MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
SHA3-384 hash: ddbfd2aaba624d36d3e873a57482f545278f5928e9bf813d50ba638184de4493ba24cc20198fe6a404ee7b2bf58ff929
SHA1 hash: ff8e094e34861928dcdd1d8462cdde9536427f2f
MD5 hash: aa368466970cf7d1b4cabe8acc08784c
humanhash: potato-mississippi-green-jersey
File name:Quotation.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:847'872 bytes
First seen:2024-08-28 10:17:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:68CUU3gfXzNFTMY8ZEcG+yQW36oeGh0RoSt+Cwo:jPrMY8ZEv+eXeoSt+Cw
Threatray 2'001 similar samples on MalwareBazaar
TLSH T1CA0512587619D616CCA1ABB81AB1F3B4277C6E9EAC02E3079ED9BDDFBC25B050D50043
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 70d8a6c48eb2e070 (6 x RedLineStealer, 2 x SnakeKeylogger, 2 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QuarantineMessage (7).zip
Verdict:
Suspicious activity
Analysis date:
2024-08-28 05:55:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3183edd-f8e5-4f60-81dd-537bf0cf23cd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.35.12482.20864.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cef972f1a57bfb70912d2c
Tags:
Execution Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66cef9691c7fd2cfb705d8df/reports/87cddc23-f77c-4fb2-acb0-c151b0b176ad/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ee62f990-ff4d-4aef-bc1a-3e14e433e5de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500404
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1500404 Sample: Quotation.bat.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 7 other signatures 2->50 7 Quotation.bat.exe 7 2->7         started        11 tFptwusVSqes.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\tFptwusVSqes.exe, PE32 7->36 dropped 38 C:\Users\...\tFptwusVSqes.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpAE3F.tmp, XML 7->40 dropped 42 C:\Users\user\...\Quotation.bat.exe.log, ASCII 7->42 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 powershell.exe 23 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        20 Quotation.bat.exe 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 schtasks.exe 1 11->22         started        24 tFptwusVSqes.exe 11->24         started        signatures5 process6 signatures7 62 Loading BitLocker PowerShell Module 13->62 26 conhost.exe 13->26         started        28 WmiPrvSE.exe 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-08-27 10:13:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5kjnypnvupydego63miahh6t4hrsbrzcmrq4qj6peeynmheogca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
38b99c72a1425d5c991eadbb2630e00c01b1a37edf7de6a939c76e601c691667
Formbook
4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
Formbook
7945ab65ff11a8dfe0222746cb2a8dd6feab5428106b0900aee2d695254fbf50
Formbook
8c8cad5c12f471f42d5992e71bd32478aedb40af922b03ef4920047012c04d1f
Formbook
dbbe44a73528de0f741edc23e20665e27678fa3a966df5409f3cf4e86c3277ed
Formbook
+ 1'991 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240828-mby19awemm/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b98c6a1f-aad0-4b59-936e-cc3bc75c12ff
Unpacked files
SH256 hash:
b4600f40f387e47855cddad0dea0655127265e858eac3973b0b75fdec80c2de9
MD5 hash:
c10bfd3d3092346d8eacd8c62c61d32d
SHA1 hash:
65d8da143e5d1a2513bde3c77778c6f76a10b7c4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
SH256 hash:
627e8372b1b86c0678ad08eb8bec11837ce77d444ee9f7456c6335c921f9ae74
MD5 hash:
239e2b1280bce257aa4225e24dc004fd
SHA1 hash:
4184ba3842e5911796120ca38f20fc21b808ef9b
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
SH256 hash:
049b17140824c6f9d8c08d884a7245a9e77a511c49cdc2c73553ff1ccc406936
MD5 hash:
640b08fa75d07bc550367bda8505e091
SHA1 hash:
f84eff92502a0ebfd52cce047e35c8e0c472f0f2
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
SH256 hash:
0a539594c001fbb1c0772019839689f2604194948492c735bd33b97ab5fc78ca
MD5 hash:
757910680926bd91fe296f488928c26b
SHA1 hash:
212f96374ee80eabdcb8d3c6b12571d34d9ba8e9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
SH256 hash:
ffe74548548f271a751c06bfe26acdad559e1fb8b037d2c33122523bd0ce98ca
MD5 hash:
07e8efbbf2f7e1c70424c2ef83f42e00
SHA1 hash:
d55d8fe5ba8d9a74ecf111ca8d3a49089890d830
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
SH256 hash:
4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
MD5 hash:
aa368466970cf7d1b4cabe8acc08784c
SHA1 hash:
ff8e094e34861928dcdd1d8462cdde9536427f2f
Link:
https://www.unpac.me/results/ea757afc-d271-47b4-8447-ed2f8b7bcea7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f5496e1edad/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/4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments