MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5. 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 3 File information Comments
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SHA256 hash: de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5
SHA3-384 hash: 60c9ae8a9247a265a1210224751899d57be4b81d9bffa138e22c263fb28e99fa63fbfc0d852579da25da94f8c9a346f8
SHA1 hash: 0bc812b6bf95f7c41c080c01b8669db9d66b87f4
MD5 hash: 467418805993bd4ec025778ae7972673
humanhash: fish-fish-pip-moon
File name:Invoice #00442811-20211029.2.pif
Download: download sample
Signature Formbook
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File size:426'496 bytes
First seen:2021-10-31 19:26:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:2kdrpusQahqtZ1kr8K3zKQkm+yCeJBdzHm3L5HoFoK5a0ojhT:2kbQah2TkwKj/L+SNHKL5HoeK5No9
Threatray 10'951 similar samples on MalwareBazaar
TLSH T1C394E001A3F917ABD6B997F9187301102BF6385AB271D71E4DC574EE6932F810A21FA3
Reporter Racco42
Tags:exe FormBook pif

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice #00442811-20211029.2.pif
Verdict:
Malicious activity
Analysis date:
2021-10-31 19:29:52 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f14714b9-2f7f-40de-9a86-342615e31e36

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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/d151ac24-0fbf-4244-a8dc-f3812f421621
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/880045
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 512479 Sample: Invoice #00442811-20211029.2.pif Startdate: 31/10/2021 Architecture: WINDOWS Score: 100 45 www.casitadespuma.com 2->45 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 13 other signatures 2->67 11 Invoice #00442811-20211029.2.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\Temp\tmpCB2.tmp, XML 11->39 dropped 41 C:\...\Invoice #00442811-20211029.2.exe.log, ASCII 11->41 dropped 43 C:\Users\user\AppData\...\vVYzIkLBNA.exe, PE32 11->43 dropped 71 Adds a directory exclusion to Windows Defender 11->71 73 Injects a PE file into a foreign processes 11->73 15 Invoice #00442811-20211029.2.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 47 www.travelplform.com 217.160.0.133, 49830, 80 ONEANDONE-ASBrauerstrasse48DE Germany 24->47 49 www.aajproductions.com 107.187.199.72, 49826, 80 EGIHOSTINGUS United States 24->49 51 7 other IPs or domains 24->51 69 System process connects to network (likely due to code injection or exploit) 24->69 32 wlanext.exe 24->32         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 32->53 55 Modifies the context of a thread in another process (thread injection) 32->55 57 Maps a DLL or memory area into another process 32->57 59 Tries to detect virtualization through RDTSC time measurements 32->59 35 cmd.exe 1 32->35         started        process14 process15 37 conhost.exe 35->37         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-31 19:27:05 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
0c22acaa973cbb781aea92dc1fb5a8c7cc1fd2abd403f2a6b9703f8f1e1c8657
Formbook
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
5f474b40c8bd056549cbf8b574f80bf8198d53f29bdb3ee5eb21db0700b71f7c
Formbook
66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
Formbook
ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e
Formbook
bb8e1d48225b002a4da7d0c33051e7fc457e244ed610f536b87702439d978a46
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
+ 10'941 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:b4a0 evasion loader rat
Link:
https://tria.ge/reports/211031-x53xeagcg9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.gurustips.com/b4a0/
Unpacked files
SH256 hash:
169771475bcddb24a158653d3b57f17974361f686fa63fb873fb282f7cd871ff
MD5 hash:
7d7d799e51baa436888f34428fcc795f
SHA1 hash:
2fd818286df37155a792ba9ec2800da3c598d538
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/2782b4b4-1e9b-482b-961f-56e91af33383/
Parent samples :
de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5
d80436359f7dd16d812a1007524a34b9f62a9364062b19e198f505051bbe98a7
ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada
SH256 hash:
9f5c4030e3d672e254f4163b39e98b6e571a92ffb78ba17525ea3edff1caebf5
MD5 hash:
4835435199137cb5bdd0371d1ced2e5a
SHA1 hash:
bff47aff3b4b5ca507fcf3c67fc3faeca21ef640
Link:
https://www.unpac.me/results/2782b4b4-1e9b-482b-961f-56e91af33383/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/2782b4b4-1e9b-482b-961f-56e91af33383/
SH256 hash:
de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5
MD5 hash:
467418805993bd4ec025778ae7972673
SHA1 hash:
0bc812b6bf95f7c41c080c01b8669db9d66b87f4
Link:
https://www.unpac.me/results/2782b4b4-1e9b-482b-961f-56e91af33383/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/de3d131bb29c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5

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: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 de3d131bb29c2eadda833f950de1144d1c104fbd2cc6249ffc3aa1ac5ae651b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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