MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebc008a7b326afef547049414a909b2120e6e09b560c67e4b79d173195180691. 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 3 File information Comments

SHA256 hash: ebc008a7b326afef547049414a909b2120e6e09b560c67e4b79d173195180691
SHA3-384 hash: 17f6a2a831e3bdeb7273bfa4b954b5c7e3bbc4c4025175a6b7e83c4d6547a13fe6a5fd22a1d0bbd29f7cb3749e4f55a8
SHA1 hash: af0411e363a5c577ecec415cf1444229b5146bf8
MD5 hash: 839ee70e8218327d4e3be486e1d7bb18
humanhash: fruit-four-indigo-black
File name:Purchase_Order_#202201.exe
Download: download sample
Signature Formbook
File size:974'336 bytes
First seen:2021-11-15 06:30:21 UTC
Last seen:2021-11-15 13:31:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:tRWzQhIRtYUcI28kSguyldTFH4eIqvCcRZ3UJfipWbnlGi7fvYdIm5Pslgrdm4Vq:Gc8kSguITFH4envCwEJaQDlF7XMPs
Threatray 11'332 similar samples on MalwareBazaar
TLSH T106259C4062909A2AD89E1378D075C434C3B1BD296666E72F1FD0BCAB3EB73E2CC15567
File icon (PE):PE icon
dhash icon d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
5
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
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)
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: 522136 Sample: Purchase_Order_#202201.exe Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 35 www.tresochoinc.com 2->35 37 www.luxocr.com 2->37 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 7 other signatures 2->55 10 Purchase_Order_#202201.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\...\Purchase_Order_#202201.exe.log, ASCII 10->27 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 Purchase_Order_#202201.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Queues an APC in another process (thread injection) 14->65 17 msiexec.exe 12 14->17         started        21 explorer.exe 14->21 injected process9 dnsIp10 39 Performs DNS queries to domains with low reputation 17->39 41 Self deletion via cmd delete 17->41 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 23 cmd.exe 1 17->23         started        29 navasoft.net 15.197.142.173, 49809, 80 TANDEMUS United States 21->29 31 www.outcheatv.xyz 38.145.193.190, 49805, 49806, 80 ENZUINC-US United States 21->31 33 5 other IPs or domains 21->33 47 System process connects to network (likely due to code injection or exploit) 21->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-15 06:31:08 UTC
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bus9 loader rat
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.navasoft.net/bus9/
Unpacked files
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
8a48a79242a719febc7ed9841266812cb565083f7ed1bf13af5d22729cbdbcb8
MD5 hash:
f1ab217569a76116abe660a1eaf91722
SHA1 hash:
833069f6917113b0981ef7498cfe48e946f948b1
SH256 hash:
ebc008a7b326afef547049414a909b2120e6e09b560c67e4b79d173195180691
MD5 hash:
839ee70e8218327d4e3be486e1d7bb18
SHA1 hash:
af0411e363a5c577ecec415cf1444229b5146bf8
Malware family:
XLoader
Verdict:
Malicious
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: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 ebc008a7b326afef547049414a909b2120e6e09b560c67e4b79d173195180691

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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