MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
SHA3-384 hash: a624230e20859e91c77e3f6d8c564e007d2d3638dc9439b945d3d77e1e0641fd85c780e44ecfee5dddc5dce3ae5f89d7
SHA1 hash: 274a043afca47307c424fa6d5d10090e6159aa94
MD5 hash: 610cffbc4c9eeda89df98b6c95335308
humanhash: jig-don-emma-oregon
File name:423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
Download: download sample
Signature Formbook
Create hunting rule
File size:650'752 bytes
First seen:2025-11-06 10:41:08 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:IHTpg9O0NkrcOiy9D5dEz3b8SWBmwjCF5l7W3l0OTMfw9:Izy9FE/Zvm/8KwjCF5lvf
Threatray 2'131 similar samples on MalwareBazaar
TLSH T108D412582606EB07C9A19BB41AB1F23407BA1EDDE912C3126FD93EFB7879F141C40697
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 :
58
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
Verdict:
No threats detected
Analysis date:
2025-11-06 14:18:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aadc2253-330a-43bb-bc12-4a5f79c68e31

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/35838/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c7b635a5ed7864e237382
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-15T03:32:00Z UTC
Last seen:
2025-10-23T13:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba8e544f-bd5b-4674-bd59-7ef79d1aafd8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86
Link:
https://app.malva.re/file/610cffbc4c9eeda89df98b6c95335308
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d/
Threat name:
ByteCode-MSIL.Trojan.PhantomStealer
Create hunting rule
Status:
Malicious
First seen:
2025-10-15 12:12:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ii7xfbz7qznqb2wzh52gp2ezlihmg4zuymygiiz4oge7rzlagmwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
099aab7e93cc90414b63769dba429546e4f98953f1c8304f6b8109e6fa0a824e
Formbook
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
Formbook
6500b4198a595f173e1009ec7f6fca35b2e62e175911726a1bf6fbb44b5897c2
Formbook
ac9d39580d471e319f1d7d221e549a09185686902ce9e16e36a54d88e91be120
Formbook
b599240a13547435a237fa14405a60999c3b3475c5e8f9a7507843a232787ef4
Formbook
c38c0cf6caae09abb251a613fd891d105e2c37424817f5b005154f34920edc3c
Formbook
error
Formbook
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
Formbook
+ 2'121 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:punm discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251106-mq923afv8b/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook family
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3b74a952-280d-43cd-8f8b-83a351ae559e
Unpacked files
SH256 hash:
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
MD5 hash:
610cffbc4c9eeda89df98b6c95335308
SHA1 hash:
274a043afca47307c424fa6d5d10090e6159aa94
Link:
https://www.unpac.me/results/2b3c3afe-ee70-4fdc-842b-3b6667fdec6b/
SH256 hash:
6d44254fb16f504e24fbadebe38ac17a22e82754996aff851abb8420b4dbcda3
MD5 hash:
549b39c53bfc63a6b388ac65d8b04148
SHA1 hash:
1d56ccf07e7738bc04018893a851df6344e981d9
Link:
https://www.unpac.me/results/2b3c3afe-ee70-4fdc-842b-3b6667fdec6b/
SH256 hash:
39d8849b476f2b06ffcc26e282867569c00940ff6928e9b09efd4ff3b410bf07
MD5 hash:
29029c97a9e67eb37a1e26a8fa63cce7
SHA1 hash:
58c820faba6c94e1ed6b664dbdb7e1e9c8f57be8
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/2b3c3afe-ee70-4fdc-842b-3b6667fdec6b/
SH256 hash:
05787cf7c5d86465ae08da7d62855f0bf4d5463a1d3e32218244ffef221bfec6
MD5 hash:
44440f534ec9b819dd0acf15ab253bed
SHA1 hash:
f06e76647b320cb2a9b04ce36002996775536c5b
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/2b3c3afe-ee70-4fdc-842b-3b6667fdec6b/
Parent samples :
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
0738cee9bc712803e28299bc41223192abb932064478c278f10350e65f755d30
b599240a13547435a237fa14405a60999c3b3475c5e8f9a7507843a232787ef4
c38c0cf6caae09abb251a613fd891d105e2c37424817f5b005154f34920edc3c
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
09119a05e2e2a4857d5eae0c7d8fc474869e6e6483c876a78ddbfe91661a0cc5
d87de6be63c49499dfe482bfdafbdca13760efb66c2d8af6950919f01f52608c
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/423f72873f86/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d

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: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

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/35838/

Comments