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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf
SHA3-384 hash: ccd62094459de4b5565d53fbf56bf19e685f1ee4aa23d4f18552c7fdff884d77f0cd7f670430bea0558911de16e6578a
SHA1 hash: fc830f43a03372668b4643d30df1273298b0d45f
MD5 hash: d85b23c9ae906be9ecc5e2fe03d19a49
humanhash: robin-utah-skylark-spaghetti
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'047'040 bytes
First seen:2026-08-26 16:26:23 UTC
Last seen:2026-09-10 11:14:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:hMPdqrqjjLh/vLJcDVynKFQaveI22dOyuMsGdxj9rem2S:Lejvxy8yDIY7uo9L
TLSH T1CB252256B3A8AB16F1BA83FD77D4350053F5BD1A3221D78D9DC523D62AA2F504A30D23
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-26 16:34:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d507cb3-e538-442c-ad87-3e143fb0c4f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82907/
Detection(s):
SecuriteInfo.com.Trojan.Inject7.2035.56259246.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6a8f13e2d9c2b431268df900/reports/e8ebb9da-d89c-40ee-934a-bbdc372ac3cf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-26T04:04:00Z UTC
Last seen:
2026-08-28T06:17:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c2a847ed-21df-4bb9-b284-3b03171e0978
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1964251
Signature
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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 ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964251 Sample: Purchase Order.exe Startdate: 26/08/2026 Architecture: WINDOWS Score: 100 46 www.yousayi.com 2->46 48 www.wiscona.com 2->48 50 21 other IPs or domains 2->50 58 Suricata IDS alerts for network traffic 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected FormBook 2->62 64 4 other signatures 2->64 12 Purchase Order.exe 3 2->12         started        signatures3 process4 file5 38 C:\Users\user\...\Purchase Order.exe.log, CSV 12->38 dropped 82 Modifies the context of a thread in another process (thread injection) 12->82 84 Injects a PE file into a foreign processes 12->84 16 Purchase Order.exe 12->16         started        19 RuntimeBroker.exe 12->19         started        signatures6 process7 signatures8 52 Maps a DLL or memory area into another process 16->52 54 Creates a thread in another existing process (thread injection) 16->54 56 Found direct / indirect Syscall (likely to bypass EDR) 16->56 21 ckVF9LvjzcKySAkTBaUNBRK.exe 16->21 injected process9 signatures10 66 Maps a DLL or memory area into another process 21->66 68 Found direct / indirect Syscall (likely to bypass EDR) 21->68 24 ipconfig.exe 21->24         started        process11 signatures12 70 Modifies the context of a thread in another process (thread injection) 24->70 72 Maps a DLL or memory area into another process 24->72 74 Queues an APC in another process (thread injection) 24->74 76 2 other signatures 24->76 27 s1aOSoC3lP.exe 24->27 injected process13 signatures14 78 Maps a DLL or memory area into another process 27->78 80 Found direct / indirect Syscall (likely to bypass EDR) 27->80 30 prevhost.exe 13 27->30         started        process15 signatures16 86 Tries to steal Mail credentials (via file / registry access) 30->86 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 90 Modifies the context of a thread in another process (thread injection) 30->90 92 3 other signatures 30->92 33 c3iVz6jh.exe 30->33 injected 36 firefox.exe 30->36         started        process17 dnsIp18 40 operailsolutions.ee 185.31.240.240, 49759, 49760, 49761 ZONEZoneMediaOUEE Estonia 33->40 42 2.59.170.19, 49763, 49764, 49765 WORLDSTREAMNL Netherlands 33->42 44 13 other IPs or domains 33->44
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.40 Win 64 Exe x64
Link:
https://app.malva.re/file/d85b23c9ae906be9ecc5e2fe03d19a49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 16:27:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lwot2dua54xqqrk3ytcfdwq2m2ctypfjn2aihcytsreumc6whk7q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/f440580c-3792-4241-9980-33b97d6cc3ec
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260826-tx63bazvgz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf
MD5 hash:
d85b23c9ae906be9ecc5e2fe03d19a49
SHA1 hash:
fc830f43a03372668b4643d30df1273298b0d45f
Link:
https://www.unpac.me/results/6c7a5050-d7b3-460e-a2bf-525ed47a7ff2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d9d3d0e80ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

Formbook

Executable exe 5d9d3d0e80ef2f08455bc4c451da1a66853c3ca96e80838b139449460bd63abf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/82907/

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