MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9. 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 2 File information Comments
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SHA256 hash: 9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9
SHA3-384 hash: 56e0d5e7f246d26cc4fe331e7bf282ae5ebdb51e72033891a572b101e25737d2b32cb7f5063000f4e7cd33df370c007e
SHA1 hash: a61f437abf698dd13afa15e003a12fd06ed968a0
MD5 hash: 8417caec7cf3f7d84d278f35c5d68e94
humanhash: jersey-bluebird-friend-august
File name:8417caec7cf3f7d84d278f35c5d68e94.exe
Download: download sample
Signature Formbook
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File size:623'616 bytes
First seen:2023-05-15 11:56:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:H4ysS7Ig6lUzXWbByNQpKqcoXeng8grpUTnaBiSEjJ:agwUzeBfkoX68pUbaB5m
Threatray 2'913 similar samples on MalwareBazaar
TLSH T1F7D4F169A1FA0B62C37983F555A82242037461A7BD37D63C1EDE30C9FA53F1118ACAD3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8417caec7cf3f7d84d278f35c5d68e94.exe
Verdict:
Suspicious activity
Analysis date:
2023-05-15 12:10:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fa317a8c-bf16-45c0-bdb5-43c817d76779

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/390081/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.9552.26509.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
floxif packed threat virus
Link:
https://www.filescan.io/uploads/64621dd7edcf46739b7d38b0/reports/b32bcc2b-2c60-4cfb-82f8-0399ad01e190/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08ab7e6e-3cde-4a5e-a279-ea82fc24eb3f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1233918
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 866918 Sample: iYlGU9xsg3.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 10 iYlGU9xsg3.exe 3 2->10         started        process3 file4 29 C:\Users\user\AppData\...\iYlGU9xsg3.exe.log, ASCII 10->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 iYlGU9xsg3.exe 10->14         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 31 www.danvillehousecleaning.com 198.2.243.17, 49707, 80 PEGTECHINCUS United States 17->31 33 www.arportablepottyrentals.biz 104.21.37.151, 49709, 80 CLOUDFLARENETUS United States 17->33 35 12 other IPs or domains 17->35 47 System process connects to network (likely due to code injection or exploit) 17->47 21 rundll32.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.tnndjf5kyxz.com 21->37 49 System process connects to network (likely due to code injection or exploit) 21->49 51 Modifies the context of a thread in another process (thread injection) 21->51 53 Maps a DLL or memory area into another process 21->53 55 Tries to detect virtualization through RDTSC time measurements 21->55 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-05-15 11:41:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tnzeapmnazrrlaqqsylddln4fnkxjoe4esmaj3ppq7pfnkzwzg4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
40d89b32ac24d8d4e95b6c43218f15e9a3144191786f248e963dea351f718af4
Formbook
6a6d963003f74acd86334cb97012a2bc05c2bcb0b5800f0e306b0d00287f3da8
Formbook
6e1f036dabde55dd7f9df6eafb105be9e76626a1be5a8fa773a5e7eb9975d9af
Formbook
754f6396026e4a84814fc0714fcc530928abec25aab55f4bc83e17919e4eec41
Formbook
78875bd0e64072dd764f4de0b576eb4f9bba96db457422699986e9542bde530b
Formbook
c4450299400ee66eff8208e7f2f65ccbcd34d29350820d7997e27ae50b408241
Formbook
d52551d087bebeee95a642d2b03f34dbbc03b34aa58f0121d8aec8885ddac4af
Formbook
ec241a262db494a9d7ba5a4f916376fa89cec1830846ffd396fa4869cbb52f9e
Formbook
f07ddc7c081b1106a27590e5497bec74f0d48f18b8c49d17ea57fa3d7d0704d8
Formbook
fce6b63b365250cc6a683218c392db940ced75fdda52be9841f70220dab8d2d0
Formbook
+ 2'903 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:tf6p rat spyware stealer trojan
Link:
https://tria.ge/reports/230515-n32rwsfb85/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
d92b34a7904f5d2c8c8b89d47b9e47fa3c82bf568c23130955129cd1e42d9981
MD5 hash:
37e4aa5e53ed3db3fb96b91861d890d1
SHA1 hash:
eb87e7ecff730848bd6397d7dcac6669795e69b2
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
Parent samples :
f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e
e7c2b8fd0f30db376c2c5d18f6bdac1ee47c07c8201f70fda8c52d135d8a1b93
a85d2aa65e5b5d69769ff7dd1a63e90de9bd7f96a76fa96c52137587b63d1016
030c152d386b5849508a740eecad662de4e716ad593eb95863c93bb9be046a62
908518191aecf6570fc10b1d299d64b2ac02f250fe17198a2407a9e12ddfcd30
9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
SH256 hash:
3cdc852e958e335c3aa516246b918810e230c263fd00df23374563c8916cff1f
MD5 hash:
c4ad482203fb42374d573c82de94b34e
SHA1 hash:
27a30207fb8d914e87766bb9d7c3fd76c7658dd0
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
SH256 hash:
fc31d41c59cb44aeb63dd29b42a09111cee9c29920b38a770a5635b1fc485c8d
MD5 hash:
9f78fd8038e92c3e72bd3499611a2c2b
SHA1 hash:
2337b09ed33e9565c7ad968bd33fcdf937673841
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
SH256 hash:
6722a58c81f6d11004e880bd8481acc423bf96afd46bf692f1562cfa4c5852bd
MD5 hash:
d92d2ba953be4be2d6f2bc859ec5c607
SHA1 hash:
05da51752277bd907ebcfb799524ec7655abbc3a
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
SH256 hash:
9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9
MD5 hash:
8417caec7cf3f7d84d278f35c5d68e94
SHA1 hash:
a61f437abf698dd13afa15e003a12fd06ed968a0
Link:
https://www.unpac.me/results/a86394ac-015e-40ee-9000-e110fff1dffc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9b72403d8d06/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2614335/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/390081/

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