MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4
SHA3-384 hash: 7283e71b182c5a083f1f65367804bfa66ed879a473f7ffd1df4a67dfdb0011b703631b1dda9feee220a1ef870463c50b
SHA1 hash: 5a9353c5b8b1e1b19b7879cd483c9f715237c478
MD5 hash: 1662b1ff6de1371a09ecabb5a2c14905
humanhash: mississippi-oven-december-ten
File name:Doc_3957495686846574893974939464936488463936484,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:79'360 bytes
First seen:2021-02-26 06:52:05 UTC
Last seen:2021-02-26 08:54:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:0dPKCblLCYkKR1TcIFr33QxB4KU5YGdOr/82fKcejIXWrNoAWfn+:sPKCblLCdC1TcIFr33QxB4KU5YGdOr/g
Threatray 4'011 similar samples on MalwareBazaar
TLSH CA733290FD57C8DDE85652BD8C5ED82C1162AB5E90B1461E20DB3B3AA5FF34310A7E0B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ns4.leaseweb.net
Sending IP: 213.227.149.147
From: Nurul Ain <ain@jpp.com.my >
Subject: Product Inquiry
Attachment: SIN_TONG_HWA_TRADING.IMG (contains "Doc_3957495686846574893974939464936488463936484,pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Doc_3957495686846574893974939464936488463936484,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-26 06:56:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a231ef88-20df-49ae-85b7-b50b62162baa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/119339/
Detection(s):
SecuriteInfo.com.Trojan.Heur.DNP.em0@a8aXpWgi.9184.2129.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/619423
Signature
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 358706 Sample: Doc_39574956868465748939749... Startdate: 26/02/2021 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for domain / URL 2->29 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 7 other signatures 2->35 7 Doc_3957495686846574893974939464936488463936484,pdf.exe 17 3 2->7         started        process3 dnsIp4 25 coroloboxorozor.com 172.67.172.17, 49711, 80 CLOUDFLARENETUS United States 7->25 27 192.168.2.1 unknown unknown 7->27 37 Adds a directory exclusion to Windows Defender 7->37 39 Tries to detect virtualization through RDTSC time measurements 7->39 41 Hides threads from debuggers 7->41 11 cmd.exe 1 7->11         started        13 powershell.exe 24 7->13         started        15 WerFault.exe 23 9 7->15         started        17 Doc_3957495686846574893974939464936488463936484,pdf.exe 7->17         started        signatures5 process6 process7 19 conhost.exe 11->19         started        21 timeout.exe 1 11->21         started        23 conhost.exe 13->23         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-02-26 06:52:18 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hira4277kn5socmr2g5utzjqy4tz7nsd7cu3lgmlx35omfakdh2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
031e72b45d66c3365bfe3c7ace3c4c2a79facffa8daa7b483c77350a791c0133
Formbook
0a2e7c9ad53b5355f4f723912d07f9dae7d1e2d72ac62758cdc44196f124945e
Formbook
2bec4da3283f4d9329b155c12e5ee6f5f8943bb43d9e66c1767b877b89a19063
Formbook
4698bc9f2d175db34261a75b9af17e3a6da6e1bf2df9c287c37fcc133d421cd6
Formbook
4cced354a0867338e39875526796861c483e8475bdacd117dd34ad1c2d89ec63
Formbook
4df95b25eba61af4dafea962aece44721deaebbb49cd3636fe3d20f169009d99
Formbook
5101663e1850401504dd1e56231725be9a3001ed01e99fa88d348b9511c52f4d
Formbook
a0a24af1d7eaf3c0066b417f3f631327af37f5e1e3ee8f79019bade1f700ef69
Formbook
a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832
Formbook
e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
Formbook
+ 4'001 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader evasion loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210226-5hrcx6qpgn/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Windows security modification
Xloader Payload
Formbook
UAC bypass
Windows security bypass
Xloader
Malware Config
C2 Extraction:
http://www.aubonmarcheduparc.com/rina/
Unpacked files
SH256 hash:
3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4
MD5 hash:
1662b1ff6de1371a09ecabb5a2c14905
SHA1 hash:
5a9353c5b8b1e1b19b7879cd483c9f715237c478
Link:
https://www.unpac.me/results/3803850d-a0b2-4f9f-83a9-c869c56ead96/
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_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

img 2c4a614f2ec55fa434983da9758e39b22771eda76e724ea31a91efc6184fb3eb

Formbook

Executable exe 3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4

(this sample)

  
Dropped by
MD5 110f6ccb4b895841544a8aee876a4183
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/119339/
  
Dropped by
SHA256 2c4a614f2ec55fa434983da9758e39b22771eda76e724ea31a91efc6184fb3eb

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