MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4aed6a18f9def319cf3f848c48ed92d19c2b0c3fbacbe3d4a59df7fed6c239d. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: d4aed6a18f9def319cf3f848c48ed92d19c2b0c3fbacbe3d4a59df7fed6c239d
SHA3-384 hash: 784f19950874bb27eb2066a76f853a9e778843979b206adc8659dd91409f7e93ebe9e7164478822ae02102d024f93e6b
SHA1 hash: ee0f9c1adc8f7ea19b2edcede7b89689cbbed65c
MD5 hash: 122a2281166f13fa8fdb4ce60315721d
humanhash: september-idaho-london-mirror
File name:919780-920390.exe
Download: download sample
Signature Formbook
File size:865'280 bytes
First seen:2021-06-09 07:51:27 UTC
Last seen:2021-06-09 08:44:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:IDCkYNAGdc6elMV4095kDvvVbd9kLNzyGFUSs4x6m1q5xIEjR1d2mnThS:IdguUgDvVJ9kLbUL41QWEjXvnV
Threatray 5'480 similar samples on MalwareBazaar
TLSH A505D02962404A20F07E4737C8944454D3F9FC07D713C9AEEDE578CD6EA2BEAE12A647
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 431781 Sample: 919780-920390.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 100 33 www.nakahara-shoukai.com 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 5 other signatures 2->47 11 919780-920390.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\919780-920390.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 919780-920390.exe 11->15         started        18 919780-920390.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.defendertools.com 64.190.62.111, 49730, 80 NBS11696US United States 20->35 37 dualstack.sni.bigcartel.map.fastly.net 151.101.1.211, 49728, 80 FASTLYUS United States 20->37 39 17 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-06-09 03:41:23 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.nakahara-shoukai.com/i3vu/
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
SH256 hash:
d4aed6a18f9def319cf3f848c48ed92d19c2b0c3fbacbe3d4a59df7fed6c239d
MD5 hash:
122a2281166f13fa8fdb4ce60315721d
SHA1 hash:
ee0f9c1adc8f7ea19b2edcede7b89689cbbed65c
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