MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d92480dba0931328c2c808ae67f0be25ce8eed46de25ad916d111245136254bd. 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 2 File information Comments

SHA256 hash: d92480dba0931328c2c808ae67f0be25ce8eed46de25ad916d111245136254bd
SHA3-384 hash: ec8fb23937ef92e7400d3d4646d06e71715fcf643c738b6308cb273ef0c6f5a86cef7819734d5aff65a84c3522e8cb0f
SHA1 hash: e4decfff54c791d37de9fa449baa9d33874ebb52
MD5 hash: 01dfa2db4bfb87e5a5d2d4e5d8c00f5f
humanhash: pennsylvania-nuts-connecticut-princess
File name:Confirmação de pagamento.exe
Download: download sample
Signature Formbook
File size:410'624 bytes
First seen:2022-02-07 06:45:22 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 12288:tSaqEdB2sy6MJLUoUZUGUpQXrTPgVSupM+goY:wafdUWMNU5hU+TPaSupM+XY
Threatray 10'883 similar samples on MalwareBazaar
TLSH T15794E0B4B1AB8DA4F52B94B9217CFCA5167133E389DB0A14077C67009BE9F667E4480F
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
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
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add 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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 567381 Sample: Confirma#U00e7#U00e3o de pa... Startdate: 07/02/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 14 other signatures 2->52 9 Confirma#U00e7#U00e3o de pagamento.exe 7 2->9         started        process3 dnsIp4 44 192.168.2.1 unknown unknown 9->44 36 C:\Users\user\AppData\...\tHhSUVCKpw.exe, PE32 9->36 dropped 38 C:\Users\...\tHhSUVCKpw.exe:Zone.Identifier, ASCII 9->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9CAB.tmp, XML 9->40 dropped 42 Confirma#U00e7#U00...e pagamento.exe.log, ASCII 9->42 dropped 60 Adds a directory exclusion to Windows Defender 9->60 14 RegSvcs.exe 9->14         started        17 powershell.exe 25 9->17         started        19 schtasks.exe 1 9->19         started        file5 signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 2 other signatures 14->68 21 control.exe 14->21         started        24 explorer.exe 14->24 injected 26 conhost.exe 17->26         started        28 conhost.exe 19->28         started        process9 signatures10 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 30 cmd.exe 1 21->30         started        32 explorer.exe 1 161 21->32         started        process11 process12 34 conhost.exe 30->34         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-05 12:55:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
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 win_formbook_auto
SH256 hash:
86a8a6613732336ad162f7ddab5a6e2a48edf51d137d9975f231c055f8caf2c6
MD5 hash:
3acff00b7e15aa274b20367c2e782618
SHA1 hash:
d003702195d53157d2df872724fa86ea0bb9c5ac
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
SH256 hash:
d92480dba0931328c2c808ae67f0be25ce8eed46de25ad916d111245136254bd
MD5 hash:
01dfa2db4bfb87e5a5d2d4e5d8c00f5f
SHA1 hash:
e4decfff54c791d37de9fa449baa9d33874ebb52
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 d92480dba0931328c2c808ae67f0be25ce8eed46de25ad916d111245136254bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments