MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d80436359f7dd16d812a1007524a34b9f62a9364062b19e198f505051bbe98a7. 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 5 File information Comments

SHA256 hash: d80436359f7dd16d812a1007524a34b9f62a9364062b19e198f505051bbe98a7
SHA3-384 hash: 41e9707126e5f4fbf123d0e3102ac13d1e289cfb03fae94e005d42fc1102439ea8dcb5b06a6dc4216524a15b424e8795
SHA1 hash: e70b0745f95a6bd26a1f08494fa78fa674dfa1e1
MD5 hash: 0af6cb3874a08a177df8e051bd77ca7e
humanhash: maine-cold-zebra-winter
File name:Invoice #00442811-20211029.pif
Download: download sample
Signature Formbook
File size:481'792 bytes
First seen:2021-10-31 19:26:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:KktXy/gOnaQ0rWSfY7m2NFkZKels8J4F5MYAY9UJeR:NhfrBom2bk7s8J0tp
Threatray 11'108 similar samples on MalwareBazaar
TLSH T13BA4D00127FA9A26D3BA0F76097300501FB1B4977E62E34F1D88319E257EF850995F6B
Reporter Racco42
Tags:exe FormBook pif

Intelligence


File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice #00442811-20211029.pif
Verdict:
Malicious activity
Analysis date:
2021-10-31 19:29:52 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
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
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
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
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 ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 512480 Sample: Invoice #00442811-20211029.pif Startdate: 31/10/2021 Architecture: WINDOWS Score: 100 43 www.ganmovie.com 2->43 45 www.travelplform.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 17 other signatures 2->59 10 Invoice #00442811-20211029.exe 7 2->10         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\xytIlPhzZiJOjg.exe, PE32 10->35 dropped 37 C:\...\xytIlPhzZiJOjg.exe:Zone.Identifier, ASCII 10->37 dropped 39 C:\Users\user\AppData\Local\...\tmpEAE5.tmp, XML 10->39 dropped 41 C:\...\Invoice #00442811-20211029.exe.log, ASCII 10->41 dropped 71 Adds a directory exclusion to Windows Defender 10->71 73 Injects a PE file into a foreign processes 10->73 14 Invoice #00442811-20211029.exe 10->14         started        17 powershell.exe 21 10->17         started        19 schtasks.exe 1 10->19         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 14->75 77 Maps a DLL or memory area into another process 14->77 79 Sample uses process hollowing technique 14->79 81 Queues an APC in another process (thread injection) 14->81 21 ipconfig.exe 14->21         started        24 explorer.exe 14->24 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process9 dnsIp10 61 Self deletion via cmd delete 21->61 63 Modifies the context of a thread in another process (thread injection) 21->63 65 Maps a DLL or memory area into another process 21->65 67 Tries to detect virtualization through RDTSC time measurements 21->67 31 cmd.exe 1 21->31         started        47 www.pocketcarry.net 192.185.0.218, 49803, 80 UNIFIEDLAYER-AS-1US United States 24->47 49 www.aajproductions.com 107.187.199.72, 49801, 80 EGIHOSTINGUS United States 24->49 51 4 other IPs or domains 24->51 69 System process connects to network (likely due to code injection or exploit) 24->69 signatures11 process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-29 02:38:57 UTC
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b4a0 evasion loader rat suricata
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
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.gurustips.com/b4a0/
Unpacked files
SH256 hash:
169771475bcddb24a158653d3b57f17974361f686fa63fb873fb282f7cd871ff
MD5 hash:
7d7d799e51baa436888f34428fcc795f
SHA1 hash:
2fd818286df37155a792ba9ec2800da3c598d538
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
f1524187d20129c86c2c3a266fd7b2e9b3dd6daa332c05ccc49a0ce13a8ff0ab
MD5 hash:
76122aaccc357af32df5aea0ff7ef294
SHA1 hash:
ebf348fe46f18267818addf059f7701cb7382c1f
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
d80436359f7dd16d812a1007524a34b9f62a9364062b19e198f505051bbe98a7
MD5 hash:
0af6cb3874a08a177df8e051bd77ca7e
SHA1 hash:
e70b0745f95a6bd26a1f08494fa78fa674dfa1e1
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 d80436359f7dd16d812a1007524a34b9f62a9364062b19e198f505051bbe98a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments