MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
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SHA256 hash: af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb
SHA3-384 hash: 45d2ab43503ab14f8b745e5fae070af0e7690a8243209ced31417347d83b61f3bfcc18bc4bb654f7ae3b49d543ed3d09
SHA1 hash: 284621e44eb7a74ca07361daafc296aba2ad4b31
MD5 hash: 3d2bfc7b6c1f62acb7c31e899e385008
humanhash: alabama-louisiana-mexico-early
File name:RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'124'988 bytes
First seen:2023-07-27 13:42:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (430 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 24576:NTbBv5rUanMHMkUlRbK5j92qmNBf+sLvgWP/FM+7:HBjLXlRm92Xv/Lo0/J7
TLSH T125351202FAC198B2D4B31E365A75AA21A93EB9201FB5CEDF67D04A1CDD315C0D7313A6
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-27 13:44:07 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/5900eb4f-5508-4c82-99da-d355d8c41fed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/434875/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd evasive greyware lolbin overlay packed replace setupapi shdocvw shell32 wscript wscript
Link:
https://www.filescan.io/uploads/64c274674e8e3d763475df48/reports/d30dfc98-6502-4db5-926f-0fa349b5a6c9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c0a21302-6b03-49e1-ad9b-b6b7f3d400ab
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1281196
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Starts an encoded Visual Basic Script (VBE)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1281196 Sample: RFQ.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 3 other signatures 2->59 10 RFQ.exe 68 2->10         started        process3 file4 51 C:\Users\user\AppData\...\vwgejkpncb.exe, PE32 10->51 dropped 71 Starts an encoded Visual Basic Script (VBE) 10->71 14 wscript.exe 1 10->14         started        signatures5 process6 process7 16 cmd.exe 1 14->16         started        18 cmd.exe 1 14->18         started        21 cmd.exe 1 14->21         started        signatures8 23 vwgejkpncb.exe 1 66 16->23         started        27 conhost.exe 16->27         started        61 Uses ipconfig to lookup or modify the Windows network settings 18->61 29 conhost.exe 18->29         started        31 ipconfig.exe 1 18->31         started        33 conhost.exe 21->33         started        35 ipconfig.exe 1 21->35         started        process9 file10 43 C:\Users\user\AppData\...\vwgejkpncb.exe.exe, PE32 23->43 dropped 45 C:\Users\user\AppData\...\vwgejkpncb.exe, PE32 23->45 dropped 47 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 23->47 dropped 49 C:\Users\user\AppData\...\vwgejkpncb.exe.exe, PE32 23->49 dropped 63 Multi AV Scanner detection for dropped file 23->63 65 Writes to foreign memory regions 23->65 67 Allocates memory in foreign processes 23->67 69 Injects a PE file into a foreign processes 23->69 37 RegSvcs.exe 23->37         started        39 RegSvcs.exe 23->39         started        signatures11 process12 process13 41 WerFault.exe 37->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-27 08:28:36 UTC
File Type:
PE (Exe)
Extracted files:
93
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5xlbvccbqo7ojnmmc5mn2sljgijtz2rslmqo676dcf5eqctmh5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230727-qz8r5sfe4x/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb
MD5 hash:
3d2bfc7b6c1f62acb7c31e899e385008
SHA1 hash:
284621e44eb7a74ca07361daafc296aba2ad4b31
Link:
https://www.unpac.me/results/ca74d299-fe77-48c1-9893-aae415de59be/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af6eb0d4420c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/af6eb0d4420c1df725ac60bac6ea4b499099e75192d9077bfe188bd2405361fb

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/434875/

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