a0f139f3c4b6e43e683f3e144c8da7e21f7edd2f23a27483f78a3481ff7ef034

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, 00:08

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General

Target
2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
Size 3.0MB
Sample260523-afcbtsbv4v
SHA256 a0f139f3c4b6e43e683f3e144c8da7e21f7edd2f23a27483f78a3481ff7ef034
MD5 2d8293c0545d62fa3f7defa31c66c413
SHA1 5543a83457a3e8a5a67d7f1082ce2a687534c539
SHA512 16ba3f3b9a7b6959d4f6b734b404ad597747c48874e12012569152112f194b4b89f7256a819bec701b7693fbae1615f316951dc157bda561bb85cc6e02c78fcd
SSDEEP 49152:ymnf4baczEJ/ev6v+OU/zXNUfEeXAxhF2rl/IuOryOvKODjj3POMjUfkptVxp/Q:Dn7OokOU/jIEeQfoR/IuOFVjUu5m
TLSH
T1E5E59E127AD58072F1B312319DB982659675BCA5473286EF73CC662E4F31AC18E36F23
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/0x000c000000025fd1-6.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\bfsvc.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\explorer.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\hh.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\notepad.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\splwow64.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\HelpPane.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\regedit.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\winhlp32.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
File created	C:\Windows\write.exe	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.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
1720	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1720	748	2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-22_2d8293c0545d62fa3f7defa31c66c413_amadey_cobalt-strike_coinminer_darkgate_glassworm_hijack.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:748
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELF339.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1720

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 3.4MB
SHA256 1dfc53dcd6904787ef855c8a7ac9d93fc5a09a0c99c199884e9ea14b1ae6076c
MD5 5a682d7758bb471cd5a156654659b8db
SHA1 f2a3f8f5b568886422fae7528c4a9d7f613cf5a3
SHA512 60e98c022dc017d2b1c39b5a258c79f7c181377f7cb3952d8181a691d7019e1b2df1545fec94288be2c5c54860c70423c256cfd774145d932ccbc39a84969a99
SSDEEP 49152:ymnf4baczEJ/ev6v+OU/zXNUfEeXAxhF2rl/IuOryOvKODjj3POMjUfkptVxp/+C:Dn7OokOU/jIEeQfoR/IuOFVjUu58PF
TLSH
T1CAF5AE22B6E58032E1B316319D78C264AA75B965473285EFB3CC662E5F305C19F36F23
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WELF339.tmp

Path C:\Users\Admin\AppData\Local\Temp\WELF339.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH