MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
SHA3-384 hash: 1fe533ed7075ae98b4ec26f08c94f76a4e7cb45a4cd83e01ba0a2a53b677da6ebf4d811a4d4afae9eef2b8d937efeb9f
SHA1 hash: 9fb2ca5d4998c28ed9637e7f8c62e001a4a262d1
MD5 hash: 43185ba5682dbd5b9a4aeefd052f2ba7
humanhash: hydrogen-west-chicken-aspen
File name:villarzx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:495'104 bytes
First seen:2021-10-21 11:52:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:fYG1f456Uqd2GhNAqwisAnIikwTc0gIlokyp3I5a5Kx81wHadqMWp/19SORt:QhAUi2iNA1AIikNqp15anwHadZWTL
TLSH T177B4D06A3558C9A4D3392A33BCC7934D2BE5BCE1A903C64E79D7F21918B13620D345BB
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199079/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive obfuscated packed
Link:
https://www.filescan.io/uploads/6171549f9a5a1e91c5cb5149/reports/94d28a1d-409e-482c-984d-188f532f1b3f/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8a31562-0c56-4fc8-86ff-45e8554a7f36
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874531
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506959 Sample: villarzx.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 10 villarzx.exe 3 2->10         started        process3 signatures4 55 Tries to detect virtualization through RDTSC time measurements 10->55 13 villarzx.exe 10->13         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process7 dnsIp8 29 trade-sniper.com 54.38.201.86, 49825, 80 OVHFR France 16->29 31 www.nni8.xyz 192.64.119.254, 80 NAMECHEAP-NETUS United States 16->31 33 3 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 20 help.exe 16->20         started        23 autofmt.exe 16->23         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-10-21 11:53:04 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3xhof6rw6vumabayd46zdnfxl3vzgwri5g22huzndqh5pc7e7jya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
721c03c3cc73dddfcf27e473fc9d1962dd59b3cc7f7b70cdc17d2d6a049aed8e
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
a68cb3bf1d9d41e29fcf2e4391e827591e58783cea5a13fe95403fb6b3429b5d
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Link:
https://tria.ge/reports/211021-n2al1sacb6/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
5f345f7c4e00a361e326b4678f1812965e8a14957b065eb78d6da684aa0fe0d3
MD5 hash:
4d6d5351b751dec76d80c643bb7d6846
SHA1 hash:
a4695f4529fe8b467ce8711dd5d55fd27f4ddbc3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/571a3f01-afee-49fc-9c1b-e471cbf31c74/
Parent samples :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 hash:
15c3c83350b5c5997e36f1114c59af172e0285fdc9e953cf12c88d619dbc5509
MD5 hash:
e09cccb0d1fe1e1db22696b68e589146
SHA1 hash:
f24f7fa1de3f6b0c6e3ba8aa20301d00067b9fc6
Link:
https://www.unpac.me/results/571a3f01-afee-49fc-9c1b-e471cbf31c74/
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
Link:
https://www.unpac.me/results/571a3f01-afee-49fc-9c1b-e471cbf31c74/
SH256 hash:
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
MD5 hash:
43185ba5682dbd5b9a4aeefd052f2ba7
SHA1 hash:
9fb2ca5d4998c28ed9637e7f8c62e001a4a262d1
Link:
https://www.unpac.me/results/571a3f01-afee-49fc-9c1b-e471cbf31c74/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/199079/
  
URLhaus
https://urlhaus.abuse.ch/url/1705973/
  
Delivery method
Distributed via web download

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