MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ffd8307eca6e6b382c035cb0ad32e52f37f9180e092764d6224d97557ef8ec9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ffd8307eca6e6b382c035cb0ad32e52f37f9180e092764d6224d97557ef8ec9
SHA3-384 hash: 9cb180dfeecb29cf7837dfe19206f6f48a77c059f44a39f55206e642c9fb6e5a070e41609bd377ea3e5a4833a4e06274
SHA1 hash: aa8942a24452ac6e95feb05f1a5038d006f08c4d
MD5 hash: 306237cff93b7d61b1f72c400a9522e1
humanhash: cold-bluebird-steak-beryllium
File name:T31597760-Confirm-20210507-100016-Email-1574401.PDF.exe
Download: download sample
Signature Formbook
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File size:982'016 bytes
First seen:2021-05-10 12:16:56 UTC
Last seen:2021-05-10 13:06:46 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:HDoTjD7wGGPBVw9hhhxCg7OlOAiSyHesKvOFfYTFEwPAI9S93hwC3yezPcvFXXZH:jIzq2hhhxCHlOA6+s2Ti3hfL2FXXZH
Threatray 5'044 similar samples on MalwareBazaar
TLSH 93253850B1439AECD87E26F1D6DCDC7891E5EDA28E11D2BDD69833684738F4E41EC222
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/153992/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779348
Signature
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension
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:
Download SVG
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/4ffd8307eca6e6b382c035cb0ad32e52f37f9180e092764d6224d97557ef8ec9/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-05-10 05:55:43 UTC
AV detection:
24 of 47 (51.06%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j76ygb7mu3tlhawagxfqvuzoklzx7ema4cjhmtlcetmxkv7pr3eq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
031e72b45d66c3365bfe3c7ace3c4c2a79facffa8daa7b483c77350a791c0133
Formbook
2bec4da3283f4d9329b155c12e5ee6f5f8943bb43d9e66c1767b877b89a19063
Formbook
3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4
Formbook
3ba0da5db0ccdbabdfd7e95fe24a1c43056b77893dc6c589ede0a2a4ba365cce
Formbook
6bd5e5d02430922bfce2893c805028ae0374fee203235b379856f8bc5f574a76
Formbook
77a065555ec0a5c4dfbae72cdb035af45edf7997b1859fa75a158c40f119a020
Formbook
95eedb3eaf98ec12d5f66609278d43f94e1f635420d413ee0672bbf9434aafa4
Formbook
ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
bd6055810a703f4f0caec388c7cce89661ee9451179dc3abe6261480bda4105e
Formbook
cd292d4cdb5ff8f2de087a09de2a152722d910f1df7ce7b65e6480be9ae77fdf
Formbook
+ 5'034 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210510-ebfzn3j5gs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rogegalmish.com/a8si/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4ffd8307eca6e6b382c035cb0ad32e52f37f9180e092764d6224d97557ef8ec9

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
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Rule name:Select_from_enumeration
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Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/153992/

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