MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f. 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 6 File information Comments
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SHA256 hash: 582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f
SHA3-384 hash: 2fbd53fd4f58751766e035b5fab94406f1b41b1ccbd03bd47b824d0ecd7cb7419264c74da35a8ad10ccf0d38200c7632
SHA1 hash: 2be9b42b658709ffb1f8326992668f64cb0b3690
MD5 hash: 27c225daac0c41786f416a73f6d4ee60
humanhash: carpet-purple-venus-yellow
File name:MAERSK LINE SHIPPING DOCUMENT_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:754'176 bytes
First seen:2021-10-23 19:41:11 UTC
Last seen:2021-10-23 21:12:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oKSbh08OGQuZLvqJFTPpGa9RMRGzkjPz3ICI1FHe2JWk3n9gbnLk3:ZnGQYTqlQGzkj7IC4e2L
Threatray 10'882 similar samples on MalwareBazaar
TLSH T115F4CF7A3111BBDFCD27CD7599502C50AFA0B8675B0FD203A85B4E6A7ADE462CF104B2
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
584
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199605/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.27742.22488.18162.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6174f69bdb358dd15ed910ab/reports/cb7ba543-c76a-4588-9575-24c594a8c4cb/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28301c4b-d2e0-4ca8-9a3d-faa54810ea61
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/875709
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
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: 508142 Sample: MAERSK LINE SHIPPING DOCUME... Startdate: 23/10/2021 Architecture: WINDOWS Score: 100 31 www.neondashboard.com 2->31 33 www.cycleserviceindustries.com 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 MAERSK LINE SHIPPING DOCUMENT_pdf.exe 3 2->11         started        signatures3 process4 file5 29 MAERSK LINE SHIPPI...OCUMENT_pdf.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 MAERSK LINE SHIPPING DOCUMENT_pdf.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.vrindaban.xyz 86.105.245.69, 49835, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 18->37 39 www.snugglyprints.com 18->39 41 6 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 help.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
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Status:
Malicious
First seen:
2021-10-19 09:12:49 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lavmog4jimwwwmm6h7bbgnwdacibsvkj3h4wiosjz27wupro4bpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
1d3c91b0ec0e3b039a78c042eec94a3aebbe5da4d6e61cf7b7e54de22084d4a3
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
f5db176e54d46bec4fe01e52b8f5798b154ce202f47c0cbefe111b569544a707
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
fd137acb0bda1d576079078b74fe610d16031da47a801440c7ba955f4504a6e5
Formbook
+ 10'872 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:xc52 loader rat suricata
Link:
https://tria.ge/reports/211023-yenv8sddal/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ded5353.xyz/xc52/
Unpacked files
SH256 hash:
4157d0a14ea883e1186e89dd8670133b86c441b78adfe28beb336b8b1ad49bf0
MD5 hash:
8de24b02bfe185327dda4c82e334ea98
SHA1 hash:
f0c68d9222f31abe3f0b4d44db5598f4527cae62
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f1cd68dc-e1a3-42dd-8699-002500395757/
Parent samples :
582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f
6e08a3af0520b0f1577deb31ae4c12db269ca11444dd694765563c4411c3792c
7bc7100b7f264478967c50cd333b481fe108f1edfd60db59ec277809781cc59c
SH256 hash:
40d432f6e481a47fcb21fc05aca318f369249f1be40b8d03b01d09218e66836e
MD5 hash:
241108c2cee214490ff045b51ebe22a2
SHA1 hash:
a39ba5126ae91d962acca20636c6739b35c935fb
Link:
https://www.unpac.me/results/f1cd68dc-e1a3-42dd-8699-002500395757/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/f1cd68dc-e1a3-42dd-8699-002500395757/
SH256 hash:
582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f
MD5 hash:
27c225daac0c41786f416a73f6d4ee60
SHA1 hash:
2be9b42b658709ffb1f8326992668f64cb0b3690
Link:
https://www.unpac.me/results/f1cd68dc-e1a3-42dd-8699-002500395757/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/582ac71b89432d6b319e3fc21336c30090195549d9f9643a49cebf6a3e2ee05f

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/199605/

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