MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76fb4deca980cbc985a590ac1f8481bc1b08cd9ab19fd24c902cc58347e792f6. 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 2 File information Comments

SHA256 hash: 76fb4deca980cbc985a590ac1f8481bc1b08cd9ab19fd24c902cc58347e792f6
SHA3-384 hash: e2c173c6b97e3d2902fc2ee4df9f64ec66a1e4a33d2fddfc68cf92068f81d8457f11b3e3490648e85d2c1935d58af6d8
SHA1 hash: 47fdec5c2694b3ccd209d68896ffb216315fe055
MD5 hash: 259804c409e6b0863afa760aa54e9004
humanhash: april-robert-white-emma
File name:259804c409e6b0863afa760aa54e9004.exe
Download: download sample
Signature Formbook
File size:830'464 bytes
First seen:2022-02-09 16:19:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mM3/v+3Q8aZpjwZ8KZHaCxztvtzQ9cFE7FuS3Ttexy+Sea9:t3+AtZpjQVaCxzxm9cMTtwyea9
Threatray 13'484 similar samples on MalwareBazaar
TLSH T11D05BD2F487E223AC5BCDBB14985CD1FF496CD663533A91D299636D906327B230D222F
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
.NET source code contains very large strings
Antivirus detection for URL or domain
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
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)
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: 569518 Sample: BGmMB3JGNc.exe Startdate: 09/02/2022 Architecture: WINDOWS Score: 100 40 www.spartanboardgames.com 2->40 42 parkingpage.namecheap.com 2->42 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 7 other signatures 2->52 11 BGmMB3JGNc.exe 3 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\BGmMB3JGNc.exe.log, ASCII 11->38 dropped 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 15 BGmMB3JGNc.exe 11->15         started        18 wuapihost.exe 11->18         started        20 BGmMB3JGNc.exe 11->20         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 22 explorer.exe 15->22 injected process9 process10 24 help.exe 22->24         started        27 autofmt.exe 22->27         started        29 autochk.exe 22->29         started        signatures11 54 Self deletion via cmd delete 24->54 56 Modifies the context of a thread in another process (thread injection) 24->56 58 Maps a DLL or memory area into another process 24->58 60 Tries to detect virtualization through RDTSC time measurements 24->60 31 explorer.exe 2 153 24->31         started        34 cmd.exe 1 24->34         started        process12 dnsIp13 44 192.168.2.1 unknown unknown 31->44 36 conhost.exe 34->36         started        process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-09 13:30:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d7ln rat spyware stealer trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
SH256 hash:
416e7ff281e4223c7887b0b49b8ea5573a61598af8574f4448fbec9dcd451fff
MD5 hash:
f762ce8d6cedf603b1c4fed2f8002743
SHA1 hash:
2017e1701b6a803131d3d43893aee02f8d8dd5b4
SH256 hash:
76fb4deca980cbc985a590ac1f8481bc1b08cd9ab19fd24c902cc58347e792f6
MD5 hash:
259804c409e6b0863afa760aa54e9004
SHA1 hash:
47fdec5c2694b3ccd209d68896ffb216315fe055
Malware family:
FormBook
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.

Web download

Formbook

Executable exe 76fb4deca980cbc985a590ac1f8481bc1b08cd9ab19fd24c902cc58347e792f6

(this sample)

  
Delivery method
Distributed via web download

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