MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e. 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 8 File information Comments

SHA256 hash: 45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e
SHA3-384 hash: 058c0e1e3fc66e6e5c1aa37fae1be7e9cbcfb544be82f908feb8c1fc84e7f3eed0dd30542b817b1ecc5316f0c64f41b2
SHA1 hash: 51577956c1be21d4dad8810d46dbafcc89ee0721
MD5 hash: 045c95649ebfe3c039324cbd70f7744a
humanhash: kentucky-don-lemon-six
File name:45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e
Download: download sample
Signature Formbook
File size:729'088 bytes
First seen:2025-09-05 13:04:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ReoeStF07+EagoDr5VHffo3YWarVNxX+lp6s73xU85u8hg5AK8rvAOFHSEQhan2l:RnF07v8v/ftWaxNxX46s+GK8bAOj/on
Threatray 793 similar samples on MalwareBazaar
TLSH T116F41259238AD515D1F53B382DB2D378837E3D89A832C31A4BE96CDF7C36B5098117A2
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
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
59
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e
Verdict:
No threats detected
Analysis date:
2025-09-05 19:03:46 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
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)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-20T04:01:00Z UTC
Last seen:
2025-08-20T04:01:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-08-20 11:57:28 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4e68463959e9295134cd8a945b461600d638034eea86578c082362e87f2f9f28
MD5 hash:
77ff53e7dcb6fb00114d8e0025812ca3
SHA1 hash:
3bd2efd255107094977e28f64a351c2a714690a4
SH256 hash:
5557e3b3a4fde9ef9a96d2034bd2bafd31c5508662aecea27836982de9fa678d
MD5 hash:
d5ac24d4c9b8b30632a8a91fcf6ce229
SHA1 hash:
e678bd9755f50527a0a136b60c2c1cc3c4eeec61
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
cd5cb124451f102c575a69653a68065b2763544f2fc8d0e8402faf1b361819f7
MD5 hash:
a4c10d69283529fb438f9c8c8ef66955
SHA1 hash:
7c5fea184d079cc5d66418637fb7393a079e290b
SH256 hash:
45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e
MD5 hash:
045c95649ebfe3c039324cbd70f7744a
SHA1 hash:
51577956c1be21d4dad8810d46dbafcc89ee0721
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

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