MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c0001a9cfd20743c3bf08640859d90142456096612d035fde79ef2923ad45e0. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments 1

SHA256 hash: 3c0001a9cfd20743c3bf08640859d90142456096612d035fde79ef2923ad45e0
SHA3-384 hash: aff8c13d26d9b012b8ff4ce743bd17a87140b85e17d99bca3e198ca6a46093f993e249422672f18bb3f9ca205ecc4f4c
SHA1 hash: f8e3662022c1ea4e63e02c3dc57f4e14a09c78b0
MD5 hash: 39e45deeb4d63437eeacf4c1ceac450f
humanhash: sodium-network-triple-florida
File name:39e45deeb4d63437eeacf4c1ceac450f
Download: download sample
Signature Formbook
File size:284'976 bytes
First seen:2023-04-14 11:27:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:+Ya6idX9//p/Hp8sE9CCNbvp+vJgV96tp/mXVjASCRV9x5uSCBYm:+Yo1JXEgCBv4Kqtp+XSRH9Hjm
Threatray 2'717 similar samples on MalwareBazaar
TLSH T1545402113580C036DC621BB11F2A0A729FB9EE6517B2AB4F47817F0C6D7B6817E2A713
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 98a2a6a08383a200 (9 x RemcosRAT, 3 x Formbook, 1 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new list.xls
Verdict:
Malicious activity
Analysis date:
2023-04-14 10:17:36 UTC
Tags:
exploit cve-2017-11882 opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Reading critical registry keys
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos 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 / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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
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: 846803 Sample: uy6tRdVq5F.exe Startdate: 14/04/2023 Architecture: WINDOWS Score: 100 33 www.exupdeserb.info 2->33 35 www.dabopixel.com 2->35 37 dabopixel.com 2->37 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 6 other signatures 2->57 11 uy6tRdVq5F.exe 19 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\uqvltna.exe, PE32 11->31 dropped 14 uqvltna.exe 11->14         started        process6 signatures7 67 Detected unpacking (changes PE section rights) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Tries to detect virtualization through RDTSC time measurements 14->71 17 uqvltna.exe 14->17         started        20 conhost.exe 14->20         started        process8 signatures9 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 22 explorer.exe 2 1 17->22 injected process10 dnsIp11 39 www.beautyby-eve.com 103.112.163.50, 49697, 80 IDNIC-CLOUDTEKNOLOGI-AS-IDCloudTeknologiNusantaraCVID Indonesia 22->39 41 www.exupdeserb.info 198.55.122.159, 80 ASN-QUADRANET-GLOBALUS United States 22->41 59 System process connects to network (likely due to code injection or exploit) 22->59 26 raserver.exe 22->26         started        signatures12 process13 signatures14 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process15
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2023-04-14 11:28:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hs95 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
83bcf419c847f65e877c951b09582457d8b41bcea9ae7f45972703b082ee8cb0
MD5 hash:
54841a158a44ed5508b9c6431dc3c127
SHA1 hash:
4e3b2494d6d9bfc323cb02191590150266765c52
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
648d2680f65eee3c6710450a5f9fd96bdff2bff3bf1fcab504373e2d749c26f6
MD5 hash:
b7c11fdc869c28d719475959db119b4a
SHA1 hash:
2e87a7410a816d7914d4d16aec50abb2937e1876
SH256 hash:
3c0001a9cfd20743c3bf08640859d90142456096612d035fde79ef2923ad45e0
MD5 hash:
39e45deeb4d63437eeacf4c1ceac450f
SHA1 hash:
f8e3662022c1ea4e63e02c3dc57f4e14a09c78b0
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe 3c0001a9cfd20743c3bf08640859d90142456096612d035fde79ef2923ad45e0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-14 11:27:29 UTC

url : hxxp://52.41.71.133/ben/bena.exe