9f3ff2884a2c61006cd0a92b7572a815b8dc17012be7747a6abd6ca07c503a3b

Analysis

max time kernel
898s
max time network
475s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
01/10/2026, 11:14

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General

Target
pe-sieve64.exe
Size 1.2MB
Sample261001-nb5dpsyfjg
SHA256 9f3ff2884a2c61006cd0a92b7572a815b8dc17012be7747a6abd6ca07c503a3b
MD5 3af7965ae0f9a0700c17d964ae67d720
SHA1 3d0ff70ac2947369737743d968063e7816991109
SHA512 0ff722b5bb61909dd77e4e3f2e2d302d3b96059767b6f234254065941738152b5c9025d51b694b457534cd18bc51ba8504514bce0b6cfbab38a282d7ec59ae6e
SSDEEP 24576:ua7d0ctDSVmqZzHBLmgCCMU1WXqWMmChYzKsQQGr89:ua7dntDSV9eyWX5MmfQbw9
TLSH
T148454B1976784BB1F06E817F89E185C2F2B27CD50B3176CB0651331A2F33AF159BA299
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution

Malware Config

Signatures

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3660	cmd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3660	1788	pe-sieve64.exe	83

C:\Users\Admin\AppData\Local\Temp\pe-sieve64.exe
"C:\Users\Admin\AppData\Local\Temp\pe-sieve64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  - Executes a command shell one-liner
  PID:3660

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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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Downloads