MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2
SHA3-384 hash: e87969d2be029c3d8ccbe071ee7138ef923b8572d22786f1816b815e2cf267b5c355ea7fd69c20e110d73b18a2a64c3e
SHA1 hash: 9982779ea783defca4c9d3e95ddb92c11a838447
MD5 hash: bc302d910397e2d1092e47029d8f35df
humanhash: florida-triple-asparagus-xray
File name:1Ptfo0FZUMT7hlK.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:858'112 bytes
First seen:2021-07-14 13:14:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:E2iNT/VnFXwSj7V2JHLKJpBUtVOSoHL0tOV0Yd03i/nRar2hBrNls9XOd4+QCaQV:E19/VnR7VQcpqtiAOnd0Ey2hgu
Threatray 6'406 similar samples on MalwareBazaar
TLSH T19C058D2C23BDA709F577FF319FA4E7449EA67B7992158C0E38C412065862E82BD63D31
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1Ptfo0FZUMT7hlK.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 13:16:24 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/10b35117-7900-4213-b971-1465b14e1fbf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/171663/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

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/0a869e03-fd4a-4fe6-bbd9-e9f629526e62
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/816226
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 dnsIp2 2 Behavior Graph ID: 448637 Sample: 1Ptfo0FZUMT7hlK.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 31 www.simplebox.world 2->31 33 www.farmersystemofanalysis.com 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 1Ptfo0FZUMT7hlK.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\1Ptfo0FZUMT7hlK.exe.log, ASCII 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 1Ptfo0FZUMT7hlK.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.igrejacelta.com 178.238.47.21, 49756, 80 MASTER-ASCzechRepublicwwwmasterczCZ Czech Republic 18->37 39 mindyourbehind.com 35.208.214.73, 49759, 80 GOOGLE-2US United States 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 control.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-14 13:14:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03735650255866b1c2592bcb4567cbcb2b9d23eea5430d2e7d7c6315abadb5ad
Formbook
0a2e7c9ad53b5355f4f723912d07f9dae7d1e2d72ac62758cdc44196f124945e
Formbook
3a220e6bff537b270991d1bb49e530c7279fb643f8a9b5998bbefae6140a19f4
Formbook
660708a7f99d26de87386ca21682b96179f16f2dbc67578a704cb94d78e9848f
Formbook
8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a
Formbook
9f86527e3ca4530bb3209d8608dae083afab4ef2cf7b0ae23bcd6fdc322a0c33
Formbook
b18cada45b281365bf225c30a5ec0b58a85f6cae6abb486cc734d345446eaf7b
Formbook
b36a2901bfafd8723bfddd0388f65b0a46237b063ca33edbf773bb589f929981
Formbook
c935e13396041731908b9fbb5c4e74c38b9f374eb9a47d419038ac539008c94c
Formbook
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
Formbook
+ 6'396 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210714-kjrwl4rlnj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.simplebox.world/qn6g/
Unpacked files
SH256 hash:
069fe815a1801963e9bc745bb657f41dd0a969d9b5e8e53f9d75cd415a024471
MD5 hash:
dcc211dabe79eb3a4c934e0050078289
SHA1 hash:
2b2de1addb68ea8abce47c3e0179e18338a718c3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/bf9be803-f94e-4ad0-8b95-cd24da65448e/
Parent samples :
a09ad5ee3ef9214717004d7e8c2761a0a2f010e74755f4c99ab4be8d592794cc
fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2
04e127c5bdf94f075639d7f44badd25223f3ebeede44258367413d8463505020
SH256 hash:
6040a81ab876c19fb56789a5236e6141f9f902b7036307034289847f15154373
MD5 hash:
6ffb5527aa1c61353c810c7a190ae694
SHA1 hash:
ef6362d4b1cde3b9da6bc327130efd0d6622e816
Link:
https://www.unpac.me/results/bf9be803-f94e-4ad0-8b95-cd24da65448e/
SH256 hash:
e2d88dc86b70b78748fed51ff1e61e210070f8289f0f7e5d2bee2377a10bf442
MD5 hash:
4a433365952155f732e4fa6b2c48566d
SHA1 hash:
6477448d28a83b1b4eb4f14c936158da83384519
Link:
https://www.unpac.me/results/bf9be803-f94e-4ad0-8b95-cd24da65448e/
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
Link:
https://www.unpac.me/results/bf9be803-f94e-4ad0-8b95-cd24da65448e/
SH256 hash:
fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2
MD5 hash:
bc302d910397e2d1092e47029d8f35df
SHA1 hash:
9982779ea783defca4c9d3e95ddb92c11a838447
Link:
https://www.unpac.me/results/bf9be803-f94e-4ad0-8b95-cd24da65448e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/171663/
  
URLhaus
https://urlhaus.abuse.ch/url/1455974/

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