MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0
SHA3-384 hash: 03b01ec77ad10aff5751c799c33f89852bb777780a832f96a42cc0448e6383ec209b98bcb67d7f242fa4ca07882fbe78
SHA1 hash: 3b3019d12a6b656b2043d6fc12f52e321fd72e92
MD5 hash: ea1d0f1a98499d83fd8a72be851ecc75
humanhash: salami-july-potato-finch
File name:FATURA_S.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:1'411'584 bytes
First seen:2022-04-13 12:10:48 UTC
Last seen:2022-04-13 12:44:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Z/qf5OEhGkEHIxZEfzmSKeJL6nFyzG2S88CNmYBt9WZ9dJ/E0rrrrrOXZ+V:Z/8vgVOEqheEFuG2lRK+NXZ+
TLSH T18965C1A356EC7EC9D678A63A333797D8D31EED051711EA0E2AC5299E82FD51331023E1
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
357
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FATURA_S.EXE
Verdict:
No threats detected
Analysis date:
2022-04-13 12:25:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2a1a8c56-7f1d-4eb1-bd45-d410dd52e795

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263427/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.EOQ.genEldorado.15002.13770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6256bde1482f2f41caa6a8f9/reports/aa9aec94-8277-4f1a-b0bd-b82166a80063/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/da555557-2846-47cb-a50d-7873d18882de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976156
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 608645 Sample: FATURA_S.EXE Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 61 www.jochenhendrich.net 2->61 63 80.175.83.99.in-addr.arpa 2->63 65 3 other IPs or domains 2->65 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 13 other signatures 2->83 11 FATURA_S.EXE 1 2->11         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\FATURA_S.EXE.log, ASCII 11->53 dropped 14 resmon.exe 11->14         started        17 SystemPropertiesRemote.exe 11->17         started        process6 signatures7 97 Modifies the context of a thread in another process (thread injection) 14->97 99 Maps a DLL or memory area into another process 14->99 101 Sample uses process hollowing technique 14->101 103 2 other signatures 14->103 19 explorer.exe 3 6 14->19 injected process8 dnsIp9 67 www.pandrwatch.store 185.104.45.76, 49755, 80 UKRAINE-ASUA Ukraine 19->67 69 www.ovth-cksu.com 202.58.21.27, 49798, 80 NCIC-TWNewCenturyInfoCommTechCoLtdTW Hong Kong 19->69 71 25 other IPs or domains 19->71 85 System process connects to network (likely due to code injection or exploit) 19->85 87 Benign windows process drops PE files 19->87 23 rundll32.exe 1 12 19->23         started        26 MpCmdRun.exe 1 19->26         started        28 b6ql0fxyl_rw.exe 1 19->28         started        30 b6ql0fxyl_rw.exe 1 19->30         started        signatures10 process11 signatures12 89 Tries to steal Mail credentials (via file / registry access) 23->89 91 Tries to harvest and steal browser information (history, passwords, etc) 23->91 93 Modifies the context of a thread in another process (thread injection) 23->93 95 2 other signatures 23->95 32 cmd.exe 2 23->32         started        35 cmd.exe 1 23->35         started        37 perfmon.exe 1 26->37         started        39 conhost.exe 26->39         started        41 perfmon.exe 26->41         started        43 perfmon.exe 28->43         started        process13 signatures14 73 Tries to harvest and steal browser information (history, passwords, etc) 32->73 45 conhost.exe 32->45         started        47 conhost.exe 35->47         started        49 perfmon.exe 2 37->49         started        process15 dnsIp16 55 80.175.83.99.in-addr.arpa 49->55 57 2.253.32.1.in-addr.arpa 49->57 59 2 other IPs or domains 49->59 75 Query firmware table information (likely to detect VMs) 49->75 signatures17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 10:20:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=62tm55r74xz75ifaipblsohgrnswqmndhceafh35sis5esaz3tia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:i9ng loader rat
Link:
https://tria.ge/reports/220413-pclhnacaa4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0
MD5 hash:
ea1d0f1a98499d83fd8a72be851ecc75
SHA1 hash:
3b3019d12a6b656b2043d6fc12f52e321fd72e92
Link:
https://www.unpac.me/results/a02ae418-981b-41b2-a786-194987f140bb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f6a6cef63fe5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 f6a6cef63fe5f3fea0a043c2b938e68b656831a33888029f7d9225d24819dcd0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263427/

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