MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53d30b6b4749ebdfdfebc9a93793ea3863d5c5ef93594e3c215d91b347db2bca. 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 21 File information Comments

SHA256 hash: 53d30b6b4749ebdfdfebc9a93793ea3863d5c5ef93594e3c215d91b347db2bca
SHA3-384 hash: 5fb9bdf007f9289ddd76963d2ae9ab4c13d375bf21c8d383cc99527bee7d8582a8abe6861455c076482fedfd86861d27
SHA1 hash: 2516c13fe069cb48d70930a83d6b38aba3e7c97f
MD5 hash: c81cdb02b8df256d53407cf3f06ae17f
humanhash: ten-carpet-ceiling-cat
File name:SecuriteInfo.com.Trojan.PackedNET.3345.19175.9791
Download: download sample
Signature Formbook
File size:680'968 bytes
First seen:2025-06-03 09:19:18 UTC
Last seen:2025-06-16 14:24:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:6rCDvYguf2VEh7bT8PNJL6JiG1I6UA50uEqwpjyqTc5kR:9cH2uraJ8I6Ubewp+q1
Threatray 4'791 similar samples on MalwareBazaar
TLSH T1A2E4024A27A6C103E07B0F7487A2D1796B77DECEA942D3176ED92D9F7A1238411B13C8
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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
dhash icon 9671cc96cce83c42 (3 x SnakeKeylogger, 3 x Formbook, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
453
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.3345.19175.9791
Verdict:
Malicious activity
Analysis date:
2025-06-03 09:19:54 UTC
Tags:
formbook stealer netreactor xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
dotnet micro smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Changing a file
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 expired-cert invalid-signature obfuscated packed packed packer_detected signed vbnet
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1704731 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 03/06/2025 Architecture: WINDOWS Score: 100 48 45.media.tumblr.com 2->48 50 redirect.media.tumblr.com 2->50 52 4 other IPs or domains 2->52 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 7 other signatures 2->66 8 SecuriteInfo.com.Trojan.PackedNET.3345.19175.9791.exe 25 2->8         started        13 QxCqFOfI.exe 22 2->13         started        signatures3 process4 dnsIp5 54 limited-mbz200-ext-prod.giphy.map.fastly.net 146.75.105.155, 443, 49691, 49698 SCCGOVUS Sweden 8->54 56 64.media.tumblr.com 192.0.77.3, 443, 49693, 49699 AUTOMATTICUS United States 8->56 58 redirect.media.tumblr.com 74.114.154.22, 49692, 80 AUTOMATTICUS Canada 8->58 42 C:\Users\user\AppData\Roaming\QxCqFOfI.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpB897.tmp, XML 8->44 dropped 46 SecuriteInfo.com.T....19175.9791.exe.log, ASCII 8->46 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Adds a directory exclusion to Windows Defender 8->70 72 Uses threadpools to delay analysis 8->72 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        28 5 other processes 8->28 74 Multi AV Scanner detection for dropped file 13->74 22 schtasks.exe 13->22         started        24 vbc.exe 13->24         started        26 vbc.exe 13->26         started        30 3 other processes 13->30 file6 signatures7 process8 signatures9 76 Loading BitLocker PowerShell Module 15->76 32 conhost.exe 15->32         started        34 WmiPrvSE.exe 15->34         started        36 conhost.exe 18->36         started        38 conhost.exe 20->38         started        40 conhost.exe 22->40         started        process10
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
53d30b6b4749ebdfdfebc9a93793ea3863d5c5ef93594e3c215d91b347db2bca
MD5 hash:
c81cdb02b8df256d53407cf3f06ae17f
SHA1 hash:
2516c13fe069cb48d70930a83d6b38aba3e7c97f
SH256 hash:
461b6161c4cccd877aff047ce680e3f7ac926c33f950e1ed87c0458a159978fa
MD5 hash:
ce3ba20849430747efdb977d70671a57
SHA1 hash:
5604b1428d9f1bb1bfb56f9a23946905ca083386
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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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