MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791
SHA3-384 hash: b69761b45069a92088d9fed8b10b4c54bad0b1f65d39a22b9e436c43c9f3738e4ad690e04e9104c6fbfe54a765f74183
SHA1 hash: c796891a343a79e0d555fc57bf4e60e2ad1ccc6e
MD5 hash: 0a8c030fe6e8c14741aaac681f32c641
humanhash: november-colorado-fifteen-sierra
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:790'016 bytes
First seen:2025-09-15 06:57:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Qr+jZm3qfHtFBYF+Q9Du8EO6TYuqgOklpaIhTgtA6lKWwm7k:EADWFukIRgdlKWwm
TLSH T116F4029422ACEF03D4316BF00870E37413B57D9CBC52E3468FE96CDBB96AB805A94657
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2025-09-15 07:10:57 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/43506eee-6033-4e6f-bb84-939d315e7ea7

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/27469/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c7b924e579c633a4b5516e
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68c7b9cb0d1238ff0aabfa24/reports/ea6d2df9-5584-40cf-8624-6a89ae5e8c8c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T01:35:00Z UTC
Last seen:
2025-09-15T01:35:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba5c11ed-34d4-43b3-ba4b-4bdabaaa62d2
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.26 Win 32 Exe x86
Link:
https://app.malva.re/file/0a8c030fe6e8c14741aaac681f32c641
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791/
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 04:37:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwut2qgkzsjju5gwryihvkmfialb2v2346iheqp4tquh77pzm6iq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250915-htcthswwez/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/378cb010-db65-4267-a328-9d7422711c08
Unpacked files
SH256 hash:
45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791
MD5 hash:
0a8c030fe6e8c14741aaac681f32c641
SHA1 hash:
c796891a343a79e0d555fc57bf4e60e2ad1ccc6e
Link:
https://www.unpac.me/results/1cf6700b-e353-4646-907f-d9ab878bf69a/
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
Link:
https://www.unpac.me/results/1cf6700b-e353-4646-907f-d9ab878bf69a/
SH256 hash:
fe0525045a5ffbb07cea0f77449a2054f0a328b68ad0404da6420d136ef3e4e5
MD5 hash:
bdbb1b6e263e40413649fc9a8a5daa65
SHA1 hash:
82e905cb6ec2002a0050dbfc038213d53d99570b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1cf6700b-e353-4646-907f-d9ab878bf69a/
SH256 hash:
796895f86291ed8b552b663173cd35dfdc48d2e7d038ce6ea103848955a16e37
MD5 hash:
55cbac1bb92f70f90ce3270f041a3903
SHA1 hash:
9f00900f531fbc8296420010126524b004e531ff
Link:
https://www.unpac.me/results/1cf6700b-e353-4646-907f-d9ab878bf69a/
SH256 hash:
416154653b1116a960cec6541e8e5d06b643c17308d94644863036c6ad61adc1
MD5 hash:
f6edca19e44407c0d2721fd175f3a367
SHA1 hash:
2757ddb2b7894aae9505323dba3d2e1dfa11090f
Link:
https://www.unpac.me/results/1cf6700b-e353-4646-907f-d9ab878bf69a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/45a93d40cacc/report/overview.html
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/45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27469/

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