MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a. 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 2 File information Comments

SHA256 hash: 545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
SHA3-384 hash: df43087eb3095d595ffd506b3729457c1ae068a048a4b36b6d661b05c79da1a4cb7682fe2db02292d475d049eb26cc9e
SHA1 hash: 3b44776fc16c761fbaeee9c68054fbded0892063
MD5 hash: aae34af26f1dff5204c334d25ca34a92
humanhash: maryland-tango-chicken-freddie
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:850'432 bytes
First seen:2022-03-07 07:33:49 UTC
Last seen:2022-03-07 10:06:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HZEsISS02rJ6Jf7qh/UOFWkqK3aEwlqnqyFQ0oxfqRDLH/rI4644+IAWxs6nWgNP:5EJA2rJ6Jf7qhs/fK9wlqxQ4/rP4+
Threatray 14'593 similar samples on MalwareBazaar
TLSH T1B305DF987650B1EFC817C976DD982D60EA60B46B930FD303A05726EDAD4E69BCF110F2
File icon (PE):PE icon
dhash icon 41b444d6d696d629 (15 x AgentTesla, 6 x Formbook, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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
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: 584069 Sample: Purchase_Order.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 33 www.bruztrending.xyz 2->33 35 store-images.s-microsoft.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 8 other signatures 2->49 11 Purchase_Order.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Purchase_Order.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 Purchase_Order.exe 11->15         started        18 Purchase_Order.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 37 junkremovalhelp.xyz 64.190.62.22, 49777, 80 NBS11696US United States 20->37 39 www.ragu.pro 20->39 41 6 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 wlanext.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-07 07:34:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 27 (74.07%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ct2t loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
53aba73e5b84e9181f6b8bc7ae3a271137fdbd3fcec7075f306ef30b1a3ec758
MD5 hash:
153316387f6d7ef9d76538508ca3cf10
SHA1 hash:
d2f9761fed14ee9cdeb34d9ee1c30efb32deb7c6
SH256 hash:
634c7a54deeb0da2703b9fc634469088986983c13a4a5e18cd068c7ad42c598b
MD5 hash:
b02fd0a9725cd7bf562a8a61274705aa
SHA1 hash:
c7075471c10856c94141567c022c27757ec00f9d
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
MD5 hash:
aae34af26f1dff5204c334d25ca34a92
SHA1 hash:
3b44776fc16c761fbaeee9c68054fbded0892063
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 545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments