e5a47b043c39a7fbd37982aa7f3af297c003a27a7c7001ffd79bf53d43e1ab1f

Analysis

max time kernel
149s
max time network
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, 03:54

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General

Target
2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
Size 3.5MB
Sample260523-ef91bae12z
SHA256 e5a47b043c39a7fbd37982aa7f3af297c003a27a7c7001ffd79bf53d43e1ab1f
MD5 d48ac76cc22096ff23f107e043e73cc1
SHA1 7356cdeca70b312ac058b90abc56a01579b2350f
SHA512 de5b5ddd7b1ade5f8ee83cc58793c32b990bcb9898587796474f37570c612cd83061c6609fadb2ff23eab7c7c479c459d50310609c895dd12a8240db1954ecb3
SSDEEP 98304:hfUbwUzQn7OvKjKWQckVgtev5mnlNL4mn7OV:hfUMpnSUKWQc0gEYnvL4mnSV
TLSH
T13906F112B6D480F2E1F2063299268571AF79FD241B20C65F63D4BA2D6F726C0BB37752
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

ransomware spyware stealer

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/files/0x000b0000000268a5-6.dat	UPX

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\write.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\bfsvc.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\notepad.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\regedit.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\explorer.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\HelpPane.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\hh.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\splwow64.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
File created	C:\Windows\winhlp32.exe	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.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
1836	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1836	1104	2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_d48ac76cc22096ff23f107e043e73cc1_amadey_cobalt-strike_coinminer_glassworm_hellokitty_hija.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL3BAC.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1836

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 3.9MB
SHA256 730531ed42652db372cdf165d40c872113261f7a6468bec9b1582a6e59d188af
MD5 6ea54678f3349361ebec93fdc4605444
SHA1 b588f462e78e2b814ac3c041d0bf9ded32811e9c
SHA512 2baf41b0d16132dc84d4e96a0817755584632404c6818e3b2fee5a623dfeddc2bd6bf7b5f377d58f6c960ef784fb39626fd35c8dfb2616e92d9fd909ee91dec4
SSDEEP 98304:hfUbwUzQn7OvKjKWQckVgtev5mnlNL4mn7OVPF:hfUMpnSUKWQc0gEYnvL4mnSVP
TLSH
T1F916E122B6A040B2D1F20672A9259231BF79FD242B10C55FA3D4BE2D2F765C1BB77352
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WEL3BAC.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL3BAC.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH