9a9c8f7eab95b83326157c4a4106126394f32383cd1e9a01613b6def73a2fc9a

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 00:23

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General

Target
2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
Size 2.3MB
Sample260523-aptbpsbz3w
SHA256 9a9c8f7eab95b83326157c4a4106126394f32383cd1e9a01613b6def73a2fc9a
MD5 dccfd2604159c7334bed532b9d357a18
SHA1 d50605825c5d77d1657834af1cccbd4d9caaae2c
SHA512 3fb032e222c84e673c332b4a223d81373ffb680fa8e9b45ec8ae4d291abf09ed99b1495ae91c1bce85b5d60d78f5d550547f9e289d78b61bb5bf2b9b086628a4
SSDEEP 49152:4bQDd79WCokKjKWQc2b1FVgbjrjxPe1pbPSQm1Flo+Lj:5p7VKjKWQckVgtev5mnlNL
TLSH
T130B5E0157BE5A076F1B349308A3B86119A35BC715B60A3DF53C0AA7D4E31AC0EE39F16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

ransomware spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\winhlp32.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\bfsvc.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\regedit.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\splwow64.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\write.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\explorer.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\HelpPane.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\hh.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\notepad.exe	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe

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

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3276	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 3276	2888	2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-22_dccfd2604159c7334bed532b9d357a18_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL8D57.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3276

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

vcredist_x86.exe

Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
Size 2.8MB
SHA256 5661dc3c1c0d2915464349f1c0f59addcd65d50b0b0d0761c8a17091e06691a3
MD5 82a1824e3ecad0b335f58f2f81ef377c
SHA1 18c8d58b9c57f9fe9a1f4b69015e3309084af76e
SHA512 d4021d7f8a40865a46b13cd412a491e3668863e01db33c1695b7384eacc8cf3a9d8cab0906f9633b448afd384aecdc89285198a61366d1a8db50a5d038c5e0c3
SSDEEP 49152:4bQDd79WCokKjKWQc2b1FVgbjrjxPe1pbPSQm1Flo+LjzUasqc:5p7VKjKWQckVgtev5mnlNLvPF
TLSH
T1DBD5D021A7E05036F2F20971D9368220AE39BD255B2096EF53C0BE7D5E716D1EE36B07
MD5 SHA1 SHA512 SSDEEP TLSH

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WEL8D57.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL8D57.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH