MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8
SHA3-384 hash: 4645fb887faf6b8e3b6940138c4fd3cb1e07ee8b3e443a643d3ebee28d6da2d3195442c1bb9f1c69201b87553dad0e2d
SHA1 hash: 617261030581bf54d9ad4fc2c7b8a297eb2ce9b5
MD5 hash: b2a5e99e7aab7e1ca3bee555b4753d78
humanhash: skylark-idaho-uranus-oven
File name:b2a5e99e7aab7e1ca3bee555b4753d78.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:394'780 bytes
First seen:2023-02-02 12:16:35 UTC
Last seen:2023-02-02 13:40:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:jYa6WIlMvVbgziBUr7VZzFL7zKCM4L38mhitFlkE8wDqfos+jwryI6:jYRlMvOzmUhLymL381FlqYwx6
TLSH T14D84E089F94095A1EC1AA7712936DD325A037C3DA4B42A1C3BCE3E7B3FBB0639419553
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 d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
100299300029.docx
Verdict:
Malicious activity
Analysis date:
2023-02-02 10:19:05 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/1e488a3a-618f-48f2-8f5d-3834638e6f51

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/359523/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.12815.14416.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
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64795/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63dba9c01c9cbf7d62555cd1/reports/ece824a3-ac18-453b-b8b0-e1ec32103b25/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8460ddb-9d08-4beb-9434-d6774420b487
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1164196
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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: 796966 Sample: ifSvpHGxmw.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 6 other signatures 2->39 9 ifSvpHGxmw.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\fniiyl.exe, PE32 9->25 dropped 12 fniiyl.exe 9->12         started        process5 signatures6 51 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->51 53 Maps a DLL or memory area into another process 12->53 15 fniiyl.exe 12->15         started        process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 6 6 15->18 injected process9 dnsIp10 27 www.cagadmin.com 212.23.5.205, 49742, 49743, 49745 ZEN-ASZenInternet-UKGB United Kingdom 18->27 29 www.primeworkspace.net 103.7.9.22, 49753, 49754, 49755 USONYX-AS-APUSONYXPTELTDSG Singapore 18->29 31 22 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 rundll32.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-02-02 12:17:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxyru3aqpigu6xehde6sm55vpk5tkspqgquqjrrerz7gdn7mv7ua._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dcn0 rat spyware stealer trojan
Link:
https://tria.ge/reports/230202-pf2daaab5x/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
a387d7398b4663bb35803295730f2d7ef09d073ef2bf8c210b060214098c6037
MD5 hash:
544eeaf5ec3741c25fc6f974238ab169
SHA1 hash:
626f83227bee34bc0910ed34536e44c1fdb27787
Link:
https://www.unpac.me/results/49a51246-e718-4573-8161-400856a9ac7b/
SH256 hash:
65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8
MD5 hash:
b2a5e99e7aab7e1ca3bee555b4753d78
SHA1 hash:
617261030581bf54d9ad4fc2c7b8a297eb2ce9b5
Link:
https://www.unpac.me/results/49a51246-e718-4573-8161-400856a9ac7b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65f11a6c107a/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/65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8

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 65f11a6c107a0d4f5c87193d2677b57abb3549f0342904c6248e7e61b7ecafe8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2512463/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/359523/

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