MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments 1

SHA256 hash: ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
SHA3-384 hash: 6bf188f8b6e59e1b60e406ccc6fbcec8574667ed45076f977bb2ef40cd4957063eebed40f7a79cbd0c0532363a078e16
SHA1 hash: 3fef1cb454c1760936795c94f4504bf0f9ee00ba
MD5 hash: 70c2bfb3dd7b6467020e6ca5d7f037a3
humanhash: autumn-lactose-mango-arkansas
File name:70c2bfb3dd7b6467020e6ca5d7f037a3
Download: download sample
Signature Formbook
File size:348'698 bytes
First seen:2023-01-25 21:29:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6TI+l4BN5yJ4PE7baks7hlP/WUC7NRXTLYaJqSSFvVDzqFGcGn13:vYB4BN4+87baF7XGUERjLYaJqXQGcGnN
TLSH T1AA74131672B08077D8F34231DA3E5B073EE5922864E7CB678391ABEDBD67592840D326
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
70c2bfb3dd7b6467020e6ca5d7f037a3
Verdict:
Malicious activity
Analysis date:
2023-01-25 21:33:48 UTC
Tags:
formbook xloader trojan stealer

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
Searching for synchronization primitives
Launching cmd.exe command interpreter
Сreating synchronization primitives
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
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:
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
Detected unpacking (changes PE section rights)
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 dropped file
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 791840 Sample: WtYuZxarHK.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 40 www.felue.com 2->40 42 659875.parkingcrew.net 2->42 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 4 other signatures 2->64 12 WtYuZxarHK.exe 19 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\tfqctjcgqi.exe, PE32 12->36 dropped 38 C:\Users\user\AppData\Local\...\nsq5BEB.tmp, DOS 12->38 dropped 15 tfqctjcgqi.exe 12->15         started        process6 signatures7 76 Multi AV Scanner detection for dropped file 15->76 78 Detected unpacking (changes PE section rights) 15->78 80 Maps a DLL or memory area into another process 15->80 82 Tries to detect virtualization through RDTSC time measurements 15->82 18 tfqctjcgqi.exe 15->18         started        process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 21 explorer.exe 4 6 18->21 injected process10 dnsIp11 44 name.shoplazza.store 104.18.128.14, 49697, 80 CLOUDFLARENETUS United States 21->44 46 www.informationdata16376.com 21->46 48 2 other IPs or domains 21->48 66 System process connects to network (likely due to code injection or exploit) 21->66 68 Uses netsh to modify the Windows network and firewall settings 21->68 25 netsh.exe 21->25         started        28 autofmt.exe 21->28         started        30 autofmt.exe 21->30         started        signatures12 process13 signatures14 70 Modifies the context of a thread in another process (thread injection) 25->70 72 Maps a DLL or memory area into another process 25->72 74 Tries to detect virtualization through RDTSC time measurements 25->74 32 cmd.exe 1 25->32         started        process15 process16 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-25 21:30:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:w12e rat spyware stealer trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
9a074635bf9b3ff68c5e06e69a8a50538d753edfba99eb9ab9daf67c7bc2f504
MD5 hash:
a3a5342dc14b3a616bf978c7ceb71628
SHA1 hash:
d05bf9adf9a0c1dd454cff6391396b23f9ccf8c9
SH256 hash:
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
MD5 hash:
70c2bfb3dd7b6467020e6ca5d7f037a3
SHA1 hash:
3fef1cb454c1760936795c94f4504bf0f9ee00ba
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: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.

File information


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

Web download

Formbook

Executable exe ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-25 21:29:16 UTC

url : hxxp://104.168.46.125/fresh/file.exe