w33dy_stealer | 10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148

Analysis

max time kernel
149s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
13/03/2026, 17:01

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General

Target
10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe
Size 56KB
Sample260313-vjld5ad16x
SHA256 10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148
MD5 b7b07589562a59e5cf80559415017829
SHA1 2188a326187e1372bba26d95cbb32ca4c7cf0ff4
SHA512 c61ab9a27bb7919191700049e639d39cd225bdf7cb8874d970e4a25ab75f62fd07b590054be6b01269c092ae8a764b3bfe9d41b4484aff199f8c9b4a54fa4fab
SSDEEP 768:nqGbyITj+zzICInthExicuvGqd6mUI/I94xKSAdM8:NJ3mcfcuvGUhI+dYM8
TLSH
T1C0432A0D339D8663E2BE977958A2A60047F1D04B5822E74E19C1D8E4AB71FF42D5CAF3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery w33dy_stealer spyware stealer

Malware Config

Signatures

Detects W33DY Stealer 1 IoCs

resource	yara_rule
behavioral2/files/0x001c00000002b412-5.dat	family_w33dy_stealer

W33dy
W33dy is a Windows stealer written in C#.
stealer w33dy_stealer
W33dy_stealer family
w33dy_stealer

Deletes itself 1 IoCs

pid	Process
5352	gZNhY.exe

Executes dropped EXE 1 IoCs

pid	Process
5352	gZNhY.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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gZNhY.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5352	gZNhY.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5352	gZNhY.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 5352	2620	10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe	80

C:\Users\Admin\AppData\Local\Temp\10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe
"C:\Users\Admin\AppData\Local\Temp\10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Roaming\gZNhY.exe
  C:\Users\Admin\AppData\Roaming\gZNhY.exe C:\Users\Admin\AppData\Local\Temp\10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5352

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

gZNhY.exe

Path C:\Users\Admin\AppData\Roaming\gZNhY.exe
Size 56KB
SHA256 10546c6182e86444e89ea5933f0ed3d832986a76203047577eac64978510c148
MD5 b7b07589562a59e5cf80559415017829
SHA1 2188a326187e1372bba26d95cbb32ca4c7cf0ff4
SHA512 c61ab9a27bb7919191700049e639d39cd225bdf7cb8874d970e4a25ab75f62fd07b590054be6b01269c092ae8a764b3bfe9d41b4484aff199f8c9b4a54fa4fab
SSDEEP 768:nqGbyITj+zzICInthExicuvGqd6mUI/I94xKSAdM8:NJ3mcfcuvGUhI+dYM8
TLSH
T1C0432A0D339D8663E2BE977958A2A60047F1D04B5822E74E19C1D8E4AB71FF42D5CAF3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2620-0-0x0000000074841000-0x0000000074842000-memory.dmp

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memory/2620-1-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/2620-10-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/5352-7-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/5352-8-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/5352-12-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/5352-15-0x0000000074840000-0x0000000074DF1000-memory.dmp

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