602c4b3142b53a
SSDEEP 3072:XLk395hYXJewl03IT2TkMjKK1HNz0DPWFjdhdWdyWmlvJYDBW7gYN:XQqkwkI6kMBn0KFj18IYWF
TLSH
T190248C447188846BCE5A42334F279B5FE9634ADD5D30211B2AACAF6F393737711288F2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1016	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1016	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1016	Au_.exe
1016	Au_.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 2 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	uninst Purity.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral22/files/0x001f00000002b2ae-3.dat	nsis_installer_1
behavioral22/files/0x001f00000002b2ae-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1016	4544	uninst Purity.exe	80

C:\Users\Admin\AppData\Local\Temp\uninst Purity.exe
"C:\Users\Admin\AppData\Local\Temp\uninst Purity.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1016

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nsk36F5.tmp\InstallOptions.dll
Size 14KB
SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
MD5 325b008aec81e5aaa57096f05d4212b5
SHA1 27a2d89747a20305b6518438eff5b9f57f7df5c3
SHA512 18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf
SSDEEP 192:86d+dHXLHQOPiY53uiUdigyU+WsPdc/A1A+2jwK72dwF7dBEnbok:86UdHXcIiY535zBt2jw+BEnbo
TLSH
T1ED622A11778888F3DBD2013EB4533707AF9D5126B4929ED2CA271ECA6D2B05D7EB2346
MD5 SHA1 SHA512 SSDEEP TLSH

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LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsk36F5.tmp\LangDLL.dll
Size 5KB
SHA256 60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5
MD5 9384f4007c492d4fa040924f31c00166
SHA1 aba37faef30d7c445584c688a0b5638f5db31c7b
SHA512 68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf
SSDEEP 48:iV6pAvmNC6iMPUptxEZK65x/AmvycNSmwVsOYJyvrpXptp/JvR0Jlof5d2:2811GED5ZTvycNSmwVsTJuftpZR0Sd2
TLSH
T129C18333B3C24AF5D6950633252373C366539E342359804F9B6712AA69208FBDD6E793
MD5 SHA1 SHA512 SSDEEP TLSH

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsk36F5.tmp\ioSpecial.ini
Size 656B
SHA256 b7a0a15a58418ce50036901d6fdbf8042ef59dd0254153eb04f61baeac21c6f3
MD5 e3fd2a7fc63254624b6cb0a31f86c82d
SHA1 2c2907f1d39b628e2fa3adc99f000b5e9662e87a
SHA512 13d7be713dadcae7523cc855b7e32cd227752b9813d5c353a6031251fdce775337fb3da8c54b793d2c8306fa90c0cbb941919e402a3be76c25d4e009dd7cc14f
TLSH
T148F09EC5816693352C10817A60BA36D5B3E01E704B4635F0AC674843934CDDE49EA593
MD5 SHA1 SHA512 TLSH

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsk36F5.tmp\ioSpecial.ini
Size 682B
SHA256 092181cc7b72bc0ac3d08823d91415a92da7df19f93b8fb0088f99216391944d
MD5 2e68f3c14eca0cf2f9c0c1930f50a6d0
SHA1 d750dd74457beb2b9dffaeac84c7ca49ab5a5da3
SHA512 8c18a686c08b861aa291e001a7b7aa46192cb6fc07939063b9a628097a0957a3f6318602c9cf3814848481cea10411ba6b92ee44ba7b5d6dd802a15676696054
TLSH
T19C01FEC5817A93342C10867BA0BA32D5B3E01E744B4635F0EC678843834DCCE8AEB583
MD5 SHA1 SHA512 TLSH

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 212KB
SHA256 5869a0ebad4731751c9c21975a2861363fabd79985fe93d3c4cb3595a6da23c7
MD5 cd3286e328c8f5a6cfc58bccfdc6b6ba
SHA1 a39ff471ec081ec1a89d5511e1a87fd1c2e4462d
SHA512 a96ca8cc6ee6e26940345bbeb2a639577322b03fa0146f24ba5fca3e7a1313c3e7911fb8a3b232dab75a958a3acbb970466979089d5fb90b05602c4b3142b53a
SSDEEP 3072:XLk395hYXJewl03IT2TkMjKK1HNz0DPWFjdhdWdyWmlvJYDBW7gYN:XQqkwkI6kMBn0KFj18IYWF
TLSH
T190248C447188846BCE5A42334F279B5FE9634ADD5D30211B2AACAF6F393737711288F2
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads