674a2383c388a1ea40ccf70bf040c8f65c17a71a86b5fbd5152b7104cd7f28e9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/08/2026, 04:30

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General

Target
GreenZip/GZipRetainSvr.dll
Size 145KB
Sample260806-e4yl7ax1ct
SHA256 674a2383c388a1ea40ccf70bf040c8f65c17a71a86b5fbd5152b7104cd7f28e9
MD5 19c426786bf26d34cc9fb42cf431590e
SHA1 f5d1d1efb768bb06d405ebf849f0c9a8cb718b2d
SHA512 d08ab5856ff00cfb1fa586482492e44bff8b78e963ee6d644ea23e95d28c841d27bd001897c5e4c5a10fa80122a16966656aede3244bdb201fad8dcb90b80091
SSDEEP 3072:bRhZz1dsrqx8v81lV6vh8YS5LQiWsJjeeJ3AE:9hZZdsrq9lVsnyLJ3AE
TLSH
T132E37D1075808432E5BE19382878DB626B7EB960CF748DD763A8467D4F742C1AE38F76
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	1452	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1452	640	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\GreenZip\GZipRetainSvr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\GreenZip\GZipRetainSvr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 620
    3⤵
    - Program crash
    PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1452 -ip 1452
1⤵
PID:4308

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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