MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615
SHA3-384 hash: 90e52c01cade5f00cf943d371f3676ffeb97e88c0737680f817193a2285251ae576b25e61362dfe85f979781b7d92e03
SHA1 hash: 0dc5db4881c7561c9949d489a6f3fb2d85565f9f
MD5 hash: ddba7579fcf78db9f5f2e28ab81055df
humanhash: eighteen-aspen-cold-bulldog
File name:ddba7579fcf78db9f5f2e28ab81055df
Download: download sample
Signature Formbook
Create hunting rule
File size:992'256 bytes
First seen:2022-03-01 19:14:33 UTC
Last seen:2022-03-01 20:39:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:kWwl86ME0BBY5TKkic36czi1x8dxCtl3GGvQ8A:rwu6M73YkkR7dxE3Nv
Threatray 14'499 similar samples on MalwareBazaar
TLSH T147258E5835E520BDD437CB72CA94EFE0DB29B162D24A907650030E599A0DBBDCE05EFE
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/245982/
Detection(s):
SecuriteInfo.com.Variant.Lazy.143218.13825.7581.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/621e70d20cd58dbd925ce858/reports/228380e9-781b-4cb4-b3f7-84be892ba924/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3297f36-37fe-4395-8bef-6a545166374a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/948539
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 domain / URL
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
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 dnsIp2 2 Behavior Graph ID: 581024 Sample: YnfMa5fjEP Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 36 store-images.s-microsoft.com 2->36 38 prda.aadg.msidentity.com 2->38 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 YnfMa5fjEP.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\YnfMa5fjEP.exe.log, ASCII 11->34 dropped 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 15 YnfMa5fjEP.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 15->18 injected process9 process10 20 rundll32.exe 18->20         started        signatures11 50 Self deletion via cmd delete 20->50 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Tries to detect virtualization through RDTSC time measurements 20->56 23 explorer.exe 1 147 20->23         started        26 cmd.exe 1 20->26         started        28 explorer.exe 1 155 20->28         started        30 explorer.exe 20->30         started        process12 dnsIp13 40 192.168.2.1 unknown unknown 23->40 32 conhost.exe 26->32         started        process14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-01 19:15:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 27 (92.59%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0adfc99fefcb09f082e85f53025764a8ea4b0f35a4140540022be9de71bb58e9
Formbook
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771
Formbook
387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
Formbook
5683bdb2fc2b2f0bfd524ea328ead3cb7d405f888c54a96fe05dff6ee4d91bd7
Formbook
d78094f3b6eac87e2d4249671bdc4e044afb31e2e78aac8f2db7186c6d5b6db1
Formbook
ea94995d23d53a98a949a242022cbd9bc5b7a4320c3fb6c045370b15704e4004
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
+ 14'489 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cxbz loader rat
Link:
https://tria.ge/reports/220301-xx9d8abcc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b39800cf836f6df567f9deaeacd5038c4e077324a8e95d99d856d7261258f4ff
MD5 hash:
b638dd70c1634680fabf704d9d61ccd3
SHA1 hash:
8d6eef404c1f76a9435b795482b11932ac541069
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1e3cfe78-56b0-484b-a3a4-85def345a136/
Parent samples :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 hash:
dc67976ac7f6c4a1c42efe5aae0331fc0a541709746efbab85f4db5cb902af17
MD5 hash:
cc5503cdd21b3b134ae5a79da9ab6d78
SHA1 hash:
f94aa5d0e747eabe1beaf1196312809a6e4da7be
Link:
https://www.unpac.me/results/1e3cfe78-56b0-484b-a3a4-85def345a136/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/1e3cfe78-56b0-484b-a3a4-85def345a136/
SH256 hash:
d547bfcbecd27c2a2cc495cdda6e7bcbfe49a7a5a2636d736cde21bc211fd1cd
MD5 hash:
f8af258d17984249df36dd3d6409bbb1
SHA1 hash:
00d438863279a4fe6f7e668700861a997d6a401a
Link:
https://www.unpac.me/results/1e3cfe78-56b0-484b-a3a4-85def345a136/
SH256 hash:
6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615
MD5 hash:
ddba7579fcf78db9f5f2e28ab81055df
SHA1 hash:
0dc5db4881c7561c9949d489a6f3fb2d85565f9f
Link:
https://www.unpac.me/results/1e3cfe78-56b0-484b-a3a4-85def345a136/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6394de1149ba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615

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
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 6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/245982/
  
URLhaus
https://urlhaus.abuse.ch/url/2069331/

Comments


Avatar
zbet commented on 2022-03-01 19:14:35 UTC

url : hxxp://198.23.212.228/kobo.exe