MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ffa9e2811b32d5392d585c41d73158bcdd53f090f4b56652230353cb48dcc88. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 9ffa9e2811b32d5392d585c41d73158bcdd53f090f4b56652230353cb48dcc88
SHA3-384 hash: 3f0990bf55a632b7d651ea17c22d31087d120161e6e7d81d9374b6d0bf1f324b9217443b559a1ee2cda53b43c8ceb207
SHA1 hash: 2adb1e84b16f4e67ebdc4b3d1ecb3bc992856d81
MD5 hash: 968957d65121b3fdfd1a935a9d87b0bb
humanhash: avocado-winner-happy-iowa
File name:9ffa9e2811b32d5392d585c41d73158bcdd53f090f4b56652230353cb48dcc88
Download: download sample
Signature Formbook
File size:833'536 bytes
First seen:2025-10-09 14:21:14 UTC
Last seen:Never
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:qrRUyA0DIYxfwFvu35mwGpsOwf1SVW0xNzMZCG1ctpyb9Ebx1/+1V9Y:gC14vxf8pRW0xKZCG1cK903OY
Threatray 1'900 similar samples on MalwareBazaar
TLSH T1FC05E03032AB9605D4665BB00C31D3F023B97E9DB914C74E6AE92E9FFD326135B113A6
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 :
66
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9ffa9e2811b32d5392d585c41d73158bcdd53f090f4b56652230353cb48dcc88
Verdict:
No threats detected
Analysis date:
2025-10-09 17:19:40 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt formbook obfuscated packed packed packer_detected remcos vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-19T03:25:00Z UTC
Last seen:
2025-10-09T05:02:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-09-19 06:30:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
26 of 36 (72.22%)
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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
9ffa9e2811b32d5392d585c41d73158bcdd53f090f4b56652230353cb48dcc88
MD5 hash:
968957d65121b3fdfd1a935a9d87b0bb
SHA1 hash:
2adb1e84b16f4e67ebdc4b3d1ecb3bc992856d81
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
1fbd140e1f0dfd75397c7748a64d93494c1e29ac0abb675dc6eef6b5d26234d5
MD5 hash:
2ffe2150f98f581dfb493dca7e399be0
SHA1 hash:
7d1f0998a06d274cb970feb392cfd7f61dd2b654
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
796895f86291ed8b552b663173cd35dfdc48d2e7d038ce6ea103848955a16e37
MD5 hash:
55cbac1bb92f70f90ce3270f041a3903
SHA1 hash:
9f00900f531fbc8296420010126524b004e531ff
SH256 hash:
f9a665b33c1febd80e3288298359ef6303dc95f458b4462fdcf69880a52dfb2b
MD5 hash:
33172f62b5ef03438c55655281fff6db
SHA1 hash:
31a0c1d99ac0cbc77b7910ec769b3086c884dd01
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.

Comments