a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123

Analysis

max time kernel
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
12/09/2026, 20:05

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General

Target
a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
Size 7.0MB
Sample260912-yt144stemf
SHA256 a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123
MD5 a2cd51ae37660f9e18c4529f651686be
SHA1 8684ec33309f63358cea7340e8535377e55b0cbc
SHA512 5aeb504f6e3f8b3a266595feed0bf9d1a8584c6380d35a86e3cdd0da5799663e520bebccaab03ff411f5b32f70d2897c925069d15bb38b9f2207c621ca8b70f6
SSDEEP 98304:QKRuy5a/OU/jIEeQfoR/IuOFVjUu55K2cPK8xi+4jR4TUvye:QquFIF0wuPlCKrjR
TLSH
T17A769E0273D85475F5B316319A3592695A3ABCA58F32CA8F338C2D5D6FB16808E39733
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

ransomware spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe

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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000500000001e5d1-6.dat	autoit_exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\winhlp32.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\bfsvc.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\hh.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\notepad.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\regedit.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\write.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\explorer.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\HelpPane.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
File created	C:\Windows\splwow64.exe	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.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
3868	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 3868	3068	a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe	86

C:\Users\Admin\AppData\Local\Temp\a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe
"C:\Users\Admin\AppData\Local\Temp\a04eefba2011e01276c4300e2783bf471d3a0648989bd4ec9eeef8f5fea94123.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL9219.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3868

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

Query Registry

T1012

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 7.4MB
SHA256 0b042fb0f9085896d20ac18ee2392a2e5372899655daa78b34b9fc4ee1cb4313
MD5 2d36ef647ac02478d441ffa1c0acec22
SHA1 eaf81870045156485d50ce1d576e9c8c1923f51a
SHA512 3151886f53c02552ba2d9836ba0cf48e787729a16d718edc5fe20e463f6b08c6c18dae418be8e3dd315b779c179b338866f2cbb5c04c7b2dc19cafe522f39762
SSDEEP 98304:QKRuy5a/OU/jIEeQfoR/IuOFVjUu55K2cPK8xi+4jR4TUvyeVPF:QquFIF0wuPlCKrjRRP
TLSH
T1C1769E1277D84075F1B316319A3592646A3ABCA58F32C99F33882D5D6FB16C09E3A733
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WEL9219.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL9219.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH