MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b303e9042652deb176df0601228b63fc49854af5a54c3fbb2aa1715930d537e. 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 8 File information Comments

SHA256 hash: 0b303e9042652deb176df0601228b63fc49854af5a54c3fbb2aa1715930d537e
SHA3-384 hash: aa1dacbb66d16044b5ea37198b4c2afa439300a8d19219b6eedf36b38a19147d42773465e343d2d91d8f1871616e7306
SHA1 hash: d8017bdb1eaff04a9efd5289a6335aff4ffa306f
MD5 hash: 34f0a9f23c1f465b40192a0f17a5b10b
humanhash: lactose-happy-monkey-oven
File name:0b303e9042652deb176df0601228b63fc49854af5a54c3fbb2aa1715930d537e
Download: download sample
Signature Formbook
File size:746'496 bytes
First seen:2025-09-05 12:33:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:IUfLOwUNuug+3e8Cl45cI2+UOlCbr5ySDnAxf34jrw/rwYz/7dlAQbdezTddDPK2:IUfBtrICBvboCX5ySe/4nirfXrZezJNT
TLSH T118F411902765EB17D0A25BF8DCB2D7B85BA40DDDB810D3029FE5BDEF3822B851184683
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 :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0b303e9042652deb176df0601228b63fc49854af5a54c3fbb2aa1715930d537e
Verdict:
Malicious activity
Analysis date:
2025-09-05 15:12:26 UTC
Tags:
auto-sch-xml netreactor

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

Behaviour
Creating a window
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:
formbook obfuscated packed packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-14T05:00:00Z UTC
Last seen:
2025-08-14T05:00:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.47 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-14 08:31:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Behaviour
Scheduled Task/Job: Scheduled Task
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
Unpacked files
SH256 hash:
0b303e9042652deb176df0601228b63fc49854af5a54c3fbb2aa1715930d537e
MD5 hash:
34f0a9f23c1f465b40192a0f17a5b10b
SHA1 hash:
d8017bdb1eaff04a9efd5289a6335aff4ffa306f
SH256 hash:
0d1a5ce151ffbe5dd4f62897430dff32a786c0b7a79c5edd8f19b525ad41a20f
MD5 hash:
d69903c993f470dd7bb97c44e280a5ed
SHA1 hash:
0d426bb3def2339f5a8207e9a5c5057c481a9a31
SH256 hash:
460cf4c4d4cfe4b310e0c81d240e1bf2311b5476c4c91748a8d4d0e8ebcc59e4
MD5 hash:
19f12013706b3a92e6ae1046d91b6106
SHA1 hash:
949d1e523c477aa657705bace7391ba4df66a077
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
40f2900cf952b4fb424cadd3fa60d648595257d9aa05a326ea271b382c3d6651
MD5 hash:
322be3dc0138de6e0fb3f4f526d76644
SHA1 hash:
9795cc1ef0ebb4efe8bbfdb83c73f65543511407
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4a37cfd0d505ebba4d8c9f87768e5c2c808f99ef2f5202fdf3ea728d64293953
MD5 hash:
ae7f9d51fb76f77e8bb6acb7c52fcae9
SHA1 hash:
6179e9363a22bbc1fab71296403ebd68571b273d
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: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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