MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments 1
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SHA256 hash: 498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0
SHA3-384 hash: 884c1e587819d2f78fbd2661776fa0200ad9694e1bccd6ccde49e81ea49fcae17acf76084e123c79202b421422bd5253
SHA1 hash: 98e045b8c32bf6df991dfaddf4f03298acab0b08
MD5 hash: bc0b06402e7d1c9137ddc147b44bb3f1
humanhash: south-monkey-magazine-louisiana
File name:bc0b06402e7d1c9137ddc147b44bb3f1
Download: download sample
Signature Formbook
Create hunting rule
File size:374'075 bytes
First seen:2023-02-07 09:19:29 UTC
Last seen:2023-02-07 10:49:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6C1CzTInAGQFHLe1ql1SVyH1yPUwYQqOpm2307iTFNotGEr3L:/Yc1CzTQAGs6S1gC1yPUwlg230mTFNwf
TLSH T1438423019090DDFBD5964A719F3E063356F9A57278B8834B13502FAEB8371E29F1DB22
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
https://www.sendspace.com/pro/dl/4jkpn4
Verdict:
Malicious activity
Analysis date:
2023-02-06 14:13:46 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/0b24763a-37cf-4e24-880e-e5874503b694

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/361303/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.3709.9990.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
Sending a custom TCP request
Searching for synchronization primitives
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
Forced shutdown of a system process
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/66068/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e217c589bd67c10fdcf444/reports/a8626a80-d376-4bb8-a713-7dde8a59e75c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0
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/a271e531-cceb-4040-8b14-e6125a0f05f5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167508
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)
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)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800287 Sample: ZJ79K2xku4.exe Startdate: 07/02/2023 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 4 other signatures 2->53 11 ZJ79K2xku4.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\qzggr.exe, PE32 11->31 dropped 14 qzggr.exe 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Tries to detect virtualization through RDTSC time measurements 14->71 17 qzggr.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 www.88126875229.ru 77.222.40.224, 49698, 80 SWEB-ASRU Russian Federation 20->33 35 www.avocat-palau.com 213.186.33.5, 49696, 80 OVHFR France 20->35 37 www.bursyardimi.com 104.247.161.194, 49697, 80 ASN-QUADRANET-GLOBALUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses netsh to modify the Windows network and firewall settings 20->57 24 netsh.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2023-02-07 06:29:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 25 (84.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgdfozzuskiqocpdeebv4t5l4ojodiux4kxcmu74wvdee6oupxqa._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/230207-larecadh8y/
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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
1ddd4f39aeb4703ae0c2e6c5a68110b45f64686f7bf3c2c2038dafad40c948d8
MD5 hash:
de4850cffbd214215e410c90eccc228a
SHA1 hash:
e5281c13f78f98a62de68063e93ffec5afda2039
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/10af3ed8-59e7-4442-946c-9d5f744248eb/
Parent samples :
f01a6178de178b128e254ae35774a5254e29dc2478cb9401ee6a179fe63f77db
fb6e51468bc31594bfd2d9fc78afad7d0a471b4bb0de96ab2b53f03d94c25051
498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
SH256 hash:
f4d80b7975633638b1842a4d5c4beede6d77e6a16633411eccfdb06dba47e510
MD5 hash:
a8b8a64da5b2dfaf37977d40e2c62614
SHA1 hash:
c848534d03fff2404d60404081bc76c0c2f20d48
Link:
https://www.unpac.me/results/10af3ed8-59e7-4442-946c-9d5f744248eb/
SH256 hash:
498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0
MD5 hash:
bc0b06402e7d1c9137ddc147b44bb3f1
SHA1 hash:
98e045b8c32bf6df991dfaddf4f03298acab0b08
Link:
https://www.unpac.me/results/10af3ed8-59e7-4442-946c-9d5f744248eb/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/498657673492/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/498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0

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
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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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
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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 498657673492910709e321035e4fabe392e1a297e2ae2653fcb5464279d47de0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2532840/
Cape
Cape
https://www.capesandbox.com/analysis/361303/

Comments


Avatar
zbet commented on 2023-02-07 09:19:40 UTC

url : hxxp://169.239.130.210/monday.exe