MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bf67d4c2cf035adddd50e4766c804d4f59c3cf295523066275d4dfb54a81d9c. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bf67d4c2cf035adddd50e4766c804d4f59c3cf295523066275d4dfb54a81d9c
SHA3-384 hash: 41b2467d651cf1d4bcafbb1e901bf36df3a336c7f212c86c8e42b9c44d7eeb15763d9087c9d9346cddb1328353622e8f
SHA1 hash: c6cb1821d937e32bae3de67ce72464c6c783955e
MD5 hash: fec8cbe72afe715b56587fc673804572
humanhash: six-enemy-early-pluto
File name:ARKEMA CHANGSHU__BEARING PO_20210602092508_4957872385078390-pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'020'928 bytes
First seen:2021-06-02 12:26:14 UTC
Last seen:2021-06-02 13:00:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:DEw2ke+0Z8LYyx0naJT5uyPGNrk8sl02136ZtrW9Z0IvTZ:gs0Z8LZx2aJF9PEk8sl02tQIY
Threatray 5'590 similar samples on MalwareBazaar
TLSH D3259DF4F19898F4D15EC772C2909CA9E7A252FE43438A2D11A5DB8D1F1378ACF8E845
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ARKEMA CHANGSHU__BEARING PO_20210602092508_4957872385078390-pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-02 12:40:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/749377a8-f1cb-4c6e-9d78-b7f01265d998

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/164062/
Result
Verdict:
Clean
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795891
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
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 428290 Sample: ARKEMA CHANGSHU__BEARING PO... Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 33 www.regking.pro 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 ARKEMA CHANGSHU__BEARING PO_20210602092508_4957872385078390-pdf.exe 3 2->11         started        signatures3 process4 file5 31 ARKEMA CHANGSHU__B...5078390-pdf.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 ARKEMA CHANGSHU__BEARING PO_20210602092508_4957872385078390-pdf.exe 11->15         started        18 ARKEMA CHANGSHU__BEARING PO_20210602092508_4957872385078390-pdf.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 35 personalinjuryattorneyoc.com 216.172.171.127, 49769, 80 UNIFIEDLAYER-AS-1US United States 20->35 37 destitur.com 89.252.185.53, 49773, 80 RADORETR Turkey 20->37 39 11 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 raserver.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4bf67d4c2cf035adddd50e4766c804d4f59c3cf295523066275d4dfb54a81d9c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-02 10:53:45 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jp3h2tbm6a223xovbzdwnsae2t2zyphssvjdazrhlvg7wvfidwoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14854d1ce96dcc9795941ec7248f8d2481d5649cdeecaccbfe840f259bc50bde
Formbook
214f61376f7830680175f08fdd0bd6d28fa6c7c44b7f1990e6cbbb4646fdf528
Formbook
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Formbook
6733d0ce3ad0c63755f82e7c05a815f2420cccd7f7775dd9227732f59e7fafff
Formbook
9eb08a4fd35569b3034dbe07ba5334ec8c5bfe262d589bb123e838dbcf688e08
Formbook
9eea2ae3f3200db886bf865381d62d7c4bf5415755cb4cc5ea8b055c94908c06
Formbook
ae80c3c9ddf62e5b9b70e173c55b946db7a41aafee9bd645621157e05e9f95f4
Formbook
b0762ca49381026932f488d2a816a18639c410ba45f456014861ac66b9b3f4e6
Formbook
b9ecf814b7f31a8ee1445d0256ba7a74f46d3e8f0bb588d10c54cd7f7f0fc202
Formbook
f5f61469082ef65ba46317d65f68f999d25e102c2b5f44643cb73f3108564ae2
Formbook
+ 5'580 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210602-fy893yjr5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.greggandrains.com/m4np/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/4bf67d4c2cf035adddd50e4766c804d4f59c3cf295523066275d4dfb54a81d9c

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4bf67d4c2cf035adddd50e4766c804d4f59c3cf295523066275d4dfb54a81d9c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164062/

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