MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
SHA3-384 hash: 133f3fa16ab44dd441f85f41cc6dbbcfa6fd46d0ff4c9e2470fd86c255d3a7d7d5d156f8b96f3e7f8a6ad9bcaade8611
SHA1 hash: 7ee948ea458aff3cb6822a92020e1af0aa217ae8
MD5 hash: 2c25ab75ea6c7f3cdbb1f7c8844b4c91
humanhash: bacon-victor-island-nitrogen
File name:2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:670'720 bytes
First seen:2023-04-28 11:09:38 UTC
Last seen:2023-05-13 22:41:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:G2nqwaPv8rXaB1EqXg0BvATTY8f7dZBsmT768vr7QR++CFsRj6egQVt:G2Tiv8rX5qXgx7djb/4InFsR
Threatray 2'779 similar samples on MalwareBazaar
TLSH T166E4BE574065CD0FFE6AEBB0C1B4FF55A6F1F07324D194242BB921C9CAA9F012E4D92A
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
242
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Verdict:
Suspicious activity
Analysis date:
2023-04-28 11:24:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c8cb4160-7f20-490a-9630-ceb730aac870

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/385442/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/644ba9901facab193c669ac9/reports/4feb8ee1-3bca-4e01-a7db-ade618909007/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a96846b4-5562-4309-9176-a4b61fd51845
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1222752
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
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 dnsIp2 2 Behavior Graph ID: 855705 Sample: b0Pli4naYA.exe Startdate: 28/04/2023 Architecture: WINDOWS Score: 100 33 www.bookra-ck.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 11 b0Pli4naYA.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\b0Pli4naYA.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 b0Pli4naYA.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 2 1 15->18 injected process9 dnsIp10 35 www.herdadedosmontesbastos.com 77.235.47.250, 49697, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 18->35 37 www.liftdetox2023.online 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cscript.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-04-28 11:10:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=go24z4ntwshcfk3aomqoboyuhlikykuxocyohboagzjwnxshftvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
formbook
Create hunting rule
Similar samples:
044c6038df71898680d1927a2a3251d58925ab0b91a5cc17ffc6599fe155f9c4
Formbook
067bea125f176d75cabed99b0bc6bd3a3957baf3a361d6d3848911446e48d1b1
Formbook
44665e986b18ac11dfc0d8226d232b436310ae04126362e26d9b59cb85b2827d
Formbook
44a297e5ccf344c0422f4f80b2c490f2650bf44c142f131378b2eb6a6507bc9b
Formbook
4f3beb04e0d4713530c2f9c369c300186ab01d902f060a904e5648490e8ba708
Formbook
6afbb9ebc94ae5fbc1a98207af3ce84dec75c243605ebbd6b15b721165e4130a
Formbook
757371fd80dda17d1844c472bead62365e29e5f902e32afad9bc0120346220d5
Formbook
a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85
Formbook
a85d2aa65e5b5d69769ff7dd1a63e90de9bd7f96a76fa96c52137587b63d1016
Formbook
cbdac32d6f43a1f03a26cc2fcc6ea13586f0d7f85764c1626cc71ce30bc0434b
Formbook
+ 2'769 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gtt8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230428-m9qsjade87/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
e811c7f5003f7ad8afff2dc585e2f70789486c016fb562ed7042398ed768de29
MD5 hash:
2f8e388ddef1cb2290916f78999be660
SHA1 hash:
3a6a5b1f7dac5e2640524ed1a1b98f8668cd2ef1
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
Parent samples :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 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
SH256 hash:
af0925e4c632166ff87032bc43ea4f85a3805db3782a49724d125f44c0731114
MD5 hash:
b9897ba5e468e516e162fd3790a9ddbc
SHA1 hash:
db264c796e4a36a45af11e8a7bf71cf0dadce0f0
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
SH256 hash:
8eb66d49f83071f82a2bef38b24276cd4b2b549dd3ee3b3b5a307d083503dd63
MD5 hash:
c8f9931d89be41982bba0ca39d8f98f8
SHA1 hash:
b959ba830dfc7411a8378f9c86f084ecf8f48bae
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
SH256 hash:
05b9cba043f5aac614e0aee1ab6cfe8977e6d82dc454f7a465ff9870d9e09edb
MD5 hash:
1b8ff931caedf57467b6c7f4c82a7e64
SHA1 hash:
7587ebb051cf5be7646730a12e07a7afb50ff622
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
SH256 hash:
33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
MD5 hash:
2c25ab75ea6c7f3cdbb1f7c8844b4c91
SHA1 hash:
7ee948ea458aff3cb6822a92020e1af0aa217ae8
Link:
https://www.unpac.me/results/3af295a4-b0c2-4047-8163-f30b2aab86a0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33b5ccf1b3b4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb

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
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.

Web download

Formbook

Executable exe 33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/385442/
  
URLhaus
https://urlhaus.abuse.ch/url/2605461/
  
Delivery method
Distributed via web download

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