b9ddd7f8aaeb1247eaa881caf75f8749d4b7c4442408c37d9bb57ad9927ee19a

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 07:55

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General

Target
Notice%20from%20Tax%20Departmen.dmg.dll
Size 257KB
Sample260729-jsjfcaydmg
SHA256 b9ddd7f8aaeb1247eaa881caf75f8749d4b7c4442408c37d9bb57ad9927ee19a
MD5 4d69a7b084a2c4486a703e4c079079aa
SHA1 0ea4745516c343e3e2f85b1c6d354046c7c25a79
SHA512 3ade1ed260dc8f3225d90b42b4252f3624f129487d71e2a7c8d6b9c820141ccf7a15221a3d5e8ba480310a796b47d10f83a0d75ef59c682538a0ade9ebfa853a
SSDEEP 3072:UY7JNH56UcFkfenaB0DBmAV6t81zetG3Inv7Tl48LWr9Ms8Yfk2ErRjV:59VzfenaB0Dkk6OhnfV8YGVh
TLSH
T10A446B5577A40CB9E9B7823CC9938606E7F2BC160760E7DF03A0466A9F2B7D0953E721
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Badlisted process makes network request 17 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	4120	rundll32.exe
8	4120	rundll32.exe
10	4120	rundll32.exe
11	4120	rundll32.exe
12	4120	rundll32.exe
13	4120	rundll32.exe
14	4120	rundll32.exe
15	4120	rundll32.exe
16	4120	rundll32.exe
18	4120	rundll32.exe
19	4120	rundll32.exe
20	4120	rundll32.exe
21	4120	rundll32.exe
22	4120	rundll32.exe
23	4120	rundll32.exe
24	4120	rundll32.exe
25	4120	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2568	Mstet.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1472	schtasks.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1472	4120	rundll32.exe	88

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Notice%20from%20Tax%20Departmen.dmg.dll,#1
1⤵
- Badlisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "CacheTask" /tr ""C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\Mstet.exe"" /sc onlogon /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1472

C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\Mstet.exe
C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\Mstet.exe
1⤵
- Executes dropped EXE
PID:2568

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Mstet.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\Mstet.exe
Size 88KB
SHA256 4b84dc6750937eb47b19cde0d23debd4d2f2211300171b36d13ef5ad11dd60f9
MD5 025b13bf5652712d9b596e6766a9c386
SHA1 def4011b5536983285472ba75c22c6a2410edf6a
SHA512 f9983b897ef7ecbeb6cbfe599b24f5aa8651058d2e3313534a2a5e076f93fc3354784c05260b42fa828e48a55b5c005bfaa9db4e387351bf2e665ea0245c3a1e
SSDEEP 1536:7i3jG+UJuhM2HLJPl1M8CFYNMjYrZ3bXWgmqR9jR:KkuB5GFYNME3C9KR
TLSH
T11993185E72A830E5E9369139C4A24605E3B1B03563135BFF06E0C2BD5F23AE5AD39F91
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4120-1-0x000001EEDEE10000-0x000001EEDEE11000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads