MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4. 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: 20


Intelligence 20 IOCs YARA 20 File information Comments
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SHA256 hash: 4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4
SHA3-384 hash: 0e312f0357126654eba6c9e8b01b091f537f88e0ebf86b79be7bbd23305f6d58612014562aab74e37cedb096af8025b4
SHA1 hash: 844969a2baa8ea04d832998c2169efca41dacdb5
MD5 hash: 60de389f7de9d3dc7489f9413a3fb69c
humanhash: eleven-two-west-bacon
File name:Offer Nr. 35830.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:854'016 bytes
First seen:2025-09-26 11:20:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:4SoGKvxPh1lnV/F5fXw6o1+itRYd/U6E5aXuKFT2zBsb34bcWqJk0FSR+CcFAYEr:BoGcxpDV/pykbEQXHSz0J42A
TLSH T17105DFAC3254B49FC463CE728D60EE74A6607C6A9717C20391E71CAFB91D687DE142E3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Offer Nr. 35830.exe
Verdict:
Malicious activity
Analysis date:
2025-09-26 11:23:20 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/0107a689-409b-4127-9650-968e8d5a44a4

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/29154/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d6771dd42217a4290be380
Tags:
stration spawn shell
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
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68d6771174e5a28989949df4/reports/4da67de5-723c-47f3-9b92-f3cdf7eaaf61/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-25T22:09:00Z UTC
Last seen:
2025-09-25T22:09:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0d6e338-3e7b-4fde-8c94-55570e5f3644
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1784698
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1784698 Sample: Offer Nr. 35830.exe Startdate: 26/09/2025 Architecture: WINDOWS Score: 100 38 www.runefi.xyz 2->38 40 www.8m1.xyz 2->40 42 19 other IPs or domains 2->42 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 58 8 other signatures 2->58 11 Offer Nr. 35830.exe 4 2->11         started        signatures3 56 Performs DNS queries to domains with low reputation 40->56 process4 file5 36 C:\Users\user\...\Offer Nr. 35830.exe.log, ASCII 11->36 dropped 68 Adds a directory exclusion to Windows Defender 11->68 70 Injects a PE file into a foreign processes 11->70 15 Offer Nr. 35830.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 72 Maps a DLL or memory area into another process 15->72 20 rwuFThSjcrNIFt.exe 15->20 injected 74 Loading BitLocker PowerShell Module 18->74 22 conhost.exe 18->22         started        process9 process10 24 replace.exe 13 20->24         started        signatures11 60 Tries to steal Mail credentials (via file / registry access) 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 64 Modifies the context of a thread in another process (thread injection) 24->64 66 3 other signatures 24->66 27 0kNgMtPT8.exe 24->27 injected 30 chrome.exe 24->30         started        32 firefox.exe 24->32         started        process12 dnsIp13 44 www.jorvia.site 203.161.58.88, 49715, 49716, 49717 VNPT-AS-VNVNPTCorpVN Malaysia 27->44 46 8m1.xyz 173.0.157.187, 49727, 49728, 49729 SERVERS-COMUS United States 27->46 48 10 other IPs or domains 27->48 34 WerFault.exe 4 30->34         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.80 Win 32 Exe x86
Link:
https://app.malva.re/file/60de389f7de9d3dc7489f9413a3fb69c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-26 02:21:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6o7aeslgyuvsasdaxpk2bfumn77g6oszqnzjfrp3xe2zubzxlka._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
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/250926-nfwmcsxsew/
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/f55857a4-7942-43e4-9a15-1ecea8d558f6
Unpacked files
SH256 hash:
4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4
MD5 hash:
60de389f7de9d3dc7489f9413a3fb69c
SHA1 hash:
844969a2baa8ea04d832998c2169efca41dacdb5
Link:
https://www.unpac.me/results/fea80341-2318-4060-8ce9-5826ca965f38/
SH256 hash:
ba62e7e89557bb426f1813b06a062db822e8d0141e93936d132b58fd4382af44
MD5 hash:
9c25fef6456290916a73792f1e2f8e54
SHA1 hash:
3bc346d1f860801cf5aaed37014a2efca9170791
Link:
https://www.unpac.me/results/fea80341-2318-4060-8ce9-5826ca965f38/
SH256 hash:
79f6cbd6e47762c24aa8395edf6edfd0024021167d6c35d73ed191e9a9f95a84
MD5 hash:
8b2d0dd9c7f5662b943075fd3bad24c5
SHA1 hash:
3e1ddddef666348f315fabb8c798a724f3dd82a3
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/fea80341-2318-4060-8ce9-5826ca965f38/
SH256 hash:
0fd8fbd3f9fea94bbfaa61d0b25e4d7e1f624338912296a8cd05fad3de6f7b64
MD5 hash:
c74b415bb180764d6b8031cec0cebe45
SHA1 hash:
ce2b7b025b572f8d797aee799d74f9bdee553fd7
Link:
https://www.unpac.me/results/fea80341-2318-4060-8ce9-5826ca965f38/
SH256 hash:
f0cb55f264ecd2e074276bac9bb05156d4c1e9d0c7c32731ca0eab8e56cf8a93
MD5 hash:
652dc3ea284ef5640b37e3d3d844e440
SHA1 hash:
3b6aa4a5591245f8260304d65f5f7c2c6d175314
Link:
https://www.unpac.me/results/fea80341-2318-4060-8ce9-5826ca965f38/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f9df0124b36/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/4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4f9df0124b362959024305dead04b4637ff379d2cc1b94962fddc9acd039bad4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29154/

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