MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568
SHA3-384 hash: cea0f91a8c8ae641fef313e1e9cbe5f106ec08665f4f01ce5e7d0a215a51d4ad1a506d29f84679d4013c08886d9bc68f
SHA1 hash: c54860d5cd9b861f0971c9fe304d074fcdfa8446
MD5 hash: cf411c7832090da7dea8284f65c7e616
humanhash: chicken-blue-hawaii-shade
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'085'440 bytes
First seen:2022-03-22 18:30:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zohvKc6iCJOISdnsEmb83Ca7iyKTKp2EX8QxF:zohyNJvSh/rAysKp
TLSH T168352382536C8B74F93E57B228B16D8267BA12575816F94FDCC2C9EB64EBB085341F03
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/255039/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FSG.genEldorado.21813.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/623a1604b94fb38cb4d0ce8d/reports/ec81fb4a-aca5-4c73-b724-9d5213b5b362/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd42e5dc-8a7d-409c-aafa-1f7b63e6ea3c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/962126
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-22 18:31:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3yxvbxjh46hpffu2423dacxxrxzmsrm3f4xkekncbwhlqdnivua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ok4e loader rat suricata
Link:
https://tria.ge/reports/220322-w52hxadaej/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6f1bdc148ef8191b2feba9973d53788f383ed9e900895e2185996d9c19807b68
MD5 hash:
b77200269aff132c89ff539252190aff
SHA1 hash:
6016d8604b778f66023cadda92d0f955a56e47f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/87894753-a900-4f04-9acf-5d56fe54da03/
Parent samples :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 hash:
92c1e196209207c3a86b7b73f4b743d4a678b332d333542e6b6fd92e0c64167e
MD5 hash:
ca0e4900d8e51227ceb0b6667d07b58f
SHA1 hash:
e71a6a4db90e96272ef980048e2cfa9fddfa944a
Link:
https://www.unpac.me/results/87894753-a900-4f04-9acf-5d56fe54da03/
SH256 hash:
30854575b141ff9c9ff1a7a95026903b7c151f8f696ed5102bd341660c18f475
MD5 hash:
381db70fbb8a1860562117ff0a64be8f
SHA1 hash:
9b350ae9757ec55f780890d432eae57c56c08f10
Link:
https://www.unpac.me/results/87894753-a900-4f04-9acf-5d56fe54da03/
SH256 hash:
301642ff8826ac264d1a78b36237b5ece99cb31a2d9cecd04aafb3449679d94b
MD5 hash:
f08268ddb5c1236b947fe2864860fc98
SHA1 hash:
772410110fee00fc53939b94c2f64069fa824cf4
Link:
https://www.unpac.me/results/87894753-a900-4f04-9acf-5d56fe54da03/
SH256 hash:
b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568
MD5 hash:
cf411c7832090da7dea8284f65c7e616
SHA1 hash:
c54860d5cd9b861f0971c9fe304d074fcdfa8446
Link:
https://www.unpac.me/results/87894753-a900-4f04-9acf-5d56fe54da03/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b6f17a86e93f/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/b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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.

Malspam

Formbook

Executable exe b6f17a86e93f3c7794b4d735b18057bc6f964a2cd97975114d106c75c06d4568

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/255039/

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