MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb4ad06c9084dce8337402be5966d98fed305574fa840f17238f5624dcb2716c. 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 2 File information Comments

SHA256 hash: bb4ad06c9084dce8337402be5966d98fed305574fa840f17238f5624dcb2716c
SHA3-384 hash: b78f096369870a82938c2aec441c0074658f3fa55f3a88256dc269158bc673d8b2b3ddef441c90fdcff7ccf0517d636b
SHA1 hash: 89c8f0b3efe14c8cff26aac5cfd58dc65953e003
MD5 hash: a2f2b6f9d7bfa244751381983d453346
humanhash: july-montana-nevada-pasta
File name:Vd3ESf2WoI9CAR5.exe
Download: download sample
Signature FormBook
File size:790'016 bytes
First seen:2022-08-30 13:25:49 UTC
Last seen:2022-09-05 11:42:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OcuA0F75e32Mqnk4OhUAa79+wroAFdLAdOpDUX3LyPKxJpZaQ0MXG9WKrQF/PWrL:ORLZ50nqkJwpOQIWCxRa4GbQM
Threatray 15'743 similar samples on MalwareBazaar
TLSH T174F4CF9D725076EFC817C932CAA46D60E721797B831BD347A40762ACD94CAABCF150F2
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)
File icon (PE):PE icon
dhash icon 5fb863cf9890b626 (14 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Vd3ESf2WoI9CAR5.exe
Verdict:
Malicious activity
Analysis date:
2022-08-30 13:30:40 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
Searching for the window
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
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.spyw.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
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
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: 693044 Sample: Vd3ESf2WoI9CAR5.exe Startdate: 30/08/2022 Architecture: WINDOWS Score: 100 53 www.sparkmediaagency.xyz 2->53 55 sparkmediaagency.xyz 2->55 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 12 other signatures 2->65 11 Vd3ESf2WoI9CAR5.exe 7 2->11         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\mnWYkSdjuYNg.exe, PE32 11->41 dropped 43 C:\Users\...\mnWYkSdjuYNg.exe:Zone.Identifier, ASCII 11->43 dropped 45 C:\Users\user\AppData\Local\...\tmp577A.tmp, XML 11->45 dropped 47 C:\Users\user\...\Vd3ESf2WoI9CAR5.exe.log, ASCII 11->47 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 11->69 71 Adds a directory exclusion to Windows Defender 11->71 73 Tries to detect virtualization through RDTSC time measurements 11->73 75 Injects a PE file into a foreign processes 11->75 15 Vd3ESf2WoI9CAR5.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 85 Modifies the context of a thread in another process (thread injection) 15->85 87 Maps a DLL or memory area into another process 15->87 89 Sample uses process hollowing technique 15->89 91 Queues an APC in another process (thread injection) 15->91 22 explorer.exe 15->22 injected 25 conhost.exe 18->25         started        27 conhost.exe 20->27         started        process9 signatures10 67 Uses netstat to query active network connections and open ports 22->67 29 NETSTAT.EXE 18 22->29         started        process11 file12 49 C:\Users\user\AppData\...4960logrv.ini, data 29->49 dropped 51 C:\Users\user\AppData\...5160logri.ini, data 29->51 dropped 77 Detected FormBook malware 29->77 79 Tries to steal Mail credentials (via file / registry access) 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 83 3 other signatures 29->83 33 cmd.exe 2 29->33         started        signatures13 process14 file15 39 C:\Users\user\AppData\Local\Temp\DB1, SQLite 33->39 dropped 57 Tries to harvest and steal browser information (history, passwords, etc) 33->57 37 conhost.exe 33->37         started        signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-30 10:04:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dy47 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
9f8c4f396241ade29da7ef5ec21bf97a23ab6d4bededad0abe22acbe40762074
MD5 hash:
758f76dc0544068385116820ffcf398a
SHA1 hash:
637667c0c6f0d1b0d53ab1fbe9ffccb00353bd6b
SH256 hash:
5bb875dec90d53e4ff8009fc264bb19bf244a5cc7b51d5587f3667c70231ee20
MD5 hash:
e15244928e8ab9eea8d495348de08e26
SHA1 hash:
393c03d738f1c517f057c52092e1b1f2f17af2a0
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
bb4ad06c9084dce8337402be5966d98fed305574fa840f17238f5624dcb2716c
MD5 hash:
a2f2b6f9d7bfa244751381983d453346
SHA1 hash:
89c8f0b3efe14c8cff26aac5cfd58dc65953e003
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.

  
Delivery method
Other

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