MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8df4859a1749748668a23e275774df251a33f9f06382c95b993eac828d56bf17. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 8df4859a1749748668a23e275774df251a33f9f06382c95b993eac828d56bf17
SHA3-384 hash: fea67fd3875269cc3fff1e1faefcf8406290e8a68b0df7d914e1904fffa360b0153787bae016c83fd091db0801088761
SHA1 hash: 1d53de0bca90e55edce0ba51556a67a729c17bac
MD5 hash: 627d6667e452a77622ab803b98092094
humanhash: skylark-artist-georgia-wyoming
File name:RFQ - CP22037 Quotation for Materials #BSST-CP22670A-1.pdf.exe
Download: download sample
Signature Formbook
File size:759'808 bytes
First seen:2022-04-05 06:33:37 UTC
Last seen:2022-04-05 08:07:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:eMS3113C3BdO6OOECH4a6yJkcMq2o2KAsimnobeta32T54I4mHYrA6xIQBQsvEm+:gDSXOA9H4a6ukxq2oVAs7ob/3m4PBcm+
Threatray 14'979 similar samples on MalwareBazaar
TLSH T1C3F412053424AF6AE4BD8FFD0092D5010FF9A3197A08C9596FCB38D97AE738167C25A7
Reporter cocaman
Tags:exe FormBook RFQ

Intelligence


File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603093 Sample: RFQ - CP22037  Quotation fo... Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 31 www.pastsmarthomeinstallations.com 2->31 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 10 other signatures 2->45 11 RFQ - CP22037  Quotation for Materials #BSST-CP22670A-1.pdf.exe 3 2->11         started        signatures3 process4 file5 29 RFQ - CP22037  Quo...2670A-1.pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 RFQ - CP22037  Quotation for Materials #BSST-CP22670A-1.pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 milyonada.com 46.101.136.33, 49778, 80 DIGITALOCEAN-ASNUS Netherlands 18->33 35 9tv-cname.com 23.225.30.43, 49776, 80 CNSERVERSUS United States 18->35 37 5 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 cmd.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-05 05:46:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:cnt4 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
692496d14ce50253e76776ffe156816d2d1695c3dde675e67394e5e9ee967ba7
MD5 hash:
cb1615ee9e3a2eeda5a3aa47c79d3b91
SHA1 hash:
5966fb4d2489896b12c4fb8b60e364022dd974be
SH256 hash:
ffd2849cc15ae01231cbee4759022185e0a569c4da55a79976d305b83247c5dd
MD5 hash:
31e945f71e1c7a184adf75426f6028cc
SHA1 hash:
53305969d33ec55fe2648fed5ba5e54cc972eee8
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
8df4859a1749748668a23e275774df251a33f9f06382c95b993eac828d56bf17
MD5 hash:
627d6667e452a77622ab803b98092094
SHA1 hash:
1d53de0bca90e55edce0ba51556a67a729c17bac
Malware family:
XLoader
Verdict:
Malicious
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
Rule name:Skystars_Malware_Imphash
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 8df4859a1749748668a23e275774df251a33f9f06382c95b993eac828d56bf17

(this sample)

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