MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09389a723d7ddf5ba5150d1062545ef0374ced5e2754f46bac0dcd48df664b9e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: 09389a723d7ddf5ba5150d1062545ef0374ced5e2754f46bac0dcd48df664b9e
SHA3-384 hash: 1f9d5a08c377766139c1c543515147b75b9d5fc123941b671c1111c88eb3b4f85405aab6609484b9cf89833ae1c9213f
SHA1 hash: f30cdef9c149ceb04aff19ab16bf77eafbb73e3e
MD5 hash: 5f52511972ea96b36e51b8564da361b4
humanhash: butter-double-ceiling-fix
File name:ESTD PDA.XLSX.exe
Download: download sample
Signature Formbook
File size:683'008 bytes
First seen:2025-11-20 01:34:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:2dsOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPigaSNB2YG5XiZ5a7e6O0Owr:2dsq5TfcdHj4fmbrNB2YG5XFGM
TLSH T1CAE4235194C8CCB6E6A1733090BBCF881529B931DE81374D5BA5FA8FB4923439993F2D
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ESTD PDA.XLSX.exe
Verdict:
No threats detected
Analysis date:
2025-11-20 01:35:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
DNS request
Connection attempt
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script masquerade microsoft_visual_cc packed packed packed upx
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T21:42:00Z UTC
Last seen:
2025-11-21T23:05:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd VHO:Trojan.Win32.Strab.zoo Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan.Win32.Strab.zoo
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817405 Sample: ESTD PDA.XLSX.exe Startdate: 20/11/2025 Architecture: WINDOWS Score: 100 31 www.moisra.site 2->31 33 www.volunteerforchange.com 2->33 35 3 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 11 ESTD PDA.XLSX.exe 4 2->11         started        signatures3 process4 signatures5 59 Binary is likely a compiled AutoIt script file 11->59 61 Writes to foreign memory regions 11->61 63 Maps a DLL or memory area into another process 11->63 14 svchost.exe 11->14         started        process6 signatures7 65 Maps a DLL or memory area into another process 14->65 67 Unusual module load detection (module proxying) 14->67 17 q6h12F8KdXsXdj.exe 14->17 injected process8 process9 19 msfeedssync.exe 13 17->19         started        signatures10 51 Tries to steal Mail credentials (via file / registry access) 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 55 Modifies the context of a thread in another process (thread injection) 19->55 57 4 other signatures 19->57 22 zmcdl9O99cL.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.10384holeave.com 40.65.124.100, 49722, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->37 39 ghs.googlehosted.com 108.177.122.121, 49723, 49724, 49725 GOOGLEUS United States 22->39 41 www.volunteerforchange.com 208.91.197.132, 49727, 49728, 49729 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 22->41 29 WerFault.exe 4 25->29         started        process13
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-20 01:35:26 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit formbook
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
09389a723d7ddf5ba5150d1062545ef0374ced5e2754f46bac0dcd48df664b9e
MD5 hash:
5f52511972ea96b36e51b8564da361b4
SHA1 hash:
f30cdef9c149ceb04aff19ab16bf77eafbb73e3e
SH256 hash:
95d49c60ac448fda616ccb8112bd63d5ddb3a107967bcae224de432fd3b9a7df
MD5 hash:
6981508f913311c2ef031a92309c3578
SHA1 hash:
3c7a7ace0b2bbbb224a1f4a439bedb5bc27df90e
Detections:
AutoIT_Compiled
SH256 hash:
0905736264c63a36c9822b7eb1cecde0a98a979c768c08ee3ea90ae068334b0c
MD5 hash:
6f1c64ab07043e1984810e73fd808ef8
SHA1 hash:
5fa67ff8f279184eb8769ed5648662cae51e460e
SH256 hash:
b111e096f7c9d4b12c4458e1e78610a503650a8d287ecb44a6264b68268277c4
MD5 hash:
02253ad013f4b480efc1be09bb9662f9
SHA1 hash:
466dc600099f6be03593c19d69eb8b44f9174dba
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:win_upx_packed
Author:Reedus0
Description:Rule for detecting UPX packed malware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 09389a723d7ddf5ba5150d1062545ef0374ced5e2754f46bac0dcd48df664b9e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments