MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b02875426e9b8b7074487c959a5220399e4c965f5bac608d9a65b66f4d62c71. 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 3 File information Comments

SHA256 hash: 8b02875426e9b8b7074487c959a5220399e4c965f5bac608d9a65b66f4d62c71
SHA3-384 hash: bac1f2987ed10a9861741ca00f2741582abd28f416631a1cdb8a63e59fe6b4e48a166753f89a30a5bbabeefe1f44b352
SHA1 hash: 14bb56656211280ec7ccc3820693ca48ebc2fa02
MD5 hash: 094b7022b1e763ab18589ac7f2acfe52
humanhash: nevada-spaghetti-friend-eleven
File name:SecuriteInfo.com.W32.AIDetectNet.01.15886.21464
Download: download sample
Signature Formbook
File size:42'496 bytes
First seen:2022-06-14 15:48:02 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 768:X4ixsUe3RasbkM7ltZTl9Nf7oSFYwQjXvLWRgcL0ST8iNxy2j:X4iSrb5Flf97QWRgcL9HNxvj
TLSH T1CB13AD17B6ACC6D5D124867B98D3EA0803F0D5338812DB5E7CA113EA7C133E6DA4E6A5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.15886.21464
Verdict:
Malicious activity
Analysis date:
2022-06-14 19:14:00 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending an HTTP GET request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645573 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 8 other signatures 2->67 10 SecuriteInfo.com.W32.AIDetectNet.01.15886.exe 15 7 2->10         started        process3 dnsIp4 53 toesbv.ga 192.185.174.189, 49771, 80 UNIFIEDLAYER-AS-1US United States 10->53 45 C:\Users\user\AppData\...\Wncbkmkui.exe, PE32 10->45 dropped 47 C:\Users\...\Wncbkmkui.exe:Zone.Identifier, ASCII 10->47 dropped 49 SecuriteInfo.com.W...et.01.15886.exe.log, ASCII 10->49 dropped 71 Creates an undocumented autostart registry key 10->71 73 Writes to foreign memory regions 10->73 75 Injects a PE file into a foreign processes 10->75 15 MSBuild.exe 10->15         started        18 MSBuild.exe 10->18         started        20 cmd.exe 1 10->20         started        22 powershell.exe 15 10->22         started        file5 signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 24 explorer.exe 15->24 injected 85 Tries to detect virtualization through RDTSC time measurements 18->85 27 conhost.exe 20->27         started        29 timeout.exe 1 20->29         started        31 conhost.exe 22->31         started        process9 signatures10 69 Uses ipconfig to lookup or modify the Windows network settings 24->69 33 ipconfig.exe 24->33         started        process11 signatures12 55 Modifies the context of a thread in another process (thread injection) 33->55 57 Maps a DLL or memory area into another process 33->57 59 Tries to detect virtualization through RDTSC time measurements 33->59 36 cmd.exe 1 33->36         started        38 explorer.exe 33->38         started        41 explorer.exe 1 98 33->41         started        process13 dnsIp14 43 conhost.exe 36->43         started        51 192.168.2.1 unknown unknown 38->51 process15
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-14 13:18:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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:
8b02875426e9b8b7074487c959a5220399e4c965f5bac608d9a65b66f4d62c71
MD5 hash:
094b7022b1e763ab18589ac7f2acfe52
SHA1 hash:
14bb56656211280ec7ccc3820693ca48ebc2fa02
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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.

Web download

Formbook

Executable exe 8b02875426e9b8b7074487c959a5220399e4c965f5bac608d9a65b66f4d62c71

(this sample)

  
Delivery method
Distributed via web download

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