MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fee4fb5400d2ce1a0d1dc244a6be6d38dd9c5452d792c1c57bf60690d673b9b7. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: fee4fb5400d2ce1a0d1dc244a6be6d38dd9c5452d792c1c57bf60690d673b9b7
SHA3-384 hash: 137f111cbbd59e8f871cee05fa97f81d7ec1ed5351e255cdda5e15884cd83df492fccff1984db66fe9d39d531dc067c1
SHA1 hash: 2b05bfc28e743c5b29d56dd333dba3f1a73ecb58
MD5 hash: b106372e1ad033ac8e653d83524c7fc0
humanhash: princess-tennessee-apart-pizza
File name:fee4fb5400d2ce1a0d1dc244a6be6d38dd9c5452d792c1c57bf60690d673b9b7
Download: download sample
Signature Formbook
File size:574'976 bytes
First seen:2025-12-08 15:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:yOI0ieI7O/28sVjAzCPlovx4aG6M+k8FGEZ+Br7F:rniPFVMjAc7FGEZ+r7F
TLSH T175C4127416A9CB22E8A06BF00972F2B443B90E4DA515D3278FCA4CDFBAA5F194C54763
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 :
63
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
fee4fb5400d2ce1a0d1dc244a6be6d38dd9c5452d792c1c57bf60690d673b9b7
Verdict:
Malicious activity
Analysis date:
2025-12-09 02:37:59 UTC
Tags:
auto-sch-xml formbook stealer xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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:
krypt packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-25T08:49:00Z UTC
Last seen:
2025-12-10T05:25:00Z UTC
Hits:
~1000
Gathering data
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Threat name:
Win32.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-11-25 15:22:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ms04 discovery execution persistence rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
fee4fb5400d2ce1a0d1dc244a6be6d38dd9c5452d792c1c57bf60690d673b9b7
MD5 hash:
b106372e1ad033ac8e653d83524c7fc0
SHA1 hash:
2b05bfc28e743c5b29d56dd333dba3f1a73ecb58
SH256 hash:
0f881626607aad079e22d1cff925e0fe7eeb531f1172b9b3edad34b12f951876
MD5 hash:
a3c29b826b8f075bd28394dda069d22c
SHA1 hash:
11e6ef77f0eb3f0424ac35ef281afc431cfa82e3
SH256 hash:
004f4afdb47c45f475caca6c7fb9557751c2520b01a1e225c27f05f389883c0d
MD5 hash:
7b838e95dac312e91b71c55b6ac97238
SHA1 hash:
c90df9b78d53f9bf3aad6a19d441e505976793c0
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:NET
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.

Comments