MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b7ef1e2d62174bd8dc71fd5421239414f5aa76106232715caec9ebf054b6ce4. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 0b7ef1e2d62174bd8dc71fd5421239414f5aa76106232715caec9ebf054b6ce4
SHA3-384 hash: 5e9558534ea3da53d448a69639a9308149f1b0295bc142e0049427a6c17881f70b38ff9c6edcdc312cd28f6c8ac9b96c
SHA1 hash: 0d4b81dfcd50ccf1be068661e1afbbf8eee34fd3
MD5 hash: 43d334e0dd241375e672869ab1c8cc61
humanhash: hamper-oscar-shade-september
File name:boy.exe.vir
Download: download sample
Signature Formbook
File size:41'984 bytes
First seen:2022-06-21 17:35:56 UTC
Last seen:2022-07-14 05:58:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:t+gZvKabuB3m9Nf7oSFYwQjXvLWRgcL0ST8iNxy2S:LLuB3mf97QWRgcL9HNxvS
TLSH T1B513BF56E67EC63DD564067F9A63FA010B71A3624C22C22E5C8425B56C33F60F6C6F3A
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 KdssSupport
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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 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
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649845 Sample: boy.exe.vir Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 40 www.ensregistrations.com 2->40 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 12 other signatures 2->60 11 boy.exe.exe 15 7 2->11         started        signatures3 process4 dnsIp5 42 gen-l.tk 192.185.174.180, 49712, 80 UNIFIEDLAYER-AS-1US United States 11->42 44 192.168.2.1 unknown unknown 11->44 34 C:\Users\user\AppData\...\Hcuoyzvvq.exe, PE32 11->34 dropped 36 C:\Users\...\Hcuoyzvvq.exe:Zone.Identifier, ASCII 11->36 dropped 38 C:\Users\user\AppData\...\boy.exe.exe.log, ASCII 11->38 dropped 68 Creates an undocumented autostart registry key 11->68 16 MSBuild.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 2 other signatures 16->52 21 explorer.exe 16->21 injected 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started        process10 process11 27 systray.exe 21->27         started        signatures12 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-21 17:36:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ao25 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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:
0b7ef1e2d62174bd8dc71fd5421239414f5aa76106232715caec9ebf054b6ce4
MD5 hash:
43d334e0dd241375e672869ab1c8cc61
SHA1 hash:
0d4b81dfcd50ccf1be068661e1afbbf8eee34fd3
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:meth_get_eip
Author:Willi Ballenthin
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 0b7ef1e2d62174bd8dc71fd5421239414f5aa76106232715caec9ebf054b6ce4

(this sample)

  
Delivery method
Distributed via web download

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