MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39. 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: 6


Intelligence 6 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39
SHA3-384 hash: f6d9f4228f4ddb642323c1f6e6c99c7929547783b3a778144ee6f92507a2f29a122f0de3993ac72d2804b02252c9ab3b
SHA1 hash: 63dbb67fea1c80f51b25fb03c0c2244d902e453b
MD5 hash: 22ee2ab47995fdfede28b33793904660
humanhash: eleven-east-video-green
File name:3306-2260778 - DEC.ISO
Download: download sample
Signature Formbook
Create hunting rule
File size:1'245'184 bytes
First seen:2023-12-05 08:17:54 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 12288:N45+po2QiHBU1So/2q1eC0lvI0VoC0qgqK6AlCD3DsQClUTcmCq+uRZxN5K:4+pJJhfK2q1ePLWqKRl23Za8RzNM
TLSH T15E45238A72C8DB31E82BAB7AB985255107F5B6036271FF2B36DD02DC5B56B060EC1713
TrID 47.7% (.ISO/UDF) UDF disc image (2114500/1/6)
46.2% (.NULL) null bytes (2048000/1)
5.7% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ATN) Photoshop Action (5007/6/1)
0.0% (.ISO) ISO 9660 CD image (2545/36/1)
Reporter cocaman
Tags:FormBook iso


Avatar
cocaman
Malicious email (T1566.001)
From: "Ekonomi GP <kseniuszko@abak.com.pl>" (likely spoofed)
Received: "from postfix-inbound-v2-7.inbound.mailchannels.net (inbound-egress-6.mailchannels.net [199.10.31.238]) "
Date: "Sun, 03 Dec 2023 23:12:39 -0800"
Subject: "DOCUMENTS FOR D1058778-04DEC"
Attachment: "3306-2260778 - DEC.ISO"

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
CH CH
File Archive Information

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

File name:3306_202.EXE
File size:649'728 bytes
SHA256 hash: 6de3ca2658af9f752d06492509b21dbe3862fc018270f56d5a2894cb6e5a1e7a
MD5 hash: 1d53cc6f9a980bd702fbde5d8d39eeb9
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.16659.31984.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
context-iso packed
Link:
https://www.filescan.io/uploads/656edcbd3636548f373ae062/reports/1ff854aa-8d11-4402-bd67-bf248d9b6160/overview
Verdict:
Malicious
Labled as:
Possibl.E94332FB
Link:
https://www.hybrid-analysis.com/sample/e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 02:54:11 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5fe3bsc7auf3jxitbd3wkusdpxyuwjc3eyuxkukohgn6c5aidy4q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231205-kepwmsad74/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
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

iso e949b0c85f050bb4dd1308f76552437df14b245b262975514e399be174081e39

(this sample)

Formbook

Executable exe 6de3ca2658af9f752d06492509b21dbe3862fc018270f56d5a2894cb6e5a1e7a

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 6de3ca2658af9f752d06492509b21dbe3862fc018270f56d5a2894cb6e5a1e7a
  
Dropping
Formbook

Comments