MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
SHA3-384 hash: 257e91ffa61e126b5d8e9cf3d6ad9f891d4fc870d2b6c24f6ddeecc6a61a363162f344d61b966faca703b9528672e57a
SHA1 hash: f5a43b54c6e1a6a780a2d7e918dfcc33847f500e
MD5 hash: 7b18b1e2cab64bd4f3af5c64307bfd35
humanhash: april-asparagus-johnny-floor
File name:7b18b1e2cab64bd4f3af5c64307bfd35.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'096'704 bytes
First seen:2021-03-01 07:43:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:0j04gPGOGiKCckyrYjQbmbPYkDl5a3AE8Y:0JMPGiK2yLbKWAE1
Threatray 3'954 similar samples on MalwareBazaar
TLSH 8C359F1223DC8FA9F13E9376932D561587F4B803E739DA4D7EA041DE2192F818B62B53
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BC748484HC9484847DCD.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-01 06:43:17 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/3f59d01e-9530-49a5-b5e8-3dc02c74c137

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/120158/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.7930.6039.18518.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621839
Signature
.NET source code contains potential unpacker
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359911 Sample: UnJgtwBp72.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 31 www.levelxpr.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 8 other signatures 2->45 11 UnJgtwBp72.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\UnJgtwBp72.exe.log, ASCII 11->29 dropped 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 UnJgtwBp72.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 cscremodeling.com 216.239.32.21, 49734, 80 GOOGLEUS United States 18->33 35 inspirefreedomtoday.com 184.168.131.241, 49746, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 07:44:12 UTC
AV detection:
17 of 48 (35.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6eyfhgznemscizcjvo4z6wqo76zbj7xomknqslkivrr2zikofota._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15c7c3c6fdf2a32c77d61b021fec1c2d8624a621a906efbf22a5132e1daf14c0
Formbook
38acc90cd6d33b61b99cca8cf06781e1bd2ab8ffebc3a33e036eca36037d413b
Formbook
4d7785dcd99beca572613788bc8b0713ddda6da0c8df321b1402bc38e6880f88
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
Formbook
720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
78f83f782f8d2077dd50d65badb4ed36ec24c029241287f76560e60733b61c29
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
Formbook
e836c2aecd7a2ae83a5bb088780d9e7b8cd6c3a7ff6b9c3f1261bfd1f53dbef7
Formbook
+ 3'944 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210301-xzs94ppyvx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.evolvekitchendesign.com/ffw/
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/cc1730c5-7215-408c-9f7a-0b9ee3bd8c3e/
SH256 hash:
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
MD5 hash:
7b18b1e2cab64bd4f3af5c64307bfd35
SHA1 hash:
f5a43b54c6e1a6a780a2d7e918dfcc33847f500e
Link:
https://www.unpac.me/results/cc1730c5-7215-408c-9f7a-0b9ee3bd8c3e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1039296/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/120158/
  
URLhaus
https://urlhaus.abuse.ch/url/1039469/

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