MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7421357a93e7c44d80dd1fca3c0359e23b98c590722ef09ee940766fb5252fdf. 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: 7421357a93e7c44d80dd1fca3c0359e23b98c590722ef09ee940766fb5252fdf
SHA3-384 hash: f7d9800e31d66b043cc52dcacd03218bd3ce42bc1510aae2a1f681d03852e1afcb4d651287d3d8c86bba4d7a45b72881
SHA1 hash: 78ac8c79fad1cdeb2e82271aeb30f4bb78b53c3f
MD5 hash: f1e69f2fec2316eed1102cec058d045e
humanhash: uniform-aspen-shade-spaghetti
File name:swift_ref00056.exe
Download: download sample
Signature Formbook
File size:281'158 bytes
First seen:2023-02-22 12:23:28 UTC
Last seen:2023-02-22 13:52:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6Uo5yzkwz5w48T7kfpXHuOuAWCBTHPjFeqFW02apU:vY6o5yzjwnornBdeQUH
Threatray 2'137 similar samples on MalwareBazaar
TLSH T1D65413113181C0ABF4A58AB2AD7F296BCBFF94230C568A5727505E8D7C79982DD0E373
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 pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
209
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
swift_ref00056.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 12:26:07 UTC
Tags:
trojan formbook 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
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813377 Sample: swift_ref00056.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 9 swift_ref00056.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\qkyetu.exe, PE32 9->27 dropped 12 qkyetu.exe 1 9->12         started        process5 signatures6 55 Detected unpacking (changes PE section rights) 12->55 57 Maps a DLL or memory area into another process 12->57 15 qkyetu.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 4 6 15->20 injected process9 dnsIp10 29 44yyds.com 137.59.148.248, 49774, 49775, 49776 PUBLIC-DOMAIN-REGISTRYUS India 20->29 31 www.redystedy.com 74.208.236.228, 49757, 49758, 49759 ONEANDONE-ASBrauerstrasse48DE United States 20->31 33 7 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 45 Uses ipconfig to lookup or modify the Windows network settings 20->45 24 ipconfig.exe 13 20->24         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 24->47 49 Tries to harvest and steal browser information (history, passwords, etc) 24->49 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-22 12:24:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
57a789d9eced7af425fe7e2b76976d952703bf9af88ed407d0a3d0b813550c3f
MD5 hash:
7ac4af53ccbc5876390e25026ef18d21
SHA1 hash:
79fec9cb6f343262f68ced8f8dea9ac22152333b
SH256 hash:
7421357a93e7c44d80dd1fca3c0359e23b98c590722ef09ee940766fb5252fdf
MD5 hash:
f1e69f2fec2316eed1102cec058d045e
SHA1 hash:
78ac8c79fad1cdeb2e82271aeb30f4bb78b53c3f
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.

Comments