MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2
SHA3-384 hash: f50dadc59d2b384426f12e3950910b11ee681aebcbff79cd5dd1e654ba558df74c6286ff77794882a977ed83f81e5073
SHA1 hash: 6c806ab505713d011f02c008d9c69dcbfdde55ab
MD5 hash: 3999be53259c3a2ecc613beccb944a8b
humanhash: zebra-iowa-delta-arizona
File name:art¡culos de orden de compra.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:850'432 bytes
First seen:2022-04-13 16:02:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:q12MYtLRZaaeK3x8KC4dx05nbQojj5Ql8:qGRZSux83KwEoZ
Threatray 14'247 similar samples on MalwareBazaar
TLSH T18C05121133B9AB08D5BA1BB92838404043BB7D5F2D74D66C6C9E74DA5BB3B425B10BB3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
art¡culos de orden de compra.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 16:04:19 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f80f16ef-7126-4143-92bc-f2bb8f143b68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263481/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6256f438482f2f41caa7d4d9/reports/fb6b21fb-899e-4a90-a76d-86193c2cef87/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a341d4e8-5314-4da8-bccf-a60cbf7cd758
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976315
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
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: 608802 Sample: art#U00a1culos de orden de ... Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 46 www.lk5d3.com 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 15 other signatures 2->56 11 art#U00a1culos de orden de compra.pdf.exe 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\YKIXrXdfzJS.exe, PE32 11->38 dropped 40 C:\Users\...\YKIXrXdfzJS.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE8A5.tmp, XML 11->42 dropped 44 art#U00a1culos de ... compra.pdf.exe.log, ASCII 11->44 dropped 58 Adds a directory exclusion to Windows Defender 11->58 15 RegSvcs.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 2 other signatures 15->72 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 wscript.exe 22->28         started        signatures11 60 Modifies the context of a thread in another process (thread injection) 28->60 62 Maps a DLL or memory area into another process 28->62 64 Tries to detect virtualization through RDTSC time measurements 28->64 31 explorer.exe 3 155 28->31         started        34 cmd.exe 1 28->34         started        process12 dnsIp13 48 192.168.2.1 unknown unknown 31->48 36 conhost.exe 34->36         started        process14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 14:16:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s5iewpn4fx7cberpgmr7sbnktvhv6rahedflmposnsbpe335o2ra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
20ceb4d62738b1472fd88b7ea5ca3d9b1774cf1fbef328f4b349e749c68fe0b1
Formbook
2dac503b9c06d06387e62a41fe9f9e179df1aba575a3b2aece6d508b7c2e0d4f
Formbook
499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9
Formbook
4d5d803e91d5a07b32a19a06a8f722d3d4aead462bb2cab23470f2c2ad79b71a
Formbook
574fa65d6f75e60274434f27f9f28f439c093ba8ba7eb8303a441a5e851d70c8
Formbook
90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575
Formbook
cd0c02c985600efee1edc7dcca8808cdf06f3ac1d52427d39c2931d2472caa6a
Formbook
d18ee31980399f171c8219a6d14ad83f3d61017f8d14e44c6f3f3bd067eccdf7
Formbook
+ 14'237 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220413-thbmvsdbgn/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4a48021e-fead-4011-bc1e-f21cbbff60a7/
Parent samples :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 hash:
6b64575d06f4cecd703d3a9b5f3da70fed060ee22485e52ac525ee9cc5d32eb5
MD5 hash:
c5f18dbfc57785e16beec29be1f9552c
SHA1 hash:
a4e1b8a35e83798282da1a9dabd099b25ea01c8f
Link:
https://www.unpac.me/results/4a48021e-fead-4011-bc1e-f21cbbff60a7/
SH256 hash:
11a94b97499d019171dc439c382004c4d02532596fe11b6f6940f9199d03c0f8
MD5 hash:
d88ddb6a06be04c09326aa24bb9d2e8d
SHA1 hash:
2c8bf8388646db72c6f649c9e329b52cf14f339f
Link:
https://www.unpac.me/results/4a48021e-fead-4011-bc1e-f21cbbff60a7/
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
Link:
https://www.unpac.me/results/4a48021e-fead-4011-bc1e-f21cbbff60a7/
SH256 hash:
97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2
MD5 hash:
3999be53259c3a2ecc613beccb944a8b
SHA1 hash:
6c806ab505713d011f02c008d9c69dcbfdde55ab
Link:
https://www.unpac.me/results/4a48021e-fead-4011-bc1e-f21cbbff60a7/
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/97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2

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
Create hunting rule
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.

Malspam

Formbook

Executable exe 97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263481/

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