MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca. 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 3 File information Comments
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SHA256 hash: fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca
SHA3-384 hash: bdf391501b6dba9afbd5f882a7af39f105a467a62eae09ed3e1a802628aba9b4c2c84a36dd470eaab60a48c94c401ce0
SHA1 hash: a496236c6d15ea25bca7afc6b0656fc1d1a78779
MD5 hash: f86865bc1b7e91e8e07d2a886682a772
humanhash: green-colorado-stream-high
File name:f86865bc1b7e91e8e07d2a886682a772.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:61'440 bytes
First seen:2022-06-21 14:59:37 UTC
Last seen:2022-06-21 15:36:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 1536:4Av7O3gav3EEoemaaXaaaaaaaaaaaaaaaaaae:PaJ7
TLSH T1325387E02EAADF6AFD694BB4853171CC13727C5634E1D30ADDC230DA1A67B4846A0B5F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4c4c4c4c4c4c4c4 (1 x Formbook, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282021/
Detection(s):
SecuriteInfo.com.ArtemisF86865BC1B7E.3679.18457.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive packed
Link:
https://www.filescan.io/uploads/62b1dd39f4dd1ffb77a8d2bd/reports/6ed0299d-122d-4fe1-92fb-4cca9ead5821/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd206251-2501-4346-a05b-8423450f9f3f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017255
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
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 dropped file
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
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649750 Sample: Ze3uEgxQZ3.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 56 www.videogameheavenau.com 2->56 58 www.okayar.net 2->58 60 9 other IPs or domains 2->60 82 Snort IDS alert for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 6 other signatures 2->88 10 Ze3uEgxQZ3.exe 2 2->10         started        13 Ze3uEgxQZ3.exe 15 4 2->13         started        signatures3 process4 dnsIp5 76 www.glamskaters.com 10->76 15 Ze3uEgxQZ3.exe 10->15         started        78 www.glamskaters.com 13->78 80 glamskaters.com 72.52.229.133, 443, 49740, 49747 LIQUIDWEBUS United States 13->80 18 cmd.exe 1 13->18         started        20 cmd.exe 3 13->20         started        process6 file7 106 Modifies the context of a thread in another process (thread injection) 15->106 108 Maps a DLL or memory area into another process 15->108 110 Sample uses process hollowing technique 15->110 112 Queues an APC in another process (thread injection) 15->112 23 explorer.exe 15->23 injected 114 Suspicious powershell command line found 18->114 27 powershell.exe 16 18->27         started        29 wscript.exe 18->29         started        31 conhost.exe 18->31         started        33 timeout.exe 1 18->33         started        52 C:\Users\user\AppData\...\Ze3uEgxQZ3.exe, PE32 20->52 dropped 54 C:\Users\...\Ze3uEgxQZ3.exe:Zone.Identifier, ASCII 20->54 dropped 116 Drops PE files to the startup folder 20->116 35 conhost.exe 20->35         started        signatures8 process9 dnsIp10 68 www.hx2007.com 154.222.66.60, 49840, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 23->68 70 www.tematemazo.com 198.54.117.244, 49842, 80 NAMECHEAP-NETUS United States 23->70 74 19 other IPs or domains 23->74 96 System process connects to network (likely due to code injection or exploit) 23->96 98 Performs DNS queries to domains with low reputation 23->98 37 cmmon32.exe 23->37         started        41 cmstp.exe 23->41         started        72 192.168.2.1 unknown unknown 27->72 43 Ze3uEgxQZ3.exe 2 27->43         started        signatures11 process12 dnsIp13 62 www.bobgphotos.com 37->62 90 Modifies the context of a thread in another process (thread injection) 37->90 92 Maps a DLL or memory area into another process 37->92 94 Tries to detect virtualization through RDTSC time measurements 37->94 64 www.glamskaters.com 43->64 66 glamskaters.com 43->66 45 Ze3uEgxQZ3.exe 43->45         started        48 Ze3uEgxQZ3.exe 43->48         started        50 Ze3uEgxQZ3.exe 43->50         started        signatures14 process15 signatures16 100 Modifies the context of a thread in another process (thread injection) 45->100 102 Maps a DLL or memory area into another process 45->102 104 Sample uses process hollowing technique 45->104
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-06-21 13:22:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7m3sb5kvutzezo5tjea5ouguhhm3k3ltg3tnnimh3xs2oi74kdfa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:uem3 loader rat
Link:
https://tria.ge/reports/220621-sdapbsghe8/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Xloader Payload
Xloader
Unpacked files
SH256 hash:
fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca
MD5 hash:
f86865bc1b7e91e8e07d2a886682a772
SHA1 hash:
a496236c6d15ea25bca7afc6b0656fc1d1a78779
Link:
https://www.unpac.me/results/35640d3f-7ac8-414e-bbef-f01f4b74b950/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb3720f555a4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe fb3720f555a4f24cbbb34901d750d439d9b56d7336e6d6a187dde5a723fc50ca

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/282021/
  
URLhaus
https://urlhaus.abuse.ch/url/2246360/
  
Delivery method
Distributed via web download

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