MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0494f0bd0225edd027f43a581e4504d0b73fadac437c809dce717c0d159cf1e8. 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 6 File information Comments

SHA256 hash: 0494f0bd0225edd027f43a581e4504d0b73fadac437c809dce717c0d159cf1e8
SHA3-384 hash: daccf016f58c2c4f5cf47282796a96ce49a423baa00b77f1dea151b7fd3b96b6b5e3b45a2114cecc9aa53f466039d034
SHA1 hash: 11f4c3c6dbb5cbe09d150acfad464f00ef2fc5f8
MD5 hash: b3c5debaee5fc3162ebe21ff4348ba10
humanhash: sink-emma-papa-hot
File name:New Sample.exe
Download: download sample
Signature Formbook
File size:768'000 bytes
First seen:2024-10-09 16:24:22 UTC
Last seen:2025-01-10 14:07:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:6umEhatVMuUcAzRpYooXxSBj3mnkvoBAllR7YMpv3dFcUH:UEKTIpYt03HvomfR7YqtS
Threatray 1'696 similar samples on MalwareBazaar
TLSH T1F5F4AE1476948F53CA3587F43972E47023FC5EAEA02AE2655DC17EEBB9A1F048950F83
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)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
392
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New Sample.exe
Verdict:
Malicious activity
Analysis date:
2024-10-09 16:24:44 UTC
Tags:
formbook xloader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
Powershell Micro Spawn
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Loading BitLocker PowerShell Module
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1530122 Sample: New Sample.exe Startdate: 09/10/2024 Architecture: WINDOWS Score: 100 33 www.iviendas-embargadas.xyz 2->33 35 www.y1rmgv9c.top 2->35 37 9 other IPs or domains 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 47 11 other signatures 2->47 11 New Sample.exe 4 2->11         started        signatures3 45 Performs DNS queries to domains with low reputation 33->45 process4 file5 31 C:\Users\user\AppData\...31ew Sample.exe.log, ASCII 11->31 dropped 57 Adds a directory exclusion to Windows Defender 11->57 15 New Sample.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 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 67 2 other signatures 15->67 20 explorer.exe 59 1 15->20 injected 65 Loading BitLocker PowerShell Module 18->65 22 conhost.exe 18->22         started        process9 process10 24 wlanext.exe 20->24         started        signatures11 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51 53 Tries to detect virtualization through RDTSC time measurements 24->53 55 Switches to a custom stack to bypass stack traces 24->55 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-10-09 16:25:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ga06 discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Unpacked files
SH256 hash:
e78456484809714dc170dc2337ba88ab4ad805a3474e85a2f2a1e692a9d529ff
MD5 hash:
b05d49325d033be4c7c66b4b57fb91d3
SHA1 hash:
b72b268727de7191f21364e140425dd3648398b3
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook Windows_Trojan_Formbook
SH256 hash:
d0e00057feda8138590755abea0b93dfc3717e6eab50cceae004e1f1e3c419bf
MD5 hash:
c49274a79a787893efeb871d9558a477
SHA1 hash:
e69a37f70fda2e1c19c01058d1e535a24feb8cc4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
33105010e83e5a856bb39a14c69530cc5d0fcbd1be9f4dadb6944b7916cdc4ee
MD5 hash:
5bd8fff0864e84accbcc3245a6c03cfd
SHA1 hash:
b0bdf8b4bb93d6524e224e387c1c19a8675770a9
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook Windows_Trojan_Formbook
SH256 hash:
0494f0bd0225edd027f43a581e4504d0b73fadac437c809dce717c0d159cf1e8
MD5 hash:
b3c5debaee5fc3162ebe21ff4348ba10
SHA1 hash:
11f4c3c6dbb5cbe09d150acfad464f00ef2fc5f8
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:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
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 0494f0bd0225edd027f43a581e4504d0b73fadac437c809dce717c0d159cf1e8

(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