MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97. 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 File information Comments
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SHA256 hash: 4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97
SHA3-384 hash: f361e97e41808057b67dcf7fe2aafd5bda469287508b3301d7fb08e2e61da75a54bd334dc618b3dc5e5bb24508d3440a
SHA1 hash: 46ccd4320e640ac117d457a59337c973a46bb9dd
MD5 hash: 4e6d84b5af504cf78c8099a60033464b
humanhash: johnny-don-march-nebraska
File name:4e6d84b5af504cf78c8099a60033464b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:287'943 bytes
First seen:2021-11-02 07:48:42 UTC
Last seen:2021-11-02 10:57:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/cJ2INyVNGctKMZGSR4J8hLW2LnricMXB5whtyJrhE:CeJ2lfbKAz3iVXYhkJry
TLSH T10254221662F100E3C14795B47E6EC794977FE3544025A80F9BF16EBB3E602C8E9A9383
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4e6d84b5af504cf78c8099a60033464b.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-02 09:42:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0502ed0c-7ff1-4012-88c9-4ee1088bcc51

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/201333/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.33745.19932.22319.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6180ed71bf51178dbe48053a/reports/c9d8dae0-5b98-420d-a2e8-43872e9fca4a/overview
Result
Verdict:
MALICIOUS
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/721b113e-a5f5-404e-9109-6530f362cb0b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881054
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 513490 Sample: nf15RFi8vl.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 31 www.daybydayneeds.com 2->31 33 www.verifycfl.com 2->33 35 shops.myshopify.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 11 nf15RFi8vl.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\lhnpthofgzs.dll, PE32 11->29 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 nf15RFi8vl.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected process9 dnsIp10 37 torohosting.xyz 162.244.94.57, 49769, 80 PONYNETUS United States 18->37 39 www.ccjcpx.com 154.208.173.117, 49794, 80 CNSERVERSUS Seychelles 18->39 41 16 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 55 Uses netsh to modify the Windows network and firewall settings 18->55 22 netsh.exe 18->22         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97/
Threat name:
Win32.Trojan.InjectorX
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Status:
Malicious
First seen:
2021-11-02 07:49:06 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:o2go loader rat
Link:
https://tria.ge/reports/211102-jnr7pacac9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.vezmnmnr.xyz/o2go/
Unpacked files
SH256 hash:
4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97
MD5 hash:
4e6d84b5af504cf78c8099a60033464b
SHA1 hash:
46ccd4320e640ac117d457a59337c973a46bb9dd
Link:
https://www.unpac.me/results/8a7536e0-003f-4000-83f9-fae389e22059/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4821bcd8c5a1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97

File information

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

Web download

Formbook

Executable exe 4821bcd8c5a1fefc28edf3a349e6aca22741054c27045ed12838d721e68d8d97

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1722925/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/201333/

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