MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
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SHA256 hash: 59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2
SHA3-384 hash: 0408427078001c0bb4df2dd61fc46b8db8f43101bc723e1d4097b49c71a4a0d62e5a210d8dc8457cbc08cdf6c0f4d2a3
SHA1 hash: 1085e4140bf323df085db50b8f79c3b02b4aab72
MD5 hash: bf9569f5e56e6dcb1f4ae60fd2faea36
humanhash: berlin-nevada-kansas-violet
File name:Offer Document 24.lnk
Download: download sample
Signature Formbook
Create hunting rule
File size:1'090 bytes
First seen:2024-05-23 18:19:06 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 12:8MFm/3BVSXvk44X3ojsqzKtnWN5W+UcCsvXLCKeXX3UWKDiN33YlNPeVnI:8l/BHYVKVWq+/CW7C7n3CaHKPeFI
TLSH T14C11F51C0EE65725E676C739A8BAB322C9363C46EE424F9E01D096846468211F5A5F2F
Reporter abuse_ch
Tags:FormBook lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28759.LnkHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OddLook.202207213.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.HTTPDottedQuadPolicykill.20220908.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.SilverChairs4SilverBacks.20221114.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2/results/dashboard
Payload URLs
URL
File name
D:\DocGuard-Api\AppData\052ea1aa-548c-4580-bffb-bcc671358353\Offer
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive lolbin masquerade shell32
Link:
https://www.filescan.io/uploads/664f88d9fce7975594f6f3b5/reports/d1e6a6ec-3bfd-476e-8353-5eacb4ad00da/overview
Verdict:
Malicious
Labled as:
TrojanDownloader/LNK.Agent
Link:
https://www.hybrid-analysis.com/sample/59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2
Result
Verdict:
MALICIOUS
Details
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1446727
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found URL in windows shortcut file (LNK)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: Suspicious MSHTA Child Process
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446727 Sample: Offer Document 24.lnk Startdate: 23/05/2024 Architecture: WINDOWS Score: 100 49 www.joyesi.xyz 2->49 51 www.magmadokum.com 2->51 53 18 other IPs or domains 2->53 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 75 12 other signatures 2->75 12 powershell.exe 11 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 73 Performs DNS queries to domains with low reputation 49->73 process4 dnsIp5 91 Windows shortcut file (LNK) starts blacklisted processes 12->91 93 Powershell drops PE file 12->93 18 mshta.exe 16 12->18         started        23 conhost.exe 1 12->23         started        63 127.0.0.1 unknown unknown 15->63 signatures6 process7 dnsIp8 55 20.86.128.223, 49705, 49706, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->55 45 C:\Users\user\AppData\Local\...\room4[1].hta, HTML 18->45 dropped 77 Windows shortcut file (LNK) starts blacklisted processes 18->77 79 Suspicious powershell command line found 18->79 25 powershell.exe 14 17 18->25         started        file9 signatures10 process11 file12 47 C:\Users\user\AppData\Roaming\rooma.exe, PE32 25->47 dropped 28 rooma.exe 25->28         started        31 conhost.exe 25->31         started        process13 signatures14 95 Antivirus detection for dropped file 28->95 97 Multi AV Scanner detection for dropped file 28->97 99 Machine Learning detection for dropped file 28->99 101 Maps a DLL or memory area into another process 28->101 33 TmjHHkXnMrncRmISMzN.exe 28->33 injected process15 signatures16 65 Found direct / indirect Syscall (likely to bypass EDR) 33->65 36 netbtugc.exe 13 33->36         started        process17 signatures18 81 Tries to steal Mail credentials (via file / registry access) 36->81 83 Tries to harvest and steal browser information (history, passwords, etc) 36->83 85 Modifies the context of a thread in another process (thread injection) 36->85 87 2 other signatures 36->87 39 TmjHHkXnMrncRmISMzN.exe 36->39 injected 43 firefox.exe 36->43         started        process19 dnsIp20 57 www.joyesi.xyz 185.237.107.49, 49756, 49757, 49758 UA-WEECOMI-ASUA Ukraine 39->57 59 www.rssnewscast.com 91.195.240.94, 49732, 49733, 49734 SEDO-ASDE Germany 39->59 61 10 other IPs or domains 39->61 89 Found direct / indirect Syscall (likely to bypass EDR) 39->89 signatures21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2/
Threat name:
Shortcut.Trojan.Nukesped
Create hunting rule
Status:
Malicious
First seen:
2024-05-23 18:20:07 UTC
File Type:
Binary
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhyut76fkvkm4cvmobzlxkmzwwv3qoycgsdoaf7ua6ed7crh4tra._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/240523-wyrp5abf53/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Malware Config
Dropper Extraction:
http://20.86.128.223/room/room4.hta
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/59f149ffc55554ce0aac7072bba999b5abb83b023486e017f407883f8a27e4e2

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:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:Script_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_PowerShell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious

File information

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

Comments