MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5. 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: 7


Intelligence 7 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5
SHA3-384 hash: 86e05f2e9ace09694551e23a39e13b3ac872f532266a4ef614a4c3678826ed95348b63d4378f07fb31fbb38e909838d9
SHA1 hash: 552d696ec821cd55e2a2de236f1e54686e4661b7
MD5 hash: 271fc31a859db6a1b3d6286e94387795
humanhash: twelve-six-arizona-fourteen
File name:Purchase Order No.1364.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:604'913 bytes
First seen:2023-10-31 08:38:18 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:UvO1JLEwa9sItEH59zZdcTi6/womT80AAksRf0+zQQ:51JU99t09zvcTDIo3WRf0m
TLSH T128D423C426AB63D6AD9C2FB8C551910DD348BF6DC3242F75B7FA23908970BA63919313
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Jason Keh [ HBS SG ] <jason@hbslogis.com>" (likely spoofed)
Received: "from hbslogis.com (unknown [79.110.62.128]) "
Date: "31 Oct 2023 09:28:17 +0100"
Subject: "Purchase Order No.1364"
Attachment: "Purchase Order No.1364.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Purchase Order No.1364.exe
File size:625'152 bytes
SHA256 hash: 3ea69a1a0c5cc196a71ab1d7754abe0683813ff321d59d731bb72d2d3d076f3f
MD5 hash: 71456b88afd252a9a3637536edfb7476
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3108.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.22205.ZipHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6540bd270ca0b0185171ad81/reports/390d58e1-8d7d-456c-b84d-0fcff5a7bf62/overview
Verdict:
Malicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
100%
Verdict:
Malware
File Type:
Archive
Link:
https://malprob.io/report/75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-31 07:38:19 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxmqfee4mquayeheojxdwetzocwyeunbbr7tbffyibuvuxc4kpkq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231031-kr5smadb49/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 75d902909c64280c10e4726e3b127970ad8251a10c7f3094b840695a5c5c53d5

(this sample)

Formbook

Executable exe 3ea69a1a0c5cc196a71ab1d7754abe0683813ff321d59d731bb72d2d3d076f3f

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 3ea69a1a0c5cc196a71ab1d7754abe0683813ff321d59d731bb72d2d3d076f3f
  
Dropping
Formbook
  
Dropping
MD5 71456b88afd252a9a3637536edfb7476

Comments