MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057
SHA3-384 hash: cb06bb5714b5db86fd916f66e0cacf9e7a5e710d4f3c8ba783ecd3ffab4a868866bb757998730cf3a792a5389453b6f3
SHA1 hash: d75f3be9a3ab927ede5e4953a28c99e6b2584cec
MD5 hash: fd498a1be2c83df884266ad732f7a3c4
humanhash: juliet-seven-low-december
File name:fd498a1be2c83df884266ad732f7a3c4
Download: download sample
Signature Formbook
Create hunting rule
File size:311'777 bytes
First seen:2023-03-01 18:52:19 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:AYa6o14m7yrnRJFJ65+ITi8iUDQ8WjPPznEZK96pEapfXBHFK:AY2GRsQITWPnEZo6pXpPNk
Threatray 2'285 similar samples on MalwareBazaar
TLSH T16D6401483760E472D8A30AB25E76C9F99AB17D25DC65978B37D07FAF3832281DA0D311
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
8757t68657.doc
Verdict:
Malicious activity
Analysis date:
2023-03-01 10:04:58 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/4f04ccd6-8119-4362-9adb-c2123ba20112

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/370906/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1322.15551.27302.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ff9f112ea6b36966303fe6/reports/a26f14e4-3d7c-4477-a8cd-379ae2d75c4e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b10503cc-f55a-4629-a64b-c13317c55db0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1185347
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 818199 Sample: TtXvlNUtyT.exe Startdate: 02/03/2023 Architecture: WINDOWS Score: 100 35 www.woodburnershop.co.uk 2->35 37 woodburnershop.co.uk 2->37 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 4 other signatures 2->61 12 TtXvlNUtyT.exe 19 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\Temp\wdawsu.exe, PE32 12->33 dropped 15 wdawsu.exe 12->15         started        process6 signatures7 71 Maps a DLL or memory area into another process 15->71 73 Tries to detect virtualization through RDTSC time measurements 15->73 18 wdawsu.exe 15->18         started        process8 signatures9 47 Modifies the context of a thread in another process (thread injection) 18->47 49 Maps a DLL or memory area into another process 18->49 51 Sample uses process hollowing technique 18->51 53 Queues an APC in another process (thread injection) 18->53 21 explorer.exe 4 1 18->21 injected process10 dnsIp11 39 www.ocnarf.co.uk 103.83.37.240, 80 MEDHAHOSTING-AS-APMedhaHostingIN India 21->39 41 www.onescribe.app 21->41 43 3 other IPs or domains 21->43 63 System process connects to network (likely due to code injection or exploit) 21->63 25 msdt.exe 12 21->25         started        signatures12 process13 dnsIp14 45 www.ocnarf.co.uk 25->45 65 Modifies the context of a thread in another process (thread injection) 25->65 67 Maps a DLL or memory area into another process 25->67 69 Tries to detect virtualization through RDTSC time measurements 25->69 29 cmd.exe 1 25->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2023-03-01 10:51:51 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 25 (72.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=26ou6ynivr7hf5fvd7mheml2pwp6xbfenzd35pij5nqmri2oyblq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3a5125b535a9d3aec7608c040173cea1e3c12cb855ec5bad90847406022dfe98
Formbook
3c081233757b9e6b0c3b74db106fb9778b2bcef8a708fc642f3e2c4e6eb74410
Formbook
4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2
Formbook
51054c5181fc248a1642dc3a5cdb7f353aaf5d136aa20bdc59084970e74c5a8b
Formbook
63351d94c96745a2830b1a206583511c04d1f78cd631d2c51c08cfd391f4a211
Formbook
ad8fd0b0690db382dc13e6e8a7365581877af214c39ca5dd673b8cea760e8891
Formbook
+ 2'275 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b07o rat spyware stealer trojan
Link:
https://tria.ge/reports/230301-xjmnashc2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
12a7cd1058647b4bf7e712fe8e35c252df238d9620700f1757c65d1c734767ea
MD5 hash:
a4a3e5290096411bb27f8c7ad4575eca
SHA1 hash:
5c8a178bf433816679de285e1d136b307b0ac38c
Link:
https://www.unpac.me/results/f43ac85d-2cd9-4d3e-8334-00873eba16c0/
SH256 hash:
d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057
MD5 hash:
fd498a1be2c83df884266ad732f7a3c4
SHA1 hash:
d75f3be9a3ab927ede5e4953a28c99e6b2584cec
Link:
https://www.unpac.me/results/f43ac85d-2cd9-4d3e-8334-00873eba16c0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d79d4f61a8ac/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/d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057

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: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.

Web download

Formbook

Executable exe d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2554528/
Cape
Cape
https://www.capesandbox.com/analysis/370906/

Comments


Avatar
zbet commented on 2023-03-01 18:52:20 UTC

url : hxxp://kerasiastudios.gr/bobourn2.1.exe