MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7eb67be31871fe9316bbb2ba993b6dfd13cb9e7e04a2e1091b934746399e5293. 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 5 File information Comments 1

SHA256 hash: 7eb67be31871fe9316bbb2ba993b6dfd13cb9e7e04a2e1091b934746399e5293
SHA3-384 hash: c1cda207ce31a4b09f5a3bc7ac5c904ee22bb723729849342d8bc107cedeec0b5e47651da16c4118fe5895e33c044a95
SHA1 hash: c374934cf78e71069fc628de57b3ea15fff4c36c
MD5 hash: e17b0be6e0c42a0c39c5da63523af8d8
humanhash: glucose-nebraska-lamp-violet
File name:e17b0be6e0c42a0c39c5da63523af8d8
Download: download sample
Signature Formbook
File size:543'637 bytes
First seen:2022-12-09 20:02:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:ukwxeWkEM+08FjAOpwh0eEnt4KHz/aOfL40QfkhzJtnXXXdxspXEWYUPwH:IHM+bsOpwh0lnt4NgIMhz3nHXTsmoPwH
TLSH T185C407E4DB7B6CA6D8D35E31B4526110C215CC8FA642C091293CA67BEE29CCEF535C9E
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 70f0d4ccccccf071 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 764405 Sample: vrM4PH0iUY.exe Startdate: 09/12/2022 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 4 other signatures 2->55 11 vrM4PH0iUY.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\myxwn.exe, PE32 11->33 dropped 14 myxwn.exe 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 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 myxwn.exe 14->17         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 dnsIp10 35 www.taiguszab.online 91.195.240.94, 49722, 80 SEDO-ASDE Germany 20->35 37 oldartists.best 45.95.40.76, 80 ASLINE-AS-APASLINELIMITEDHK Poland 20->37 39 2 other IPs or domains 20->39 57 System process connects to network (likely due to code injection or exploit) 20->57 24 chkdsk.exe 20->24         started        27 autofmt.exe 20->27         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-12-09 13:56:27 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cobaltstrike
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wh23 rat spyware stealer trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d3b90886c3272c1c6c8f62c52a758a21723f9aea3019388a1916599f910cc067
MD5 hash:
bb0e6ad2fd91d71ee7a18f807485b92a
SHA1 hash:
72a6b5c2ac2deafc1e916679fafc9f83024e64ef
SH256 hash:
7eb67be31871fe9316bbb2ba993b6dfd13cb9e7e04a2e1091b934746399e5293
MD5 hash:
e17b0be6e0c42a0c39c5da63523af8d8
SHA1 hash:
c374934cf78e71069fc628de57b3ea15fff4c36c
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: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 7eb67be31871fe9316bbb2ba993b6dfd13cb9e7e04a2e1091b934746399e5293

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-12-09 20:02:33 UTC

url : hxxps://www.avti.org.in/soso.exe