MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8009537157f48a8559a3fcb5eff71cd04322882a5d491405f80848d103474752. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 8009537157f48a8559a3fcb5eff71cd04322882a5d491405f80848d103474752
SHA3-384 hash: b167e90ec6a23218586431156a3d27302fdf84842f50067b292daa1c0a83485f5d002cba93d295cbc70fb9fb5728e244
SHA1 hash: ef18f1344c6b3a4e860ce5faa9d4f175d75f12e3
MD5 hash: 54ca79e1e4c978d1cd3a1d31177c7006
humanhash: april-island-single-east
File name:Arakangroup_Invoice_for_NewOrder_dated12042024.exe
Download: download sample
Signature Formbook
File size:29'696 bytes
First seen:2024-04-22 10:46:46 UTC
Last seen:2024-04-23 12:18:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:e+3453wj+JGhSMEQObJwNTI5/o+WzSuHM+oqC/b5MnN1WpPrKc+DixPAEvi8W4+L:enw9N1urL08W29b6azA
Threatray 548 similar samples on MalwareBazaar
TLSH T189D2E60032B86F37E5BE67F5A962605003F4692B2812EBAC5DDA75CE1672F008631F67
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
340
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
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:
spre.troj.adwa.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Initial sample is a PE file and has a suspicious name
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
Powershell drops PE file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Copy file to startup via Powershell
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1429591 Sample: Arakangroup_Invoice_for_New... Startdate: 22/04/2024 Architecture: WINDOWS Score: 100 30 tinyurl.com 2->30 32 cdn.discordapp.com 2->32 34 bg.microsoft.map.fastly.net 2->34 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 9 other signatures 2->46 8 Arakangroup_Invoice_for_NewOrder_dated12042024.exe 15 3 2->8         started        12 Arakangroup_Invoice_for_NewOrder_dated12042024.exe 2 2->12         started        signatures3 process4 dnsIp5 36 tinyurl.com 104.20.138.65, 443, 49699, 49701 CLOUDFLARENETUS United States 8->36 38 cdn.discordapp.com 162.159.130.233, 443, 49700, 49702 CLOUDFLARENETUS United States 8->38 48 Bypasses PowerShell execution policy 8->48 14 powershell.exe 13 8->14         started        18 Arakangroup_Invoice_for_NewOrder_dated12042024.exe 8->18         started        20 Arakangroup_Invoice_for_NewOrder_dated12042024.exe 12->20         started        signatures6 process7 file8 28 Arakangroup_Invoic...r_dated12042024.exe, PE32 14->28 dropped 50 Drops PE files to the startup folder 14->50 52 Powershell drops PE file 14->52 22 conhost.exe 14->22         started        24 WerFault.exe 21 16 18->24         started        26 WerFault.exe 1 21 20->26         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-04-22 09:10:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
8009537157f48a8559a3fcb5eff71cd04322882a5d491405f80848d103474752
MD5 hash:
54ca79e1e4c978d1cd3a1d31177c7006
SHA1 hash:
ef18f1344c6b3a4e860ce5faa9d4f175d75f12e3
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 8009537157f48a8559a3fcb5eff71cd04322882a5d491405f80848d103474752

(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

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