MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1161554301dad29fa9b3558bf006f3fa49fac76b8aedd65a5b9ba14a9fbeee33. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 1161554301dad29fa9b3558bf006f3fa49fac76b8aedd65a5b9ba14a9fbeee33
SHA3-384 hash: 751430b2e488a0b47fcc14678c4e4f2b624ae588d8a5dac2c519b63ae793cb010b0a920fdf8b245392e7de0a1c4c8999
SHA1 hash: 3baa9a8897a42af43cfec75ed1c239dc8004dc0c
MD5 hash: cedb2b4e75f49c633c07c13b81684412
humanhash: virginia-eight-white-sweet
File name:1161554301dad29fa9b3558bf006f3fa49fac76b8aedd65a5b9ba14a9fbeee33
Download: download sample
Signature Formbook
File size:1'106'432 bytes
First seen:2026-08-10 13:39:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'339 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:qZkYeJaftoxTYhhj3VQImGv60JnbU0JJbadxW1GtCbi8crYDD:qZgsZFQF0lFvBw08Uf
TLSH T109351254276ECD01D1C60BB11EB0E3B416A98D98E531D303DFFAACEBB66F746A845390
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 30f0f0c4cccce830 (1 x PhantomStealer, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-02T23:34:00Z UTC
Last seen:
2026-08-11T08:17:00Z UTC
Hits:
~1000
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2026-07-03 02:38:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 36 (69.44%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
1161554301dad29fa9b3558bf006f3fa49fac76b8aedd65a5b9ba14a9fbeee33
MD5 hash:
cedb2b4e75f49c633c07c13b81684412
SHA1 hash:
3baa9a8897a42af43cfec75ed1c239dc8004dc0c
SH256 hash:
112484ee3df8bcae3c5fa83371b0267bcb479d2f9af6c577956f23802508272b
MD5 hash:
9c4d169b7555655c4a9d6db0390fc0f5
SHA1 hash:
6505213f4992b9f50b4e4e239bc3d96bdc6689a7
SH256 hash:
da617dba03214c094e524a9a82acdb689bab81fca032c2ca81d7bd487654a1b1
MD5 hash:
f4921fb9381d28c2d8afed43f3e0d00b
SHA1 hash:
e1eeb9c3fd020687d8d5087f3f4b33034bfb9c78
SH256 hash:
f378892bd008c57147962c79f2bc52b1dc227cfa5b483642c6fe30424e50ceeb
MD5 hash:
7e772e95d530a86a6995b40c6dade77d
SHA1 hash:
a49d9181e7392801a062fe8c5aea27256731ad26
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