MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments

SHA256 hash: 11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df
SHA3-384 hash: 666a08ccabef0d7c0e4b0575960eb198ddaae8883f771694dc14ace2d52f2819ec4a2e70df343565f488906fb0e3cc63
SHA1 hash: 2ac48be64d044a4a40fbc578b9057a08b335721a
MD5 hash: f1d74313ef1a2f8e320a6c89f7534d54
humanhash: triple-lemon-march-violet
File name:11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df
Download: download sample
Signature Formbook
File size:271'360 bytes
First seen:2024-03-18 13:16:57 UTC
Last seen:2024-03-18 15:29:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:6v0slpmg1tidmowIRALtD3apADGvkmzUYm49kXTm:ZslpmgXgdtRWt77YkVJ4QTm
Threatray 37 similar samples on MalwareBazaar
TLSH T1354423F3C505F825E73824F2177B32AD6865F36BBE2C1B1729D85B94997013E24ACD0A
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 13:55:48 UTC
Tags:
formbook xloader

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

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Deletes itself after installation
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-03-18 13:17:05 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
Unpacked files
SH256 hash:
131f5155eadbc471d9ad749e18f567fcd5a32ed67e1a503577a8794e2d3e1cf3
MD5 hash:
4197b6512e15e5746864cd8a746c2b9d
SHA1 hash:
f7a47bbb85d15809da7334b5c7b2e80b9b7eb986
SH256 hash:
11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df
MD5 hash:
f1d74313ef1a2f8e320a6c89f7534d54
SHA1 hash:
2ac48be64d044a4a40fbc578b9057a08b335721a
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: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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 11a1a953f9c30190bd389d52db00d83ee4020c7b57c2cc4bd54a4cdad9b151df

(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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