Analysis
- max time kernel
149s - max time network
150s - 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, 04:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe
Resource
win11-20260513-en
5 signatures
150 seconds
General
- Target 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe
- Size 3.4MB
- Sample260523-fedfdsc12m
- SHA256 7d1631cd5204acafd68bb452b15d34a1091ec3890207e192701f6c21a12b7190
- MD5 44673965260303493b6fdf468b35fe26
- SHA1 7aea3d01f5c49fc51ceb74fc1d8b73928694ee38
- SHA512 e5a96bb1a6cc1d42a049dfa060f66aef1db099859bea37643d2bea1565354511ebec6f98f663b9f81ae8032c0d7270765fb557f83bbb56d8e1409f38726eaf81
- SSDEEP 98304:A/j9TIc8NxLT/j9TIc8NxL0WKjKWQckVgtev5mnlNL:A/jCV/jC27KWQc0gEYnvL
- TLSH T110F5D032A1A040B6E2F20572D9348530BE79FA241760CA9FA3D4AD2D2F755D1AF7B713
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\explorer.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\HelpPane.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\regedit.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\splwow64.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\winhlp32.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\bfsvc.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\hh.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\notepad.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe File created C:\Windows\write.exe 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Opens file in notepad (likely ransom note) 1 IoCs
pid Process 588 notepad.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5152 wrote to memory of 588 5152 2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_44673965260303493b6fdf468b35fe26_amadey_cobalt-strike_coinminer_hellokitty_hijackloader_i.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5152 -
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL5956.tmp2⤵
- Opens file in notepad (likely ransom note)
PID:588
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
- Size 3.9MB
- SHA256 92701423a3c19e53e1d3a6a3b772d3e3557eeaac185ffe0e5fcd822db71800fd
- MD5 26979a0fff1aa9d2ded30187bcad26c3
- SHA1 2b856f1215d1b0742017b215e82fc035baccdb68
- SHA512 eb0f91b3be9d008fa2c02a5a52f6c66a2ab9d69b6aba534b7079e872cdd016b494933c3203c3bbcd07307ef28f804e63eb5d379683d1b3650fa8226746bf4378
- SSDEEP 98304:A/j9TIc8NxLT/j9TIc8NxL0WKjKWQckVgtev5mnlNLvPF:A/jCV/jC27KWQc0gEYnvLvP
- TLSH T1F416C032A5A040B6E2F20572E924D5307E79F6241B20CA9F93D4AD2D2F755D1AFBB313
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\WEL5956.tmp
- Size 52B
- SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
- MD5 17ddbb82a40e2ac704e1045da8fb1cf6
- SHA1 a570cdbc16483567fe1439903b212e33b15343b7
- SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
- TLSH T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
- MD5 SHA1 SHA512 TLSH