MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b3400df5cde1ae7cb0fd19326152d173f6a43cfc7864355f047232dd7f53df0. 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 3 File information Comments

SHA256 hash: 8b3400df5cde1ae7cb0fd19326152d173f6a43cfc7864355f047232dd7f53df0
SHA3-384 hash: 7690ef24871d141e9de94fe1df0b4eca56d2cdf0dfdd6c099a4d1f616c1e4aab04b8e407d6d5387ae7ce48b3292e8c67
SHA1 hash: f76bf1e5c1de7549f61dda35fa58bcffb9cd723a
MD5 hash: 6356f0da135b950d56394d8d709fd1a7
humanhash: carbon-mobile-missouri-green
File name:Ödeme Onayı.exe
Download: download sample
Signature Formbook
File size:714'752 bytes
First seen:2022-06-21 10:52:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:NqvsSnEWEHDdWNvxeSM0+WHeYggMhrfoPPOF/qwk6rrhuBAgQGhE:kvzEHDd0EnWHVwLFo6QBWG
TLSH T1EBE401F19EF4B966E13425737064A03C33D76E1DD866E439C6CBF04A30A2AC165E5E2B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Launching cmd.exe command interpreter
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649516 Sample: #U00d6deme Onay#U0131.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 41 www.actsaka.xyz 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 9 other signatures 2->49 11 #U00d6deme Onay#U0131.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\sPULfB.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp6117.tmp, XML 11->37 dropped 39 C:\Users\...\#U00d6deme Onay#U0131.exe.log, ASCII 11->39 dropped 51 Writes to foreign memory regions 11->51 53 Adds a directory exclusion to Windows Defender 11->53 55 Injects a PE file into a foreign processes 11->55 15 RegSvcs.exe 11->15         started        18 powershell.exe 19 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 svchost.exe 22->28         started        signatures11 57 Modifies the context of a thread in another process (thread injection) 28->57 59 Maps a DLL or memory area into another process 28->59 61 Tries to detect virtualization through RDTSC time measurements 28->61 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-21 07:20:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 40 (55.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:de08 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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:
3f78f0ffadf4d713bbf5893516266f1528159c5f76d2b0c004162c3c76ca1684
MD5 hash:
035b80025b80603c2338447c8f9deae9
SHA1 hash:
99cd99c2d63e71c6e0d389b8ec0734d4b98c0e72
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6ab6fcbc605f3c82cb5e82e81d0543f30a5887d153d9c09de580f839e725a383
MD5 hash:
69d0b596fe4fc5ae086bfbab3e8914b3
SHA1 hash:
ddfc71cb06135a5b75b2c84ac9a2b0e9ccbb7f37
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
39fd7356ab03fbf664926aea7e5a15408f854aebafb7c7319fbe133425d47145
MD5 hash:
751d6a559cbf6a12f998b5c55873c204
SHA1 hash:
522a6a9162e83ebaaacbd1aaff19ddf9fc6fe7fe
SH256 hash:
8b3400df5cde1ae7cb0fd19326152d173f6a43cfc7864355f047232dd7f53df0
MD5 hash:
6356f0da135b950d56394d8d709fd1a7
SHA1 hash:
f76bf1e5c1de7549f61dda35fa58bcffb9cd723a
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.

Comments