MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4643293ec666399345858d82f7e232845dfbee7242ff9a4d17792a21990921. 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 4 File information Comments

SHA256 hash: 6b4643293ec666399345858d82f7e232845dfbee7242ff9a4d17792a21990921
SHA3-384 hash: d801ad8b94df408e4d782b64aa5848ad9ae051859217c0a75a9d4193234836851c465d515b9b815e9283a3e6ba85800a
SHA1 hash: 9b66e86d904df290ac63c06b68abf11fb84f2a3c
MD5 hash: c8f7408f20500b97de5f55016c3abe66
humanhash: timing-lithium-network-network
File name:price request pdf.exe
Download: download sample
Signature Formbook
File size:419'840 bytes
First seen:2021-11-16 09:34:28 UTC
Last seen:2021-11-16 09:34:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:nqOBnJDFjJ0PutYD8Y5wyiXu9l4PN4jm+Yr1teGzgsmX29E0yKCXY:q2RFjGx5kX+l4PNkYZOXuuXY
Threatray 11'716 similar samples on MalwareBazaar
TLSH T1C494DF3036E69609CA7B4F724C7A51C04BB67A267F00C71F2CD9265C9D637638B11BAB
File icon (PE):PE icon
dhash icon ccb29292dac8b4c8 (21 x AgentTesla, 6 x Formbook, 2 x NanoCore)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 522732 Sample: price request pdf.exe Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 33 www.luthierylab.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 price request pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\price request pdf.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 price request pdf.exe 11->15         started        18 price request pdf.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.dataapath.com 20->35 37 www.makingmobsters.com 198.54.117.244, 49809, 80 NAMECHEAP-NETUS United States 20->37 39 9 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 control.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-16 01:05:27 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:hjq6 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.suapeleemprimeirolugar.com/hjq6/
Unpacked files
SH256 hash:
52b9ea830158fbc6dda804eb59143379854cbd556aa2cc13f166a0eab322e692
MD5 hash:
19f4fc7f6bdcf78fe40f1e3391d5ee86
SHA1 hash:
604e7bfafd973670962a80364d5b06f2ee107809
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
2f4c04c866af8f4986b33d043a28276f409803c2ece8d9d0c965447c3ace0d6e
MD5 hash:
828c5c1c476ce2c0fcbcc130c9b0580a
SHA1 hash:
8b51cb23b9d1d392556e0f1bfb0d980500178175
SH256 hash:
6b4643293ec666399345858d82f7e232845dfbee7242ff9a4d17792a21990921
MD5 hash:
c8f7408f20500b97de5f55016c3abe66
SHA1 hash:
9b66e86d904df290ac63c06b68abf11fb84f2a3c
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 6b4643293ec666399345858d82f7e232845dfbee7242ff9a4d17792a21990921

(this sample)

  
Delivery method
Distributed via e-mail attachment

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