MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e
SHA3-384 hash: 22b5b6e0888fbc6e5afba61606933fe821e1664ec15736cd95048889603468c4f30edb8181fe7a87d54c21bfa97b727e
SHA1 hash: ba7ac807a73ebbb93b1953533570296fc7e5bc31
MD5 hash: dd61e5e3f77da364cc0c52fe21f83980
humanhash: steak-network-social-wolfram
File name:dd61e5e3f77da364cc0c52fe21f83980.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:437'437 bytes
First seen:2021-12-16 08:58:19 UTC
Last seen:2021-12-16 11:18:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiGUghTzI/fQAekpqKHUhY66b2FNIe+wKwgm8vAs9qQ1ehUCi/m+49X5oFhj2:KIQpaUhYCzIpwKa8Ysoiu6e+4BOFJ2
Threatray 12'572 similar samples on MalwareBazaar
TLSH T1AA942315E1F98AE3C99722735AB7FEBEB3BC515484755C4B6B810F77A072748C340A21
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 :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/214532/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.7225.8540.20645.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61baffd86daa353fa3b4da89/reports/f4c20961-3bc5-4a28-9985-684fc15ac584/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/531e47d5-ce5f-4fd5-9859-3ebea24d220b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/908362
Signature
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 540840 Sample: ToOoNB9kOy.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 32 www.nethunsleather.com 2->32 34 www.jingguanfm.com 2->34 36 nethunsleather.com 2->36 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 5 other signatures 2->52 11 ToOoNB9kOy.exe 17 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\sblodvz.dll, PE32 11->30 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 ToOoNB9kOy.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.mes-dents-blanches.com 145.239.208.100, 80 OVHFR France 18->38 40 shops.myshopify.com 23.227.38.74, 49821, 80 CLOUDFLARENETUS Canada 18->40 42 7 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 22 cscript.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.mes-dents-blanches.com 22->44 56 Self deletion via cmd delete 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e/
Threat name:
Win32.Trojan.Risis
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Status:
Malicious
First seen:
2021-12-15 19:28:37 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
Formbook
3df75e26a0dd77355106186b5a94825e812eaa96d8a60308fbe10a8ebf56ceb7
Formbook
5869ff09468b1aafa73c0a8fa15c953995495aa7144114003fdc4743860639ad
Formbook
727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5
Formbook
78bf20a97887ceb674ba6bbda37884a412be37dd320416d2222142c12f7de517
Formbook
a5a0ba62139ec5bfce38972515fe03f1e8d7aafeae6a1a8a555e3b09abe766df
Formbook
b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685
Formbook
b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21
Formbook
b70c26b8d08a6a17aed3e8372c24281f0efbd185592143d48bfbb38281688990
Formbook
bada1121774aa2f95cba11aee3fb48c38c1a30f6995e9540eacfdaf400dbbd07
Formbook
+ 12'562 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/211216-kxqkwscdcn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e
MD5 hash:
dd61e5e3f77da364cc0c52fe21f83980
SHA1 hash:
ba7ac807a73ebbb93b1953533570296fc7e5bc31
Link:
https://www.unpac.me/results/c60598f6-6994-4f68-9656-8f78aaa2b8b9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e

File information

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

Web download

Formbook

Executable exe cf3b369b7d0b7a81fde0af4a6415b4a43dd726e4750aba216ee21ffc0079f11e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1883873/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214532/

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