MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217. 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 3 File information Comments
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SHA256 hash: b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217
SHA3-384 hash: fd70d81ad2dbe04847df8260ef3f72cecc50ee03da1652eab6c469ab4502ea3a70d68439f32be9968556125e8e542adc
SHA1 hash: 94ec905e679fd942228fd10401983a9290643359
MD5 hash: b357b743450e971af2429d0635746362
humanhash: leopard-virginia-thirteen-cola
File name:SHIPMENT ARRIVAL NOTICE - ORIGINAL DOCUMENTS__pdf.exe
Download: download sample
Signature Formbook
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File size:367'104 bytes
First seen:2021-11-09 03:59:58 UTC
Last seen:2021-11-09 06:15:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:0hIewUeMKMX1GVlovNs5XkbtNZVJtnRuoH/x4SmV39ayeee7IvWQwqxFO:mwUePUGjINs5XwHz5zmD1e7PQw6FO
TLSH T10274123A9794522FC89C277A3C137E42023911C7B81BF7AF3B9992617A333516993BD1
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/204342/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18950.28243.19089.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6189f248175442ca93a886b1/reports/d6c5be47-d0a0-45d5-8620-d6b737da438c/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/163159ad-db09-48ce-a120-2aa67ff21925
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885712
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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: 518181 Sample: SHIPMENT ARRIVAL NOTICE - O... Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 28 www.growwin.net 2->28 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 10 other signatures 2->54 10 SHIPMENT ARRIVAL NOTICE - ORIGINAL DOCUMENTS__pdf.exe 3 2->10         started        signatures3 process4 file5 26 SHIPMENT ARRIVAL N...UMENTS__pdf.exe.log, ASCII 10->26 dropped 13 SHIPMENT ARRIVAL NOTICE - ORIGINAL DOCUMENTS__pdf.exe 10->13         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 chkdsk.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 36 Self deletion via cmd delete 16->36 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Tries to detect virtualization through RDTSC time measurements 16->42 22 cmd.exe 1 16->22         started        30 url.xincache.com 103.149.26.92, 49819, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK unknown 19->30 32 www.nomadcarrier.com 64.98.145.30, 49821, 80 TUCOWS-3CA Canada 19->32 34 8 other IPs or domains 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 46 Performs DNS queries to domains with low reputation 19->46 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-09 04:00:09 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woc7anxpvhyd4e5sroemlsg5qlnvjcemp6mmi5snjqipjmozwilq._file
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:ubw4 loader rat suricata
Link:
https://tria.ge/reports/211109-ekn9eabfak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.xpirellod.com/ubw4/
Unpacked files
SH256 hash:
e1169ecf8e3130e6373017e746f0005d91af160ad66d89c268ebc19d6848ca21
MD5 hash:
cbe6ad5104f34565d9b5c9823fd09895
SHA1 hash:
91f245ed653b213b47ea98a9006b303dc99f9c86
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/b42fe5c3-ad60-435d-8213-9f9ca04123d8/
Parent samples :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 hash:
c37fd6257170f72bcf5b176cced463ec41b1a83a0006a8e0ac73410622c87a69
MD5 hash:
9aacebd12e12c98f33dc42104b2b3c95
SHA1 hash:
e7151225e0b4a9b7f9c023651cfd60564c170111
Link:
https://www.unpac.me/results/b42fe5c3-ad60-435d-8213-9f9ca04123d8/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/b42fe5c3-ad60-435d-8213-9f9ca04123d8/
SH256 hash:
b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217
MD5 hash:
b357b743450e971af2429d0635746362
SHA1 hash:
94ec905e679fd942228fd10401983a9290643359
Link:
https://www.unpac.me/results/b42fe5c3-ad60-435d-8213-9f9ca04123d8/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b385f036efa9/report/overview.html
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/b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217

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:pe_imphash
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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.

Malspam

Formbook

Executable exe b385f036efa9f03e13b28b88c5c8dd82db54888c7f98c4764d4c10f4b1d9b217

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204342/

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