MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920d5b079a7684340c82b1334d87f828f4820b54437da0d109b381fdae39ac92. 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: 920d5b079a7684340c82b1334d87f828f4820b54437da0d109b381fdae39ac92
SHA3-384 hash: 4e8c674db3d6a1563c1662ff31dc4637bd97331a9d6cb3392d93a1ab904afb595ce207cc7adc983f7063debaddef6a19
SHA1 hash: 21ea82f096df9216f3845ec53bb0757923832778
MD5 hash: d5a83e001105b2103980ea0c575e017b
humanhash: november-black-iowa-kansas
File name:pedido nº 499.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:237'848 bytes
First seen:2021-05-24 17:44:04 UTC
Last seen:2021-05-24 18:02:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:8sB+EwXRfUqrKBAtLRYloVYkYK5zK2mA1aBuSyO6u501u:F+EwXRfNrKB4R1VYkYKRSuu5z
Threatray 5'397 similar samples on MalwareBazaar
TLSH C734124A20C154ABD453077216BBAB8ECBFBF7485A5022ABBB580F5F5F351C3D624247
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
pedido nº 499.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 22:53:44 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/24db5181-984e-475b-90ee-fe6df786012a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Trojan.Casino-141
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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/790657
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 423058 Sample: pedido n#U00ba 499.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 pedido n#U00ba 499.exe 21 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\System.dll, PE32 10->28 dropped 52 Maps a DLL or memory area into another process 10->52 14 pedido n#U00ba 499.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.suu6.com 198.211.22.74, 49736, 80 MULTA-ASN1US United States 17->30 32 www.thedatdaiquiris.com 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/920d5b079a7684340c82b1334d87f828f4820b54437da0d109b381fdae39ac92/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 17:44:11 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sigvwb42o2cdidecwezu3b7yfd2iec2uin62buijwoa73lrzvsja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
1f108a10b866def65686fcb0e0c10612152288ea1f7a6158e5ada37f26d03265
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c09b2348606b04620b185f4658474843eef3d9ec99ae70145a481b955d50aebf
Formbook
c51924bcaad1fd98393bd75c23f6ca084bfed8f346085520bf61b550f85a3fa4
Formbook
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Formbook
fc6028f1731d7c612c6a4b848df098cfaa7d3caac1a098c526d9eb24d46bd6c2
Formbook
+ 5'387 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210524-lajc49m6e2/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.craftsman-vail.com/cca/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/920d5b079a7684340c82b1334d87f828f4820b54437da0d109b381fdae39ac92

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_InTheFuture
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

Executable exe 920d5b079a7684340c82b1334d87f828f4820b54437da0d109b381fdae39ac92

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments