9c5cf8db59b29dc789975fea8189c09aacd52b64dd700aad7d5ac23412511e5f

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, 03:47

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General

Target
2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
Size 3.6MB
Sample260523-ecckmsez2y
SHA256 9c5cf8db59b29dc789975fea8189c09aacd52b64dd700aad7d5ac23412511e5f
MD5 cc8c8dd3da9fc6d9788a85bbbe089676
SHA1 b947a348842cc2ef92f8427bc678bdbed7efb0ea
SHA512 599096bc022b633a4c4e7e01e329182b4ae6b3c0f6bfad36cd17d1593fdf0228c0685ebcb6e6e8891eeac8523013c91de08e19c5900edda62152a67688dc818a
SSDEEP 49152:ETdT0+4gAjhewqTC5Ny6i1zuajsauZjapKjKWQc2b1FVgbjrjxPe1pbPSQm1FloS:T+4jD5NtQKjKWQckVgtev5mnlNL
TLSH
T16606AE1833F80D66E1BB5A359A7085519D77BC311F30D3CF26909A6D3E36AC0993AB63
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\bfsvc.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\explorer.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\HelpPane.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\notepad.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\regedit.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\winhlp32.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\write.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\hh.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
File created	C:\Windows\splwow64.exe	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_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
4364	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 4364	4820	2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe	82

C:\Users\Admin\AppData\Local\Temp\2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_cc8c8dd3da9fc6d9788a85bbbe089676_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL1CAB.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4364

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 4.0MB
SHA256 5693cd35fcf6c093f941d600f3b303e5a198e6b5ac27d9e9b9b27df792d3f7e2
MD5 322038d90b39387421e722d6027a4104
SHA1 883ecb44ab3151cff1d04fab5dda714e19e1aaab
SHA512 288d80a7a7ba8a8eb7b5104b5a5c244704aa3c03241e16a75a0ec397fe441734b96f35e9b0172a71719f580994e26864f4d6ddcea012f456b8aa1b55aa6b559e
SSDEEP 49152:ETdT0+4gAjhewqTC5Ny6i1zuajsauZjapKjKWQc2b1FVgbjrjxPe1pbPSQm1FloF:T+4jD5NtQKjKWQckVgtev5mnlNLvPF
TLSH
T12116AE2473F80926E2BB4675E97085515D77BC251F30D2CF2390AE6D3E36AC0993AB63
MD5 SHA1 SHA512 SSDEEP TLSH

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WEL1CAB.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL1CAB.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH