MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760. 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 3 File information Comments
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SHA256 hash: d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760
SHA3-384 hash: 7817c1ffdb06d6289c66d753f66ee344b34ec60e3f41a4dea22dc8793966fdc6d86f3f89d6c2304de0a39c1238040cff
SHA1 hash: ed501f5bee69c6b7318e781f04d38ce78c7b18b1
MD5 hash: 7bc8b50980b9817592eadabbe2b6fcbf
humanhash: queen-cup-ceiling-romeo
File name:ZYBDucAqi4Y9Dhq.exe
Download: download sample
Signature Formbook
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File size:879'104 bytes
First seen:2022-07-18 23:18:51 UTC
Last seen:2022-07-18 23:42:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:UlhLuyyhVrWEB9uEcoyOPmHvykR8Nwv659Y:wLuyynrjsJoy2mHvlRwwvGY
TLSH T12A15122372441A9FC06E4BF9D0728DE007B52D8A9652FF650EC4B6E728737509A0DBDB
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291728/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.23057.4581.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
fareit formbook packed
Link:
https://www.filescan.io/uploads/62d5eaeb8fbcdde3605b8016/reports/31d1ccf8-0c01-4f38-a912-7f5822ea5588/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/70c2c24a-cc85-4e29-9dfb-42377ee2aeaf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036184
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
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: 668678 Sample: ZYBDucAqi4Y9Dhq.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 33 www.dasvepublicschool.org 2->33 35 www.czashapp.com 2->35 37 www.casetiff.com 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 11 ZYBDucAqi4Y9Dhq.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\ZYBDucAqi4Y9Dhq.exe.log, ASCII 11->31 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 ZYBDucAqi4Y9Dhq.exe 11->15         started        18 ZYBDucAqi4Y9Dhq.exe 11->18         started        20 ZYBDucAqi4Y9Dhq.exe 11->20         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 22 explorer.exe 15->22 injected process9 process10 24 explorer.exe 22->24         started        signatures11 47 Modifies the context of a thread in another process (thread injection) 24->47 49 Maps a DLL or memory area into another process 24->49 51 Tries to detect virtualization through RDTSC time measurements 24->51 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-15 06:59:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=26x5hli6epqwzm6jcni445jjqtahkpg7ean7fo6t7e4duxymu5qa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-3atm5scdc9/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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 Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
603d5301ad65ee1cf6e4917210b68da9d03ae786b6ca261c96d41bf84b93d189
MD5 hash:
fc325391141114a6a3927705153f69a3
SHA1 hash:
b24ebe35d751dbfcc1581525ec2adf96d8352f4f
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
Parent samples :
4ece28a4229d41e763203acb8c66af294e5461b01de2c4e25daddab193dfe554
62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32
d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760
3b35af72357dd7a40e3f4d878b05f21d99aee95ffa0b016465158723b4cd1e15
620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c
416f6e84e0825f1dd9aa5e80205c8b5f357dd1fd5e30add9f8dc2607a5d3b0f4
SH256 hash:
3230f3b3c34ae568024c3fefd5dd4ffa6c3a064e2ec80bb871a5541e137f60f4
MD5 hash:
f3a8b3bedd1a77fa0aeb14ee3098e418
SHA1 hash:
4de4b2d237b04ef8b1ddb8933af2e348420896f5
Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
SH256 hash:
c139ff30d2a78c07d928449dd4bad2288883b5a7fd50a558119e05b76b7e751a
MD5 hash:
a34f4fc730847672f2a742ae08af0468
SHA1 hash:
de17762ad727c33b08ac40b2820d9c9ff447647c
Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
SH256 hash:
07a669badf12ee362884eca88c04ff18b102b9cf7b59653807fc451ad4e7b8fe
MD5 hash:
f6df51f6176af38265fd8933b3f473a7
SHA1 hash:
2c7549beab772727065d025417e42ad6840294b9
Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
SH256 hash:
d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760
MD5 hash:
7bc8b50980b9817592eadabbe2b6fcbf
SHA1 hash:
ed501f5bee69c6b7318e781f04d38ce78c7b18b1
Link:
https://www.unpac.me/results/b017b854-2484-482a-8a1c-53f362454fa4/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d7afd3ad1e23/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/d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760

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:meth_get_eip
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Author:Willi Ballenthin
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 d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291728/

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