MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2
SHA3-384 hash: 2ad2a3a177e684ca8d7a14a8e3d30b15bfd34268d658f2a464c5989b02abf63cadefcb8e4405d4886b11c49a908c87bb
SHA1 hash: 9c7b77c0308c280dce291cb16e57667d29eb46b1
MD5 hash: f200037d56c628664d01dd01b5ee492a
humanhash: india-lion-hot-fix
File name:99811103.png
Download: download sample
Signature Formbook
Create hunting rule
File size:707'584 bytes
First seen:2020-07-21 07:12:22 UTC
Last seen:2020-07-21 09:56:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:SjD9fx7oqF/UEJznWH5gndI7srdmT/kvHaRap:SjD9ho9E5vdI7srDiwp
Threatray 2'300 similar samples on MalwareBazaar
TLSH 72E4B41CA3430597C0190378D678FF5A82241D787ACAE7F4EAA57B8BDF9076B253241E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail0.702.gillonuminno.ml
Sending IP: 164.90.206.212
From: James Firmin <jf@bcbin.com>
Subject: Quotation updated Tracksuit
Attachment: 2020 EM -MK.xlsm

FormBook payload URL:
http://thirdchidet.com/dept/99811103.png

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29770/
Detection(s):
SecuriteInfo.com.Formbook.4950.2350.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/392654
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248546 Sample: 99811103.png Startdate: 21/07/2020 Architecture: WINDOWS Score: 92 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected FormBook 2->39 41 2 other signatures 2->41 7 99811103.exe 5 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\chrom.exe, PE32 7->27 dropped 29 C:\Users\user\chrom.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\99811103.exe.log, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->33 dropped 49 Drops PE files to the user root directory 7->49 15 cmd.exe 1 7->15         started        17 chrom.exe 7->17         started        19 chrom.exe 1 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        43 Multi AV Scanner detection for dropped file 19->43 45 Machine Learning detection for dropped file 19->45 process8 signatures9 47 Creates an autostart registry key pointing to binary in C:\Windows 22->47
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:14:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=krph2neuh2ytxupwjaly22qz7qgkwqh26ahblkbhhy3bpuvb6hza._file
Verdict:
malicious
Similar samples:
0047270c26f603d132bc8e6a67894311356fe2d3c977aa287a09a8261f6b5690
Formbook
23958a583d62bf343e2641dd871d6d788c99649a722fe1908fea9e72e78d17b7
Formbook
371a78d5f848b70de0d716586851eec55e92fc1e4e5898943c62c67a99c9e07a
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375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46
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4052cabc6efdd8910b0c92b973d1a37172a92ee408fc53209d746cfb65e08dcc
Formbook
7a2d439918f752b46c119c13a8e3bc9cecbba270918f52721910ff5447aaefa1
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b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762
Formbook
c7ead8266de17cda17f2c1cf6b146c616a092f2a4d2e59cf80e2815976c5932d
Formbook
dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75
Formbook
e1791b23657d18fc636878f24a44a32f1a2ae4814668600b14b10c03e48c587c
Formbook
+ 2'290 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200721-2rerfvlpwn/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

Excel file xlsm 8c02695ee781efc1ede09439d154b128036847be2aaf047cfb3e6199d8bcc55a

Formbook

Executable exe 545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/415764/
  
Dropped by
MD5 273c9241cda465803acd7ec49a8ba8ef
  
Dropped by
SHA256 8c02695ee781efc1ede09439d154b128036847be2aaf047cfb3e6199d8bcc55a
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/29770/

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