MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bece1a915a3849979795cea77094ccf1c1bc8d93b33ef05a84c8d56988c2816. 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 1 File information Comments 1

SHA256 hash: 9bece1a915a3849979795cea77094ccf1c1bc8d93b33ef05a84c8d56988c2816
SHA3-384 hash: c7e31fe451f84bbf7097161a67c8d52c1663465d3f313f52f1a9047521b97e3d9733b15ee60e52d8ba4ea0af62afb5f7
SHA1 hash: 9c5a2f5dc83500755c16f4facc98fbf5efc8a1d8
MD5 hash: 7a71fc7a13b8b4cc509aa9f238e80dbf
humanhash: mountain-football-white-beryllium
File name:7a71fc7a13b8b4cc509aa9f238e80dbf
Download: download sample
Signature Formbook
File size:299'509 bytes
First seen:2022-02-11 11:27:22 UTC
Last seen:2022-02-11 14:10:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owGzJb8B5lnBewFpdUgDBaCWbmxPZ0dZYvzRdPHJv/AGJ:YuB5lnrFpSgQ+PZ0OFdPpvom
Threatray 13'345 similar samples on MalwareBazaar
TLSH T17954120DB4C9D4E3E5248935693396A3D3BD18431EF02DAF6F384D2FEE210E676160A2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570711 Sample: s1IJcvldbE Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 5 other signatures 2->53 11 s1IJcvldbE.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\btodu.exe, PE32 11->31 dropped 14 btodu.exe 11->14         started        process5 signatures6 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->63 65 Tries to detect virtualization through RDTSC time measurements 14->65 67 Injects a PE file into a foreign processes 14->67 17 btodu.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 printableminis.com 192.254.190.32, 49697, 80 UNIFIEDLAYER-AS-1US United States 20->33 35 shops.myshopify.com 23.227.38.74, 49696, 80 CLOUDFLARENETUS Canada 20->35 37 2 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 msdt.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-02-11 10:42:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
28 of 42 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:by73 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
7bad064ad7d16f573b7b79be3786e1b352f6346714ad597cc8c134a6eaee1a50
MD5 hash:
7040b1210e3f9ebe613c61243a6b5870
SHA1 hash:
790d96e39f125371b2e2669b9a8de97aac354f5d
SH256 hash:
9bece1a915a3849979795cea77094ccf1c1bc8d93b33ef05a84c8d56988c2816
MD5 hash:
7a71fc7a13b8b4cc509aa9f238e80dbf
SHA1 hash:
9c5a2f5dc83500755c16f4facc98fbf5efc8a1d8
Malware family:
FormBook
Verdict:
Malicious
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:exec_macros
Author:ddvvmmzz
Description:exec macros

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 9bece1a915a3849979795cea77094ccf1c1bc8d93b33ef05a84c8d56988c2816

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-02-11 11:27:23 UTC

url : hxxp://107.174.138.158/799/vbc.exe