3ab7f4ee50927288f45b6399eacde13ccac54736cf3383b5bd5fda556529c2a8

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 23:27

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General

Target
2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
Size 13.7MB
Sample260415-3fsm2aby8m
SHA256 3ab7f4ee50927288f45b6399eacde13ccac54736cf3383b5bd5fda556529c2a8
MD5 c5ad96d8e6439cf39a058b4515128785
SHA1 0f1fe4da37038ff8ef1100cb0b2431d7dd70b0d7
SHA512 584d6121097aaacd51342bdd356bbbd4189d2d99fae657c0ae7fb29e8aac80ccb840099b67dd564773792b56f88f98e7f764510cbc7b863d85834975dfbd2f45
SSDEEP 393216://C/bn//C/bn8CA/C/bn//C/bn8CHmHN6+Jrvc:gg8C1g8CGbr0
TLSH
T14FE69D6066F614FAE1BB917599758731DA717C230330938F23BCD68A2E637905E3A723
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

ransomware spyware stealer

Malware Config

Signatures

Custom signature

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/files/0x000c0000000260f6-6.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\explorer.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\regedit.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\splwow64.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\winhlp32.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\bfsvc.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\HelpPane.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\hh.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\notepad.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
File created	C:\Windows\write.exe	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.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
5300	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 5300	5108	2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-15_c5ad96d8e6439cf39a058b4515128785_amadey_cobalt-strike_coinminer_glassworm_hijackloader_ic.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELCFE3.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:5300

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 14.1MB
SHA256 7b388a158522348bb4d3a90570902cea7e9f1bc98f6c5f9821be8d371d257bca
MD5 e784c16366fd4bdd89bbd59cc397b7d1
SHA1 2c7d27abc6e91128e51eebad2975de190e89a559
SHA512 749e24d5008d754c90cb66b19adeb6e4bfbe432302051bda014d41eaa6844de5825f972989025370a87ee2654f453b516193d2d45b58c5279919884c298e433f
SSDEEP 393216://C/bn//C/bn8CA/C/bn//C/bn8CHmHN6+Jrv:gg8C1g8CGbr
TLSH
T18DE69D6062F614FAE1BB917599758731EA717C270330934F23BCD68A2E637905E3A723
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WELCFE3.tmp

Path C:\Users\Admin\AppData\Local\Temp\WELCFE3.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH