MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f840b70fdadb374f3b3e6829a5d0ffd76eafb4da162b1be0874fa2d08172dde8. 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: f840b70fdadb374f3b3e6829a5d0ffd76eafb4da162b1be0874fa2d08172dde8
SHA3-384 hash: 4f6b3be01ead7bfb7a9be19911b07b562c4706838d568a42fd4cd16825d181c140c929dd6e208ecf7a982f68e2249c48
SHA1 hash: 7a775814e8da28814d135c3225474b214bac9bd5
MD5 hash: 856532151e634510511b4a686ecc3e85
humanhash: lima-bluebird-jersey-london
File name:Purchase Order..exe
Download: download sample
Signature Formbook
File size:780'288 bytes
First seen:2022-02-22 01:13:30 UTC
Last seen:2022-03-01 11:56:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Qrby0chFFQWNfdppobkGZWk75kkNyD2NPHxFZvbja5OajDLifm:QrbHchFJpHGYtkNy2NfhvPa5OYXif
Threatray 13'428 similar samples on MalwareBazaar
TLSH T12DF4DFDC38BB81F8E3768ABE8DDCE5B0CB78E6262105F4B979C91B414740B449CD2679
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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
.NET source code contains very large strings
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
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 576025 Sample: Purchase Order..exe Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 31 www.theheroinejourney.net 2->31 33 theheroinejourney.net 2->33 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 11 other signatures 2->47 11 Purchase Order..exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase Order..exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 Purchase Order..exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 cgloansllc.com 198.54.116.236, 49817, 80 NAMECHEAP-NETUS United States 18->35 37 www.anandiaper.xyz 188.114.96.7, 49816, 80 CLOUDFLARENETUS European Union 18->37 39 6 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 53 Uses netsh to modify the Windows network and firewall settings 18->53 22 netsh.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-22 01:14:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b8eu loader rat
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
5c6df2656e6a04e60889e4f96c97082b46c2a2b51d8eb60beccc32906f0fe68f
MD5 hash:
08e817ecdefb09926c27cc173a6b9f0a
SHA1 hash:
8079283cc168937f04c52877fc1b6d563916de1e
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
SH256 hash:
74395f03d0e271791d15f15314b3533de6e50bcc396a34769bb49f68fd6fad6f
MD5 hash:
155eb796d29ae35fbd44465170c3cfa0
SHA1 hash:
4097a67644ad428a10c9b86c9011499229b145cb
SH256 hash:
f840b70fdadb374f3b3e6829a5d0ffd76eafb4da162b1be0874fa2d08172dde8
MD5 hash:
856532151e634510511b4a686ecc3e85
SHA1 hash:
7a775814e8da28814d135c3225474b214bac9bd5
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.

Comments