MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243. 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 4 File information Comments

SHA256 hash: 93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243
SHA3-384 hash: 8d76080516ed43524bbe64e77413e501b6d39fdb71b8c98b205ec0601786ec53c7fba18e20cb775a9b97b14efc9477dd
SHA1 hash: c3df6bb8cc0c82b3a431a37fb51030ad94a41167
MD5 hash: 8ab0cc5984b1d23278cf872476364418
humanhash: hamper-finch-orange-low
File name:93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243
Download: download sample
Signature Formbook
File size:799'744 bytes
First seen:2024-05-09 11:31:30 UTC
Last seen:Never
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:vhMtGXYHbraO6Hop6GDrB2tC4bsPdV630L9DH4Vel:siYqtG6yrBwC00DYgl
Threatray 943 similar samples on MalwareBazaar
TLSH T14005AF3D1CBE12BB81B9C6A9CFD5882BF500D46B7151AD7994D347A56342E8B38C323E
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 11:37:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438894 Sample: yXEyCDCtQk.exe Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 53 www.zb1zq9.vip 2->53 55 www.usapubpong.com 2->55 57 12 other IPs or domains 2->57 75 Snort IDS alert for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 11 other signatures 2->81 11 yXEyCDCtQk.exe 7 2->11         started        15 RiILrGgNwcpLS.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\RiILrGgNwcpLS.exe, PE32 11->49 dropped 51 C:\Users\user\AppData\Local\Temp\tmp7FA.tmp, XML 11->51 dropped 89 Uses schtasks.exe or at.exe to add and modify task schedules 11->89 91 Adds a directory exclusion to Windows Defender 11->91 93 Tries to detect virtualization through RDTSC time measurements 11->93 95 Injects a PE file into a foreign processes 11->95 17 yXEyCDCtQk.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        97 Antivirus detection for dropped file 15->97 99 Multi AV Scanner detection for dropped file 15->99 101 Machine Learning detection for dropped file 15->101 24 RiILrGgNwcpLS.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 28 explorer.exe 88 1 17->28 injected 73 Loading BitLocker PowerShell Module 20->73 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 dnsIp10 59 salahtimeonline.com 208.91.199.7, 49721, 80 PUBLIC-DOMAIN-REGISTRYUS United States 28->59 61 www.gamedaemons.site 74.208.236.233, 49718, 80 ONEANDONE-ASBrauerstrasse48DE United States 28->61 63 3 other IPs or domains 28->63 103 System process connects to network (likely due to code injection or exploit) 28->103 105 Uses netstat to query active network connections and open ports 28->105 40 NETSTAT.EXE 28->40         started        43 cmd.exe 28->43         started        signatures11 process12 signatures13 83 Modifies the context of a thread in another process (thread injection) 40->83 85 Maps a DLL or memory area into another process 40->85 87 Tries to detect virtualization through RDTSC time measurements 40->87 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Status:
Malicious
First seen:
2024-04-24 04:44:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jn17 execution rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Unpacked files
SH256 hash:
88f2105a6e7aab073776db334144ab1b46c99b52739883163b77b384a1304d16
MD5 hash:
3ffc8687e774e137b005b450bf8fee2e
SHA1 hash:
18a20385f5b69d83001f1a1dfe477fd42d3765b0
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
a36b2e4cf295469d7c9bf35012c6ab9d3459e24b53c1964a2cfda909e38741bf
MD5 hash:
0f358a54beefd29178b6488dd2dec8f4
SHA1 hash:
ff317810a59ea0aa906b3f6485fdc8b7144dd2fc
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
0b8ce50168530bf0cb343b44f73db26252353b48843ad163b5c4d40f750b57d0
MD5 hash:
c1ec0dcd8de33cb2d41c7473e00a291a
SHA1 hash:
6c85c33563b9d3f4731b73ec9109b0832096739c
SH256 hash:
93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243
MD5 hash:
8ab0cc5984b1d23278cf872476364418
SHA1 hash:
c3df6bb8cc0c82b3a431a37fb51030ad94a41167
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.

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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