MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4559a40492fb9b61564a25bf729c7c1fba24e88f6df7228d78e466ca350101d2. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 4559a40492fb9b61564a25bf729c7c1fba24e88f6df7228d78e466ca350101d2
SHA3-384 hash: d0fbfd12e74e723ae73fd11e9bdb984f797a11fc1fbfc9d3bfc2189cb0a87ca8f20f55a74e3701d341126032938ee359
SHA1 hash: 145dc56e50c61999012b2606a329cbc2beda5304
MD5 hash: c445c14c5b47a20783f7c899d8b230d9
humanhash: dakota-asparagus-social-sweet
File name:تاییدیه پرداخت.exe
Download: download sample
Signature Formbook
File size:943'616 bytes
First seen:2022-03-14 12:10:46 UTC
Last seen:2022-03-14 13:50:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:GmxzQzTtjtlpE/I8L1ErknALoGbKcmKkQ61:5QzTt6/LLqDVGcDX
TLSH T11415BEE0BF58867EDD10663AC0A544B01EB52E9E3811FF1EA68D21DD0937FCF459262E
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 588579 Sample: #U062a#U0627#U06cc#U06cc#U0... Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 31 www.fame-home.com 2->31 33 shops.myshopify.com 2->33 35 fame-living.myshopify.com 2->35 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 #U062a#U0627#U06cc#U06cc#U062f#U06cc#U0647 #U067e#U0631#U062f#U0627#U062e#U062a.exe 3 2->11         started        signatures3 process4 file5 29 #U062a#U0627#U06cc...U062e#U062a.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 #U062a#U0627#U06cc#U06cc#U062f#U06cc#U0647 #U067e#U0631#U062f#U0627#U062e#U062a.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 37 www.mrkmj.com 188.114.97.7, 49828, 80 CLOUDFLARENETUS European Union 18->37 39 www.misight1day.lat 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmd.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       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-12 09:06:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 27 (81.48%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
.NET Reactor proctector
Unpacked files
SH256 hash:
c6b33a7a987a60a1281b14bb81798f7b91fcf177496f1af464a2d46ca78e114e
MD5 hash:
8c12a6b21b38e8983522b0029972a62c
SHA1 hash:
75832566457739be47524b8ec15aa4d7cbd312b5
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
1cfedbcab4200a5ffd6599d519d1f839d009604a86e350e0ed65a9a733b52f26
MD5 hash:
7b5624f7d17bc70e582356fff418a182
SHA1 hash:
cd6a12cb6be69bd7ba072489bc63e763ae9eaca5
SH256 hash:
48d70e5e47bc3ca91ad2b4bf2fd9a8a238aef84d81d03e77ea560a76d6e91443
MD5 hash:
3edc355a2a5777a99c2d56c8efbda993
SHA1 hash:
842a750ca2e1f24c9fd39fc0df9562acb297c1fc
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
SH256 hash:
4559a40492fb9b61564a25bf729c7c1fba24e88f6df7228d78e466ca350101d2
MD5 hash:
c445c14c5b47a20783f7c899d8b230d9
SHA1 hash:
145dc56e50c61999012b2606a329cbc2beda5304
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 4559a40492fb9b61564a25bf729c7c1fba24e88f6df7228d78e466ca350101d2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments