MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80. 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
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SHA256 hash: 77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80
SHA3-384 hash: 90d36ee91e5daa6edacd3ac120da533c59b067a885fe2e9101f8940871ae165dbedf51b3fd8827ed0691202ebe056a1d
SHA1 hash: dc5b7f0a3a72215e0fb574ffae9dc1ca80d8394f
MD5 hash: 102a540303ec7665687ee20c6a6f3829
humanhash: kansas-mobile-quiet-hawaii
File name:T?cili Sifari?.exe
Download: download sample
Signature Formbook
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File size:1'062'912 bytes
First seen:2022-03-21 20:32:49 UTC
Last seen:2022-03-21 22:55:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:4Vr94W+fAEY/PyVvoieXaM0GGbr2lmmY0tVe68euC/:4VR4DfAlGoibM0G8tmls680
Threatray 10'465 similar samples on MalwareBazaar
TLSH T1ED35235673A29A75D68D6B32D6E6914417308FC2FA53CB5C79C1322D03037978F23AAE
Reporter 604Kuzushi
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/253832/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1258.14057.4219.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6238e1080cd58dbd92d131bf/reports/fbe0abb4-f8fc-4b7e-abe6-bf1107b13512/overview
Result
Verdict:
MALICIOUS
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/8ace2e1b-8883-4366-9be1-03e62627c406
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/961203
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593680 Sample: T_cili Sifari_.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 17 other signatures 2->51 10 T_cili Sifari_.exe 7 2->10         started        process3 file4 37 C:\Users\user\AppData\Roaming\HeZYwDa.exe, PE32 10->37 dropped 39 C:\Users\user\...\HeZYwDa.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmpACC2.tmp, XML 10->41 dropped 43 C:\Users\user\...\T_cili Sifari_.exe.log, ASCII 10->43 dropped 55 Writes to foreign memory regions 10->55 57 Allocates memory in foreign processes 10->57 59 Adds a directory exclusion to Windows Defender 10->59 61 Injects a PE file into a foreign processes 10->61 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 2 other signatures 14->75 21 explorer.exe 14->21 injected 24 conhost.exe 17->24         started        26 conhost.exe 19->26         started        process8 signatures9 53 Uses ipconfig to lookup or modify the Windows network settings 21->53 28 ipconfig.exe 21->28         started        31 autoconv.exe 21->31         started        process10 signatures11 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 33 cmd.exe 1 28->33         started        process12 process13 35 conhost.exe 33->35         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-21 11:03:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7pc7je6etet4ilqraufz7gic3hxvzajfcey3q7irqgwuz5ddsaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0488a1801640896ea2e4922dcd03d47bea603db8b938aa2060bd529060ec37fd
Formbook
3621aded8ecef2d269382fa26ea42d634a89f6d31de2529207da8024dec74226
Formbook
3f0b6a2e50e39420c7b91acb35c08bb088c1ccaaa889491559a572dc481bf489
Formbook
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
Formbook
c68894e6a7551cdf34c082a0ba372f9544d07aee0f2d09dfb7fed3e664e91aaf
Formbook
c6a3fd36f07d97fb287fbac946ae8b8d12d1fcde36fa87395de79d59f0c3fb77
Formbook
c86f3a2110ed2a8498cf30d4ab88cf9ea18edc612835fe2b369e7596dafb802e
Formbook
ca77df966e202e0eab6d3c2280f95fb59aee28b5e9e540be3dca1d66c46bf2af
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
+ 10'455 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220321-zbvp2saaeq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0141be49-32da-4b05-a47c-bc58ca85f871/
Parent samples :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 hash:
9d60b45bb66b8ffc451dfde2f8412821145a60c15ff98aac4c0e465d9a372e2b
MD5 hash:
973819ae575bdbf7d9dbf516ba16906a
SHA1 hash:
d58412edf22fc0758b7f8445456cd8500ec231cc
Link:
https://www.unpac.me/results/0141be49-32da-4b05-a47c-bc58ca85f871/
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
Link:
https://www.unpac.me/results/0141be49-32da-4b05-a47c-bc58ca85f871/
SH256 hash:
4c7cfac245ce4625bc19344923b4aed098b68bfb4bdd7de3d8bef5928cd1c824
MD5 hash:
6f8804b69bf2db634d21d3926ebd424d
SHA1 hash:
5dc34f23a22f96f96aa129369aa5b10847ec8d2b
Link:
https://www.unpac.me/results/0141be49-32da-4b05-a47c-bc58ca85f871/
SH256 hash:
77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80
MD5 hash:
102a540303ec7665687ee20c6a6f3829
SHA1 hash:
dc5b7f0a3a72215e0fb574ffae9dc1ca80d8394f
Link:
https://www.unpac.me/results/0141be49-32da-4b05-a47c-bc58ca85f871/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/77de2fa49e24/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/77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80

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
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 77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253832/

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