MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688. 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 9 File information Comments
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SHA256 hash: b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688
SHA3-384 hash: e483e227bad6cba0172f53586f526bcf95775b0b0cef70fde1baad1f732d15a8d988ac11b9b99e4158cf0165f7b9608b
SHA1 hash: be489285f6b746d48a9f4eed0bd2e7303a0d225a
MD5 hash: 67759cdef5bc28e30e5d626fc262faeb
humanhash: april-texas-bacon-oklahoma
File name:HSBC Payment Advice _pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:424'029 bytes
First seen:2023-02-23 07:09:39 UTC
Last seen:2023-02-23 08:33:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:SYa6/M/p5HwVKSmyjUJdxNMaXJz0uU9D+lpZ2vqC7FZ9TPIPNsIuypA6o1h:SYpM8oSmyw1XpU9D+rZ2CC7hgPN5g6Gh
Threatray 1'529 similar samples on MalwareBazaar
TLSH T1E094D0C58D8DECC2F81312F07EB6DB9A714FBCAE45A046093627BA15A4331532A37767
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 72ceaea6b29696aa (3 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HSBC Payment Advice _pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-23 07:12:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2196d00d-357f-4110-b9e3-512090644155

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/369177/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.17408.26138.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed razy shell32.dll
Link:
https://www.filescan.io/uploads/63f7114ba6ba2f75a97adc0a/reports/51055318-8fcc-4a08-a84b-2c273088c4b3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/60db8bc7-fbf9-43cc-a3d5-1b6430b21e4d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1181112
Signature
Antivirus detection for URL or domain
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813941 Sample: HSBC Payment Advice _pdf.exe Startdate: 23/02/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 6 other signatures 2->41 9 HSBC Payment Advice _pdf.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\...\pvoenld.exe, PE32 9->27 dropped 12 pvoenld.exe 1 9->12         started        process5 signatures6 55 Machine Learning detection for dropped file 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 pvoenld.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 1 15->20 injected process9 dnsIp10 29 www.commandos-g.com 109.70.26.37, 49692, 80 RU-CENTERRU Russian Federation 20->29 31 088-356.com 45.125.218.235, 49688, 49689, 80 PING-GLOBAL-ASPingGlobalAmsterdamPOPASNNL Hong Kong 20->31 33 15 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 45 Performs DNS queries to domains with low reputation 20->45 24 systray.exe 13 20->24         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 24->47 49 Tries to harvest and steal browser information (history, passwords, etc) 24->49 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-02-23 07:10:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w22n57bd7v4ya7wwywsofiirizod4rckn36qp2bx7t77usqzw2ea._file
Verdict:
malicious
Similar samples:
2666d6497d3cc713c61afcf15370f3f4efd89e1dd719afcb99c1184236b35112
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
591ea8c06daef587f239bbaa3d29cb46ccba25ccba58c324441efbaf4c5eb5d8
Formbook
7421357a93e7c44d80dd1fca3c0359e23b98c590722ef09ee940766fb5252fdf
Formbook
804b5ea31eb2d266580093c2a144a1f62ef1ba88e39d2de9d79bbad405408197
Formbook
8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
Formbook
99051aeb9862fff027754d23529ee69acfc797e1261b0b7eac7f9253ffece602
Formbook
a21c6c623959c4995842ace85f7f5a7e3751c4930d28ebad92c7a737a7f8cfb8
Formbook
c5e68a14f6ea969a5a79718ebd9f7fcaa269e3ab749626772a33bb185ab50e17
Formbook
caf42d835224609c61dcc1b6ddfcf517e47088e750ee67b16508c4fb2fdc5e6b
Formbook
+ 1'519 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230223-hzdm1afa75/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
c1391a85afada30cc27abc10ccfe84093e2f902bcc6d83f81530b1e556b6aae1
MD5 hash:
eac2c84c4cc119465fa15fa51819939d
SHA1 hash:
9940a5c9922a230445fa83bbc0c420c563e0f083
Link:
https://www.unpac.me/results/3ff15fa0-64b0-406f-b675-c76219e736dc/
SH256 hash:
b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688
MD5 hash:
67759cdef5bc28e30e5d626fc262faeb
SHA1 hash:
be489285f6b746d48a9f4eed0bd2e7303a0d225a
Link:
https://www.unpac.me/results/3ff15fa0-64b0-406f-b675-c76219e736dc/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6b4defc23fd/report/overview.html
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/b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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

Executable exe b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/369177/

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