MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b
SHA3-384 hash: 37a64d5a6c795414eac1a42b1739ab193789b2a1278291894740727166006f0b13cd10a172271f49adde5c6dd155e324
SHA1 hash: 496fa422b17a4ff8ca7cf2a02259279a4b182520
MD5 hash: 48cecf8d92d32098a923554cc97cec77
humanhash: diet-alpha-spaghetti-georgia
File name:48cecf8d92d32098a923554cc97cec77.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:429'476 bytes
First seen:2023-01-19 15:07:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:oYa68DLOerJ2DTV0Qd6X5MldHwYvehzbgJ+v68NoYPYJge3MWev4dI61q3Qi:oY2Pr+50wkMlzehXOQVYgeyFN
TLSH T1C694BF3A0F5CED19E18328F877F7A695B5B9C1003ABF6B41DB73585899B89D03D0E242
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 d4e8ccf0f0f0f0c4 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
48cecf8d92d32098a923554cc97cec77.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 15:08:11 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/6cf5b4d4-00cf-419c-ad48-ac1f047bbdc9

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/354585/
Detection(s):
SecuriteInfo.com.W32.Injector.ESNU.tr.27661.22723.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
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/61492/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c95cd581817f6f4dc4b84c/reports/612ad58a-90c9-4183-8f56-3a695273fdb0/overview
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/de1b1720-eea1-4603-8d6f-24384f00febc
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154948
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 787678 Sample: 85oQHE7xAo.exe Startdate: 19/01/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 11 85oQHE7xAo.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\nsbfttkhu.exe, PE32 11->31 dropped 14 nsbfttkhu.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Detected unpacking (changes PE section rights) 14->65 67 Maps a DLL or memory area into another process 14->67 69 2 other signatures 14->69 17 nsbfttkhu.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 1 1 17->20 injected process9 dnsIp10 33 vip.myshopline.shop 104.17.232.29, 49698, 80 CLOUDFLARENETUS United States 20->33 35 www.loveilfracombe.co.uk 199.59.243.222, 49699, 80 BODIS-NJUS United States 20->35 37 2 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 cscript.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-01-18 18:48:41 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nil4vydveihd2x7kcyxsvhnpsdxgu464ppywcebkzywbiouaby5q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:vr21 rat spyware stealer trojan
Link:
https://tria.ge/reports/230119-shwgladc51/
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
7928276712d5086f35fe0acd944d81cdb5b15e82fd883bfd1ddc974309f302e5
MD5 hash:
337160ea24bacd8144f2ca50d8946f86
SHA1 hash:
8f7d53f073de536b7e7ad011b2eaff10f5d3379b
Link:
https://www.unpac.me/results/140cdc68-6a41-45c1-9f4f-47379f6c776e/
SH256 hash:
6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b
MD5 hash:
48cecf8d92d32098a923554cc97cec77
SHA1 hash:
496fa422b17a4ff8ca7cf2a02259279a4b182520
Link:
https://www.unpac.me/results/140cdc68-6a41-45c1-9f4f-47379f6c776e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a17cae07522/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/6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b

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: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.

File information

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

Web download

Formbook

Executable exe 6a17cae075220e3d5fea162f2a9daf90ee6a73dc7bf161102ace2c143a800e3b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2299038/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/354585/

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