MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899
SHA3-384 hash: eb77dfbaf0e4995871096204f9f1562b9d869799c21bff650e5df4086aad9b6c3b02fd74495b9f9a046892d83258f164
SHA1 hash: ad22369d1295cc01fe02fdcef6262167ee405b1e
MD5 hash: 80c5213f5555c29dbb724e71d7087b1d
humanhash: crazy-fillet-cup-alaska
File name:HG284-2021_03_31.pdf.exe
Download: download sample
Signature Formbook
File size:778'240 bytes
First seen:2021-03-31 07:12:44 UTC
Last seen:Never
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:GFsGxD/yCYIhkrSIACFJUSMB1A/j3X30fcn2yn6BJOx2md9nfRpZsdYVzah9gqI:GFsGJBhEStCFJpw1AT0qaJOx3nfRpZsG
Threatray 4'517 similar samples on MalwareBazaar
TLSH 98F4E0247206FD97E47984F504CC5793B2F347D5120AE9B93CE492E492D22E3BBE1AC9
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail-smail-vm43.hanmail.net
Sending IP: 203.133.180.231
From: Marine Radio Co., Ltd. <shinin2001@hanmail.net>
Subject: Purchase Order (HG284-2021_03_31)
Attachment: HG284-2021_03_31.pdf.gz (contains "HG284-2021_03_31.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HG284-2021_03_31.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-31 07:20:49 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 378844 Sample: HG284-2021_03_31.pdf.exe Startdate: 31/03/2021 Architecture: WINDOWS Score: 100 33 www.thesalesarcade.com 2->33 35 thesalesarcade.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 11 HG284-2021_03_31.pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\HG284-2021_03_31.pdf.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 HG284-2021_03_31.pdf.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.reddirect.net 64.190.62.111, 49722, 80 NBS11696US United States 18->37 39 www.tinnitusofficial.club 104.21.43.51, 49725, 80 CLOUDFLARENETUS United States 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses netstat to query active network connections and open ports 18->53 22 NETSTAT.EXE 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 25->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-03-31 05:35:04 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.profit-maximisation.com/g7b/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899
MD5 hash:
80c5213f5555c29dbb724e71d7087b1d
SHA1 hash:
ad22369d1295cc01fe02fdcef6262167ee405b1e
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899

(this sample)

  
Delivery method
Distributed via e-mail attachment

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