MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
SHA3-384 hash: 8cd1e9ebd715e28735489baca6e29d81677ac653c331ad18ea4f4493ff74def4a67d35841a296324a491ab9d734b1738
SHA1 hash: 8a161462526f16230b11b562b70b1bf142bebb74
MD5 hash: 2ab9f235b6f9809e71ca512337ebaa40
humanhash: eighteen-nuts-pennsylvania-india
File name:aUzTNhGt8rxnyMr.exe
Download: download sample
Signature Formbook
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File size:750'080 bytes
First seen:2022-02-21 12:25:38 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:BKPby0chFFQWNX6fh0Garm51tNVsCj7+zDMctWi+FH+BNTY7fIIsna76k9Ip:GbHchF96aWns0YtiFHcNTY7fIBauA
Threatray 13'850 similar samples on MalwareBazaar
TLSH T1AEF4DFDC28BA11F8F33A8EBE5DDCE5B0CE79E6252605F8B978D51F524700B4489D2239
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/242956/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.94.24751.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/621384e3a2660f3bb91acd96/reports/e112cbc0-4932-4780-8ca6-93996641a482/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/5ddf297d-f31d-4b85-af13-a73749bc6c08
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943217
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
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: 575695 Sample: aUzTNhGt8rxnyMr.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 29 www.meupagador.online 2->29 31 td-ccm-168-233.wixdns.net 2->31 33 gcdn0.wixdns.net 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 9 other signatures 2->41 11 aUzTNhGt8rxnyMr.exe 3 2->11         started        signatures3 process4 file5 27 C:\Users\user\...\aUzTNhGt8rxnyMr.exe.log, ASCII 11->27 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 aUzTNhGt8rxnyMr.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 cmstp.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-21 12:26:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4ze66hwpbyg257qub6tye4kdkjy4rvkwa74dmxo66tmuwzv737oq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f46e1c5fdbd54458ef74a762dcdf4e9a9c6caabc843025422ba903236348dfb
Formbook
3446a9d1fcd21b6e219220379f6b82cccf3cb967b9af1f9e91fa511e90eab639
Formbook
47d424c280738861bd8cf731e43137dc875d186cd277c6db8ab98f3e74453022
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
640ac0fcf97c0474f805fdf150d7c539650a833e1cbb47393e188da5a1f5f5c3
Formbook
6667380c74ccc01901ae2ae234ca53eba30ab8b27c007ce2b403aefcc11ce871
Formbook
75e52fcffe8c57f96f521a16c80c3cfc75770ecd0f929cb88d1d4ed6f9d6e923
Formbook
776233fa1eb951f0d8ea2d27b0da36048e6a17e1dabac5714074152ae68b8958
Formbook
d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9
Formbook
f3a2d8b0fe1ccd8d1deb057efd255a123444b0298e24d0aabe385136580accdc
Formbook
+ 13'840 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:icun loader rat suricata
Link:
https://tria.ge/reports/220221-pl7r9abbgm/
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
42501404e1555afc191debd5c2c5ecccb08835a67d0de5f7215fde9f686078a1
MD5 hash:
fdffccd125d9c21507f21d4953f5f4ea
SHA1 hash:
b314822f0837ab84541cc41ce78fdf6f094359a3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/14b21f22-9d22-4ffb-881e-1b3105a2c0bc/
Parent samples :
05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637
1ef7bd7eb5072a52e9e63dab1a6633413a19768ea84bf248868239b087f0900f
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
SH256 hash:
3490b410005e799a76fb58533e5ec22b1a34828aab4e54268ade478fd00cdefa
MD5 hash:
1d6e8a1b62b09bb2457d160629a3f995
SHA1 hash:
d51c70457ba3ed3a0ab71b458c82b8c0b13993bc
Link:
https://www.unpac.me/results/14b21f22-9d22-4ffb-881e-1b3105a2c0bc/
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/14b21f22-9d22-4ffb-881e-1b3105a2c0bc/
SH256 hash:
c167300193b923a360233b2c1918baa45ec0432af7e55f276bbd2030a7c03fc4
MD5 hash:
ab0b01d1c0301b5fc6a2a5e1fea34a22
SHA1 hash:
6cb8c360c71ec5f7232f6d367f6297ee269282f5
Link:
https://www.unpac.me/results/14b21f22-9d22-4ffb-881e-1b3105a2c0bc/
SH256 hash:
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
MD5 hash:
2ab9f235b6f9809e71ca512337ebaa40
SHA1 hash:
8a161462526f16230b11b562b70b1bf142bebb74
Link:
https://www.unpac.me/results/14b21f22-9d22-4ffb-881e-1b3105a2c0bc/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e649ef1ecf0e/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/e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd

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.

Malspam

Formbook

Executable exe e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242956/

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