MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 32a70d3b6c2a40554037f062ea3e768888ca7c4f05b7e2b1f66f4acb05a67aa7. 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

SHA256 hash: 32a70d3b6c2a40554037f062ea3e768888ca7c4f05b7e2b1f66f4acb05a67aa7
SHA3-384 hash: 5b5d550a0a191b932907753157e8f56619091f0cb280f33fbdbbd057010dc7877c8e7571e7000abc97f772f029151bd4
SHA1 hash: 7ed0070478a6a65a18971ca0364635212c128367
MD5 hash: e4c1322e603225807fdc8da0bd5db805
humanhash: virginia-south-mockingbird-iowa
File name:file
Download: download sample
Signature Formbook
File size:375'871 bytes
First seen:2023-02-06 14:52:12 UTC
Last seen:2023-02-06 16:40:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:FYa6SU4VIXmDSvMDe3m1mYb4ecR8dVu9ZOLbkuX7arnhCuyaiBQYOqL8IgtO6Dz:FYkU4VumWvMDe3m1me4ehi9ZADGrhCIx
TLSH T1068423047B6DC8BBC96A8A326C3C69FB85B5E90124F4674B27E59F5CB8336C0C51D362
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 c6c6d494c4d4f400 (3 x Formbook)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 14:53:12 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 a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
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
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
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: 799515 Sample: file.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 35 www.owltoon.site 2->35 37 owltoon.site 2->37 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 5 other signatures 2->61 12 file.exe 19 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\Temp\krirt.exe, PE32 12->33 dropped 15 krirt.exe 12->15         started        process6 signatures7 71 Multi AV Scanner detection for dropped file 15->71 73 Maps a DLL or memory area into another process 15->73 75 Tries to detect virtualization through RDTSC time measurements 15->75 18 krirt.exe 15->18         started        process8 signatures9 47 Modifies the context of a thread in another process (thread injection) 18->47 49 Maps a DLL or memory area into another process 18->49 51 Sample uses process hollowing technique 18->51 53 Queues an APC in another process (thread injection) 18->53 21 explorer.exe 5 6 18->21 injected process10 dnsIp11 39 www.prvtg.top 154.91.85.23, 80 ITACE-AS-APItaceInternationalLimitedHK Seychelles 21->39 41 shops.myshopify.com 23.227.38.74, 49686, 80 CLOUDFLARENETUS Canada 21->41 43 3 other IPs or domains 21->43 63 System process connects to network (likely due to code injection or exploit) 21->63 25 cscript.exe 12 21->25         started        signatures12 process13 dnsIp14 45 www.prvtg.top 25->45 65 Modifies the context of a thread in another process (thread injection) 25->65 67 Maps a DLL or memory area into another process 25->67 69 Tries to detect virtualization through RDTSC time measurements 25->69 29 cmd.exe 1 25->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2023-02-06 14:53:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nes8 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
bbf69a81f6d239f240fdfd941e6a03c102a2088fcba4a8048a4bf05bda69b411
MD5 hash:
0b3e60b3afdb3d9d6f8bfbcc44c4e1fc
SHA1 hash:
25412d34826b7733dd4a1496367a33c2f2801096
SH256 hash:
32a70d3b6c2a40554037f062ea3e768888ca7c4f05b7e2b1f66f4acb05a67aa7
MD5 hash:
e4c1322e603225807fdc8da0bd5db805
SHA1 hash:
7ed0070478a6a65a18971ca0364635212c128367
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: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 32a70d3b6c2a40554037f062ea3e768888ca7c4f05b7e2b1f66f4acb05a67aa7

(this sample)

  
Delivery method
Distributed via web download

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