MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 659e83e55702067d1a62f082238c752daf8b35e7eb66454cafb47b6618610009. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 659e83e55702067d1a62f082238c752daf8b35e7eb66454cafb47b6618610009
SHA3-384 hash: 4beb9ebda726cedf1566bb9b0fe8cd4fd364df1e52b8ca07fb314de2426abb8c258e04c5bfa0b37ce90ea5eee5422012
SHA1 hash: e695991366ac0016e53a027ae72944a96e11410f
MD5 hash: d1f47fde475a365160c90907b192f5fe
humanhash: princess-yellow-king-lamp
File name:d1f47fde475a365160c90907b192f5fe.exe
Download: download sample
Signature Formbook
File size:772'096 bytes
First seen:2022-06-27 08:52:44 UTC
Last seen:2022-06-27 10:03:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:32vfKjF3Y/6qFd3rsE7cmqD+vwSabt0O2oKjzl0wUcnHZ25:32vfKx3Y/66siNYSapl2oKnl0wfHZ2
TLSH T1A8F49E232B043AC3C43C65768251B58063F2E6DFA36DEA4ABE5631C623B37415FB658D
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 98a4ba8e969686a6 (3 x Formbook, 3 x AgentTesla, 2 x njrat)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
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 dnsIp2 2 Behavior Graph ID: 652763 Sample: 4x6r0lZ9xV.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 32 www.reelincraftydesigns.com 2->32 34 shops.myshopify.com 2->34 36 reelincraftydesigns.myshopify.com 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 4 other signatures 2->58 11 4x6r0lZ9xV.exe 15 3 2->11         started        signatures3 process4 dnsIp5 42 www.google.com 142.250.185.100, 443, 49735 GOOGLEUS United States 11->42 30 C:\Users\user\AppData\...\4x6r0lZ9xV.exe.log, ASCII 11->30 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->70 72 Injects a PE file into a foreign processes 11->72 16 4x6r0lZ9xV.exe 11->16         started        file6 signatures7 process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 16->44 46 Maps a DLL or memory area into another process 16->46 48 Sample uses process hollowing technique 16->48 50 Queues an APC in another process (thread injection) 16->50 19 explorer.exe 16->19 injected process10 dnsIp11 38 www.ztgifts.com 74.208.236.218, 49783, 80 ONEANDONE-ASBrauerstrasse48DE United States 19->38 40 www.winokio.com 19->40 60 System process connects to network (likely due to code injection or exploit) 19->60 23 cmd.exe 19->23         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64 66 Tries to detect virtualization through RDTSC time measurements 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 05:12:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ip4t loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
659e83e55702067d1a62f082238c752daf8b35e7eb66454cafb47b6618610009
MD5 hash:
d1f47fde475a365160c90907b192f5fe
SHA1 hash:
e695991366ac0016e53a027ae72944a96e11410f
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.

Web download

Formbook

Executable exe 659e83e55702067d1a62f082238c752daf8b35e7eb66454cafb47b6618610009

(this sample)

  
Delivery method
Distributed via web download

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