MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4. 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 3 File information Comments
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SHA256 hash: ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4
SHA3-384 hash: 171ab5c9ba7235186997d3df2bfbecef7ac87372b62c8931ab02263b8bb600d2d2accad7b439c90afe3d369c7259fd81
SHA1 hash: 1d7c1526e633027e4f6a90d6f41d394564fcbd3c
MD5 hash: ffb41067c3ba0fcfbcdefea7ad536443
humanhash: lemon-oscar-fish-hot
File name:SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.10373.23215
Download: download sample
Signature Formbook
Create hunting rule
File size:857'600 bytes
First seen:2021-05-31 23:43:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:QhSfbxpmIb6NH5+512QgTse2JVP9ij6X8iJsAY8S0426I/2cGNJ+6sCLc2Qnb/wt:7Vp3g612Q8SVP9imt2Q6YRjDk
Threatray 5'535 similar samples on MalwareBazaar
TLSH 5705E132129A9BE4E67DC7B844B4C87303F5B8D7DB02CB3DAAA854D91491B4085D27BF
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.10373.23215
Verdict:
Suspicious activity
Analysis date:
2021-05-31 23:46:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d83be7c-e3a5-42ee-b4ce-861315259629

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/163583/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.10373.23215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794896
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 22:44:37 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vqq4dhsyyqpsnaauzis7f6vxnq4y5l3lldqom23uwcykga4v3pca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
298b7204317915aa463fecd43ee99abbb9020e993dc0ffdcc5e382d0f590a7b8
Formbook
5b7770f02c562dffdbe0cd638e288adba8f340c7231ef30fa2860b7f4b9dfa80
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
7c8eea0e649a176edb83fc19998f0e99be49c7bee1ff9090d1be69f614554088
Formbook
8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919
Formbook
9c335d547092d063a6bc46441486d5336c62818b648139ab92839e30ef230c4a
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 5'525 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210531-zn77hlq5sn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4

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: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.

Web download

Formbook

Executable exe ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/163583/
  
URLhaus
https://urlhaus.abuse.ch/url/1311664/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1312438/

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