Analysis
- max time kernel
149s - max time network
138s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 09:36
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe
- Size 6.9MB
- Sample260424-lldydsd16s
- SHA256 fe71ebd20280b8ab2919c89dd246433de31d763606dc8c23afd20454df102577
- MD5 e98b911d5dd95fde3e528983a3514d40
- SHA1 a93b97dadb8eae0aa633320c8cb6c37c40a599cc
- SHA512 3ee62df713ba48df06d9e2140f7de0e0e28989ba47c719fced2da32c96a3b0dce632273f6cae8b3574704432ebfd312e0ff388acb8b181589ea19f0fe9ac075a
- SSDEEP 98304:nn7OXn7Oj7pp0n7OXn7Oj7pphLyOhtKjKWQckVgtev5mnlNLZyYK:nnSXnSf0nSXnSfhLyOAKWQc0gEYnvLLK
- TLSH T13B76BF0273E868F5E0B256308A7681659B76FC519931CB4F33903E9D6FB6681BD34B32
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
resource yara_rule behavioral2/files/0x00090000000268e2-6.dat INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender - Custom signatureUPX dump on OEP (original entry point) 1 IoCs
resource yara_rule behavioral2/files/0x00090000000268e2-6.dat UPX - 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\bfsvc.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\HelpPane.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\regedit.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\winhlp32.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\write.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\explorer.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\hh.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\notepad.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe File created C:\Windows\splwow64.exe 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.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 1484 notepad.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2312 wrote to memory of 1484 2312 2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-24_e98b911d5dd95fde3e528983a3514d40_amadey_cobalt-strike_coinminer_hawkeye_hellokitty_hijack.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL9313.tmp2⤵
- Opens file in notepad (likely ransom note)
PID:1484
-
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 7.4MB
- SHA256 69ed480c7233c1173165a8e0b31f10c77e6637781f1bb1efecaecf448ccabb8e
- MD5 be433ba3525d204256572c9ddce45e70
- SHA1 7d44efd8da426ac9b96524a1bf4b56c00a153d53
- SHA512 144f138382361b2e2cbac36f4331285318f46fb2e08c22dd510f9b2134162d3f6b4c3e4984a248ae14306a92ecd0a44121cb5d7d7f9e701faa7afe9396699019
- SSDEEP 196608:nnSXnSf0nSXnSfhLyOAKWQc0gEYnvLLoP:nwvw8dcZEIv
- TLSH T1A676BF0273E858F5E1B206308A7181659B76FC519A31CE4F33907E9D6FB6681BE35B32
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\WEL9313.tmp
- Size 52B
- SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
- MD5 17ddbb82a40e2ac704e1045da8fb1cf6
- SHA1 a570cdbc16483567fe1439903b212e33b15343b7
- SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
- TLSH T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
- MD5 SHA1 SHA512 TLSH