MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8
SHA3-384 hash: 304f076271db73ea7d004c9162271bdbd40c08e0cd53e7ce7f9be5dd957eaa711dba31b0943a24f66b83be4e7b89f857
SHA1 hash: 6d08847ad1ebae8ba89258f63eb5b51dc0806756
MD5 hash: 80562d1d1817ea8f1cc621e45a851d8c
humanhash: hamper-mexico-mountain-double
File name:Účtenka.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:371'776 bytes
First seen:2021-10-29 09:54:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:VBlL/kE286EZdDqb3l2HI72oupIraJWaytTUmfYJNKcd/7Vjp40BZ+qP8NtPwl:D6E28648lH7f7qytTjfYJNKcdV5RkNta
Threatray 11'069 similar samples on MalwareBazaar
TLSH T1D984B0E1F77044B6E8365378B8B368262123A939EB70144E56DDF72A1E7338305E7987
File icon (PE):PE icon
dhash icon c8ccccc0c0d0f074 (9 x Formbook, 2 x BitRAT, 1 x NanoCore)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Účtenka.exe
Verdict:
No threats detected
Analysis date:
2021-10-29 15:09:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1b9521e2-ce2a-45c3-b67f-fbe46db7233f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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/04a86250-8300-4352-81f9-d94f717aff8c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879206
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 511640 Sample: #U00da#U010dtenka.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 31 www.idoocam.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 #U00da#U010dtenka.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\bivpybto.dll, PE32 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 #U00da#U010dtenka.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.blacklace.club 18->33 35 cartwheeldesigns.com 74.220.219.13, 49823, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 13 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8/
Threat name:
Win32.Backdoor.Zapchast
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 19:21:53 UTC
AV detection:
19 of 44 (43.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kftadn5dfc6o5emorrjoi33rwokdobcurg62v6ibg3e7rgizppea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12fa6c4f9dc345eca587fe606caf9a5eccfcdc5456b2617ec17b1b1f1e06d24a
Formbook
2dc7525f9ee6e09a25f840b457bf5b0ba228c4697e1f3d4b81bd2964d2eafc61
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
b207cf6e0fe84692f4311e2768d913bae8005da5f7ed4cf1cee2459a6f62faa9
Formbook
e58d5730458adae5d62d1438958b3ee887b36f94160f5452cd81665ab4913d7a
Formbook
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
Formbook
+ 11'059 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211029-lxskxsdag2/
Behaviour
Enumerates physical storage devices
Unpacked files
SH256 hash:
516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8
MD5 hash:
80562d1d1817ea8f1cc621e45a851d8c
SHA1 hash:
6d08847ad1ebae8ba89258f63eb5b51dc0806756
Link:
https://www.unpac.me/results/f58c54ad-fe61-44e1-bc43-b366e4d0cdbd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

Executable exe 516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments