MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489. 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 3 File information Comments
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SHA256 hash: a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489
SHA3-384 hash: 2fcf40ceff9db98ab99221622c410d7be910d2107fe188de5200b5e2bdf7a4432f67a9c41abfafb3a368e6bf843d0cf9
SHA1 hash: 1dba28ac7597946555fc4fe5f851c4af1f00e528
MD5 hash: 34d92533d143886038c024d3b0464f10
humanhash: march-don-mountain-fanta
File name:QUOTATION 966719200.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'088 bytes
First seen:2022-06-15 11:21:11 UTC
Last seen:2022-06-15 12:05:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YdqSTH6ONoupBOramnXYgFBYiMCplGVDd0wJtN2FqIMrkuJq4OM:06ONouXOrDnICwjVNk0kuJqs
Threatray 13'922 similar samples on MalwareBazaar
TLSH T12BD4E17027BC5319D07AE7BEF03064240BF975273139E7AE9B4174DA59D27828A33A63
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/280140/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.34003.5566.19949.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a9c0df73b91c38f691e630/reports/55079643-b56e-47ff-9635-d3b0ce7b45c5/overview
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/c24830c7-0b1b-48bd-b89d-61a6b7ed071c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013612
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646105 Sample: QUOTATION 966719200.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 47 www.uqvj36k3.xyz 2->47 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 13 other signatures 2->61 11 QUOTATION 966719200.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...aTqTibILJi.exe, PE32 11->39 dropped 41 C:\Users\...aTqTibILJi.exe:Zone.Identifier, ASCII 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmp2CDA.tmp, XML 11->43 dropped 45 C:\Users\user\...\QUOTATION 966719200.exe.log, ASCII 11->45 dropped 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 15 QUOTATION 966719200.exe 11->15         started        18 powershell.exe 24 11->18         started        20 powershell.exe 25 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 24 explorer.exe 15->24 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        process9 process10 32 cmd.exe 24->32         started        signatures11 49 Modifies the context of a thread in another process (thread injection) 32->49 51 Maps a DLL or memory area into another process 32->51 53 Tries to detect virtualization through RDTSC time measurements 32->53 35 cmd.exe 32->35         started        process12 process13 37 conhost.exe 35->37         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-15 01:23:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usijum3vfe3xladg5cpb2udxtzbip6etivpllfczgrp6fkdh2seq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
262fb779ec6fd7c58573c11480f2293f7680b38d3b62eb9acea9d228ed0a2f09
Formbook
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
Formbook
4960b0a063c800279ba12fbee0e6cd6c4dbd9805c635f41bb178374e17082f11
Formbook
591874c05f745cf6f02c3ab1d420f9edffbda8ca2c967b0d8cbad21a10f3fd09
Formbook
65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686
Formbook
9120ea8d13a11c171723ddc231be7217f6611b631d98a71254be079cc3e9dfe2
Formbook
9a95de1cbc2bc1bbb8b87c0ea935b9c6675ce2a712465a40cbb2f4dfb85d711f
Formbook
ec6260e2fa3a7b5c332df32c1c44b13533a481d04add67596e632dc8898464c2
Formbook
ff073d05223a456c06707ad4be71853e996524b5a5b8b118a977feb6bce9992c
Formbook
+ 13'912 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:n6ef rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220615-ngkw9aebbq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f8f84deab420564bf979f060786a68241ba6ee40a6c38e10fadd22e6a00fdbb9
MD5 hash:
61653b3c6b630caf2791c71207db79ce
SHA1 hash:
8d38d97ad7079ab494ba38993874cc52cedb6be9
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/2e6148fd-c1f7-4a17-8b78-6295a224a464/
Parent samples :
4960b0a063c800279ba12fbee0e6cd6c4dbd9805c635f41bb178374e17082f11
a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489
SH256 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
Link:
https://www.unpac.me/results/2e6148fd-c1f7-4a17-8b78-6295a224a464/
SH256 hash:
ddf435271152649a729d3eb3df2ea53800f1514e2e5d43b34bccaedc32b4be11
MD5 hash:
a3ceae2cf2165355c92f40a6d3f526fe
SHA1 hash:
cc942e381c9943f86c5e17fc0ce9f7848851d4ca
Link:
https://www.unpac.me/results/2e6148fd-c1f7-4a17-8b78-6295a224a464/
SH256 hash:
ee27e7d301cb805851af310a35c3a618aa3ff3e4e89136183f368b9135efb28d
MD5 hash:
c3d5fc88b108182dee9000295ade4d79
SHA1 hash:
249d654a6d04c9e6f5d503271dc9b31a0a7edef4
Link:
https://www.unpac.me/results/2e6148fd-c1f7-4a17-8b78-6295a224a464/
SH256 hash:
a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489
MD5 hash:
34d92533d143886038c024d3b0464f10
SHA1 hash:
1dba28ac7597946555fc4fe5f851c4af1f00e528
Link:
https://www.unpac.me/results/2e6148fd-c1f7-4a17-8b78-6295a224a464/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4909a337529/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/a4909a33752937758066e89e1d50779e4287f893455eb59459345fe2a867d489

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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.

Cape
Cape
https://www.capesandbox.com/analysis/280140/

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