MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817. 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 2 File information Comments
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SHA256 hash: f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
SHA3-384 hash: 2f8ee9bace09b58cf424a9bba62b31f51d766d75b87f0fe0a671e378437dd68226276f1bb496c3cb12ff8d23fa7d6fd8
SHA1 hash: f68481fff291de0a55fa7b43f01e7905a027f56c
MD5 hash: 0909c0f35eb5d8693d0a572aca2b8c74
humanhash: cat-batman-floor-september
File name:ashleyzx.exe
Download: download sample
Signature Formbook
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File size:1'261'056 bytes
First seen:2022-04-04 08:16:26 UTC
Last seen:2022-04-11 05:38:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:B/w4Tcww2frV8+iphCxvA6FzTXtJo0WpzuAl8BNeLc:B/wg3xV0hczFzDnsvbLc
Threatray 13'314 similar samples on MalwareBazaar
TLSH T19945AEC4EE96F92AD51D67B1B0E140FC83B36D12508ED79B26C3FED60B8335248A16D6
File icon (PE):PE icon
dhash icon 71f0ccf696ccf071 (5 x AgentTesla, 5 x SnakeKeylogger, 3 x Formbook)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/260401/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.17288.21962.5768.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe
Link:
https://www.filescan.io/uploads/624aa97f40ce5db9f400b3e5/reports/530b31dc-a31b-477f-a3a9-1dcfdba27260/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/db45ab40-8de5-4f1c-8a08-ab5f69b1abd3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/969812
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 602299 Sample: ashleyzx.exe Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 10 ashleyzx.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\ashleyzx.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 14 ashleyzx.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.neema.xyz 86.105.245.69, 49775, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817/
Threat name:
ByteCode-MSIL.Trojan.Zilla
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Status:
Malicious
First seen:
2022-04-04 08:17:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
8 of 42 (19.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
0ba2f6257fb96db81026615bb726f0ede3ea3263f2f79989cbab3f7e3cff97a1
Formbook
2f769789848c3e7e7492ad889d72f0087633418aa8368fcbfa63bf2dc31bfd1a
Formbook
4bc96a8bb1739c227e539a7aa4156cb6c1023a254e2660135351edbe9a7db8e2
Formbook
727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
Formbook
8d08a6736ce2ad51b87e1f3e9577a53abd8ca055fb1d7027b97250cecabee199
Formbook
909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed
Formbook
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
Formbook
9a0379b9363f704c49db190841ceb559ebed609d90f795df77ccf3b23765fa5d
Formbook
b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07
Formbook
d675408e7dcc87922c9d654a5c4f387f70d4a06ad99bad187753d90ee6381a87
Formbook
+ 13'304 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:dw4g rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220404-j6pjhsgggp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6ae572dfafa980162ff4b75a7cbf371bfc6d0815dd3b257800ecf7daa2d63ed4
MD5 hash:
2903c624a294fa43ef1b64a7eb6a320c
SHA1 hash:
b42abbeb5242d192fb397e86ab3338d675a38d3c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/874ab307-b395-4dfb-af76-8d11631198d3/
Parent samples :
f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4
a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d
82f532d94b881818fcb46337425663aa86a102547911d1d81eb59b75226ea6f9
5280905309fe7450fe1fb925e25d59068772c0d1868b1c4ac6418d5f93e28abf
SH256 hash:
ed1afbb74bafbc591bcc9d1a3627c22b71dfe9f8d7d3f768fc4adadcffcd0aef
MD5 hash:
94d2fe90c8c52fdb7b91e4802dbf2256
SHA1 hash:
61b6948826261418d0cbda22ca4e523ca7af405a
Link:
https://www.unpac.me/results/874ab307-b395-4dfb-af76-8d11631198d3/
SH256 hash:
8661377eff3e58e86768c6640eb3ae7d49413b5b5df18795950f611284fd6af8
MD5 hash:
50eecf3b10f463a61d46ce455a626a2a
SHA1 hash:
14203f11b5800dc890f8951a5f3460af657a8c0a
Link:
https://www.unpac.me/results/874ab307-b395-4dfb-af76-8d11631198d3/
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
Link:
https://www.unpac.me/results/874ab307-b395-4dfb-af76-8d11631198d3/
SH256 hash:
f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
MD5 hash:
0909c0f35eb5d8693d0a572aca2b8c74
SHA1 hash:
f68481fff291de0a55fa7b43f01e7905a027f56c
Link:
https://www.unpac.me/results/874ab307-b395-4dfb-af76-8d11631198d3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817

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
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Rule name:Skystars_Malware_Imphash
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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 f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2109443/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/260401/

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