MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f. 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 2 File information Comments
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SHA256 hash: db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f
SHA3-384 hash: 02ca127f289c8ff53a942cb6faa8b5fe9e0da246ff7921f7701581f94eb216d1591c7bacb104f42ec8ee4e0e39ab3f50
SHA1 hash: 5a71fe04a8a53966f491b3d3362c7b0a1be05411
MD5 hash: e9433e6f78e64470dbb521320faeee8b
humanhash: kitten-stairway-pizza-beer
File name:e9433e6f78e64470dbb521320faeee8b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:824'320 bytes
First seen:2022-02-10 07:41:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:r4q2Qk8L4pgyRejtuI4RcayAtZ8iiknFkFW46jS5DWM94mC0oKqZZQAQBPeh2ouI:0ZGq3+4Rnwwnyg+DW+4mN4QT62P+K
Threatray 13'340 similar samples on MalwareBazaar
TLSH T14205012467AC8B6AE97A53F86438513503B53C4A31A2DE4E8EF0BCDF39757814412F6B
File icon (PE):PE icon
dhash icon 68686cdcc6a6d2e1 (13 x AgentTesla, 5 x Formbook, 4 x AZORult)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/240208/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6204c1cf36f9921918364d17/reports/6f533fea-14e3-43be-b677-77482f7defeb/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/96cf4d72-1819-4e13-853b-48d9f22a7386
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/937415
Signature
.NET source code contains potential unpacker
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
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 569892 Sample: eF4EqPu1Yo.exe Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 32 www.livia-rony.com 2->32 34 www.infoecommercepro.com 2->34 36 2 other IPs or domains 2->36 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 11 eF4EqPu1Yo.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\eF4EqPu1Yo.exe.log, ASCII 11->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 15 eF4EqPu1Yo.exe 11->15         started        18 eF4EqPu1Yo.exe 11->18         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 20 explorer.exe 15->20 injected process9 signatures10 46 Uses netsh to modify the Windows network and firewall settings 20->46 23 netsh.exe 20->23         started        process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-10 07:42:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6420ceb34588ec91292aa6fcaa2b77b99a4b492a009f51a409fd240d138c7856
Formbook
6f2d71733b4bcab1a04a40168f2900963a9f65c0081a6f1d1832d18b6bae16bb
Formbook
76fb4deca980cbc985a590ac1f8481bc1b08cd9ab19fd24c902cc58347e792f6
Formbook
8c16cbf4df8137db774d2cb97cc386b052ca7a0b77ee1572fe7a5fc9a5a22ae0
Formbook
d0ce91945a10abde8e7569759e78430c80fb8fa42589dfaccf565cf6895f8846
Formbook
e08593ebcd4ac9265c1f27d987a67f43b2c8a9e9c680e9d47901281a4c5878dd
Formbook
e76b1a4f9aa3787900758ce81367f40587ca3d6a3a7ab6d1d02537e12cb10c37
Formbook
f556af7cd24cc02eba24924d19c42966a1a98b84dfabd78c523c55f492d54acd
Formbook
f61f02c5be2ef5988f474ffc148b099942ab8582cd4aac8b3c991436f6230592
Formbook
+ 13'330 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:qugo rat spyware stealer trojan
Link:
https://tria.ge/reports/220210-jjrelageam/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
fd1cb547ff1500174018e7ab3eea419a830d951b2d43ae31d3828d2a2da6a63d
MD5 hash:
4bf2f0d3497ff405174d0c95e000f829
SHA1 hash:
d7e7f210d1f854b3e99ced28e977bc0cb4e49b33
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1b8b6103-262e-413a-a2bb-876ee7218eb0/
Parent samples :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 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
Link:
https://www.unpac.me/results/1b8b6103-262e-413a-a2bb-876ee7218eb0/
SH256 hash:
5a220eb997ae959c347fffb0f7284726c642ef36428e48ba2b001ddb512b67b6
MD5 hash:
ca546b2e85dd7ffdd7627bebbbfca188
SHA1 hash:
6fe6e66fec5896df43665830b6b4f6571c156884
Link:
https://www.unpac.me/results/1b8b6103-262e-413a-a2bb-876ee7218eb0/
SH256 hash:
aff0129491ef650dfa4b6e811318bb29193e57cace6538ac8b34b86db4d00308
MD5 hash:
05c0fc60148569f04aade73fd8ddf559
SHA1 hash:
311b96e25815d77f39d0577c4dfbc639b1316608
Link:
https://www.unpac.me/results/1b8b6103-262e-413a-a2bb-876ee7218eb0/
SH256 hash:
db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f
MD5 hash:
e9433e6f78e64470dbb521320faeee8b
SHA1 hash:
5a71fe04a8a53966f491b3d3362c7b0a1be05411
Link:
https://www.unpac.me/results/1b8b6103-262e-413a-a2bb-876ee7218eb0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/db4fa159359f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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 db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1986800/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/240208/

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