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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5
SHA3-384 hash: 58d3ae85b172a6a018c454ff32b64ccec7079f29d15c9f859b34de6c429ec5569393c67203fa5ae8e92ee17917b21525
SHA1 hash: 53f9ecc2b86c94efe896bb5c8778520eaeb84c52
MD5 hash: a0c9bffa082ee6fde1d0573d770c6348
humanhash: harry-bakerloo-zulu-michigan
File name:Purchase Order PO-000806758.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:842'240 bytes
First seen:2026-09-29 06:12:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'246 x AgentTesla, 20'509 x Formbook, 12'377 x SnakeKeylogger)
ssdeep 12288:+Fhmzf7edBbJDL3HfKFDmziCEQmK1yGCLxyic/CflXUSaunzWPNY74Oaz:Xzz4L3HwmOxCNnb6X5aunzmNJOA
TLSH T14705F180274BD903D1651775A8F1E27407B6AFEAE421D20B9FEA5DEB3A23F4549C0B13
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
167
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d631b1f0-79da-42f2-9665-7e498b112a05/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-09-29 06:41:16 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/e95cf6cd-cb32-4dd7-896e-611f9588869d

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/89594/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6abb56ff196d783ec1a3af01/reports/3833dc98-f302-43f8-9cc9-2f96bcb28ece/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-28T15:22:00Z UTC
Last seen:
2026-09-29T03:04:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a5fd2d51-99c2-456f-8a8a-f8a20b9c3458
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1979254
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979254 Sample: Purchase Order PO-000806758... Startdate: 29/09/2026 Architecture: WINDOWS Score: 100 28 www.bandatransportoare.xyz 2->28 30 www.iamafrenchie.com 2->30 32 9 other IPs or domains 2->32 54 Suricata IDS alerts for network traffic 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for submitted file 2->58 62 7 other signatures 2->62 8 V67RvOg0lZWL09.exe 2->8 injected 10 Purchase Order PO-000806758.bat.exe 3 2->10         started        14 iPEEFP8H.exe 2->14 injected signatures3 60 Performs DNS queries to domains with low reputation 28->60 process4 dnsIp5 17 RMActivate.exe 13 8->17         started        26 Purchase Order PO-000806758.bat.exe.log, ASCII 10->26 dropped 64 Injects a PE file into a foreign processes 10->64 20 Purchase Order PO-000806758.bat.exe 10->20         started        22 Purchase Order PO-000806758.bat.exe 10->22         started        34 www.bandatransportoare.xyz 185.46.40.240, 49721, 49722, 49723 ATAK-ASTR Turkey 14->34 36 www.iamafrenchie.com 52.20.84.62, 49716, 49717, 49719 AMAZON-AES-AmazoncomIncUS United States 14->36 38 6 other IPs or domains 14->38 file6 signatures7 process8 signatures9 40 Tries to steal Mail credentials (via file / registry access) 17->40 42 Tries to harvest and steal browser information (history, passwords, etc) 17->42 44 Modifies the context of a thread in another process (thread injection) 17->44 52 2 other signatures 17->52 24 firefox.exe 17->24         started        46 Maps a DLL or memory area into another process 20->46 48 Queues an APC in another process (thread injection) 20->48 50 Found direct / indirect Syscall (likely to bypass EDR) 20->50 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.58 Win 32 Exe x86
Link:
https://app.malva.re/file/a0c9bffa082ee6fde1d0573d770c6348
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Suspicious
First seen:
2026-09-28 18:12:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 36 (47.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rsdekfzxl2t4k4gowwmrmnlw6o5wfd43joaiu2df63tbred4dcq._file
Verdict:
malicious
Label(s):
XWorm
Create hunting rule
Link:
https://reports.threatray.com/ba76fd9a-6753-466f-afb7-5552c921972b
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260929-gyvz8afc68/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5
MD5 hash:
a0c9bffa082ee6fde1d0573d770c6348
SHA1 hash:
53f9ecc2b86c94efe896bb5c8778520eaeb84c52
Link:
https://www.unpac.me/results/a5f04682-ae47-414b-99bc-f9af517aaa31/
SH256 hash:
83cabc4d2cc19c2eaf6f7744e3cc58c3637d75b7f646bd4a72b1f86fbf9cde8e
MD5 hash:
86525df44a0f33065dfafe5cc147b20a
SHA1 hash:
1e1837083308d94f21d767aa205471fc830e8715
Link:
https://www.unpac.me/results/a5f04682-ae47-414b-99bc-f9af517aaa31/
SH256 hash:
24cf9e6d0debf086cce4ed55b29fd238dbd362df1d23ef0a7914c0d59cf5faff
MD5 hash:
2cdadb1df7d27cf90e5b3c33fa9be5b4
SHA1 hash:
fabd05b887cab2218d3e0cc857f5841a04dd2d1a
Link:
https://www.unpac.me/results/a5f04682-ae47-414b-99bc-f9af517aaa31/
SH256 hash:
a1402615dffd01a135dfcede62b6a748912494d69f16c3ff492eef818c002a9c
MD5 hash:
35a241af44120fd5695329e018779b30
SHA1 hash:
9474c75e0d0c8b1bbf033ebb4cbcc7b9bbc32938
Link:
https://www.unpac.me/results/a5f04682-ae47-414b-99bc-f9af517aaa31/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ec643228b9baf53e2b8675acc8b1abb79ddb147cda5c0453432fb730c483e0c5

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/89594/

Comments