MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7211851b3d55127776d0ddb7f8da0847bc8a453b86015bc4d21f7298cdf6a265. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments 1

SHA256 hash: 7211851b3d55127776d0ddb7f8da0847bc8a453b86015bc4d21f7298cdf6a265
SHA3-384 hash: 026b95a8ca8af187307e8d828182269a568c18f8be786c23b7587a6c83be9f0cc1bcc90508584e0610a0c09ca69ea02d
SHA1 hash: 756912267d05cb2fc418573ed1e4e9d07cefb519
MD5 hash: 17f6df036368cca2f2edf4b44295bb02
humanhash: virginia-october-friend-tennessee
File name:17f6df036368cca2f2edf4b44295bb02
Download: download sample
Signature Formbook
File size:392'170 bytes
First seen:2023-02-20 08:17:34 UTC
Last seen:2023-02-20 09:36:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:AYa6t6QihHpG3dXjT05qGJuheeiCJjvNoe+GKVJHCpY4W+GOnuuSh9FJkgNhz:AYn6/G9m8dFvPqHCA+vuuSh9fDhz
TLSH T15C84120A70E4D422E4B106722D3AEB7F55BDBD119CA4654B3BD03F9F3538681CA0E762
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
MBL OBD-COAU7243048140.doc
Verdict:
Malicious activity
Analysis date:
2023-02-20 07:08:04 UTC
Tags:
exploit cve-2017-11882 loader 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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Sending a custom TCP request
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
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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
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: 811837 Sample: wQgz3XgUTu.exe Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 3 other signatures 2->55 11 wQgz3XgUTu.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\...\vwemxlrzmm.exe, PE32 11->33 dropped 14 vwemxlrzmm.exe 1 11->14         started        process5 signatures6 65 Antivirus detection for dropped file 14->65 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 vwemxlrzmm.exe 14->17         started        20 conhost.exe 14->20         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 22 explorer.exe 4 1 17->22 injected process9 dnsIp10 35 www.abovetheaverageent.com 199.34.228.74, 49697, 80 WEEBLYUS United States 22->35 37 www.panthersoftball.com 188.114.96.3, 49699, 80 CLOUDFLARENETUS European Union 22->37 39 2 other IPs or domains 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 26 explorer.exe 22->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2023-02-20 07:53:16 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sk29 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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
3da210dd5ab7da150a37bc9f989c74044033d805ac0df1f8500e2ad799762596
MD5 hash:
09569eb3d80c994d53ed1433d1d85c5c
SHA1 hash:
f6812785302261af37233da636b5bbde37d91d33
SH256 hash:
7211851b3d55127776d0ddb7f8da0847bc8a453b86015bc4d21f7298cdf6a265
MD5 hash:
17f6df036368cca2f2edf4b44295bb02
SHA1 hash:
756912267d05cb2fc418573ed1e4e9d07cefb519
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.
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 7211851b3d55127776d0ddb7f8da0847bc8a453b86015bc4d21f7298cdf6a265

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-02-20 08:17:37 UTC

url : hxxp://worldjetmachine.com/sheiform2.1.exe