MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d6e99ea99f0550a917044d809c101f28f350056aca406713f11fdd86234b367. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 1d6e99ea99f0550a917044d809c101f28f350056aca406713f11fdd86234b367
SHA3-384 hash: c53bbc3e21d811e7becc18e4a62257b2e1a0915479f4805099f0092b13b1bbf38a2813df9adc439e79c9a33da6b206a1
SHA1 hash: 8cd3d8f293740cf7cb60ace1234bf6178753fb91
MD5 hash: 530cf9cefcf05758dd2cded2adaac0cd
humanhash: early-fish-moon-michigan
File name:SecuriteInfo.com.Win32.MalwareX-gen.86576971
Download: download sample
Signature Formbook
File size:805'376 bytes
First seen:2026-02-13 08:23:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'829 x AgentTesla, 19'759 x Formbook, 12'295 x SnakeKeylogger)
ssdeep 12288:yedYVgxbPdgd2SAm10ZPEAshU8RSSBv2HJSEf9LVdGSovjJRzCS:yedYCIdLAm25EA4U8tBupSEV
Threatray 2'715 similar samples on MalwareBazaar
TLSH T1FF05F19C7615F8DFC887D4B18954EE7466602CAA9706C21386E71CDFF90DE87AF180E2
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
140
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.86576971
Verdict:
No threats detected
Analysis date:
2026-02-13 08:35:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
virus micro msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap formbook krypt lolbin msbuild obfuscated obfuscated packed packed reconnaissance redcap regsvcs rezer0 roboski schtasks stego unsafe vbc vbnet zusy
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-22T00:14:00Z UTC
Last seen:
2026-02-05T02:55:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.70 Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-22 02:53:48 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
1d6e99ea99f0550a917044d809c101f28f350056aca406713f11fdd86234b367
MD5 hash:
530cf9cefcf05758dd2cded2adaac0cd
SHA1 hash:
8cd3d8f293740cf7cb60ace1234bf6178753fb91
SH256 hash:
27e1f55072cd326003c2a7bdd296d1fca66aafc3afc74b88aac33e7bf319d27a
MD5 hash:
76637fa66d6c3a9f6551c63b094ff821
SHA1 hash:
0eff58880579261b8daae0370acc3d4185c14834
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
d53a5c7f9d1eb4dadfae42188fa6b0dfd12a6edaf42aa4ca29089bfcede3b3e5
MD5 hash:
932d1fc30a170392308350e6a2d92810
SHA1 hash:
b07cc676c4e7594390acb3e262be10330f59b3f4
SH256 hash:
9a7124c76882cb3a1b412ed127ae53f987439c22d63933c4976f0679a370505b
MD5 hash:
f33c64c61f4dfb5db99eca379831a62e
SHA1 hash:
08b01f80a1300afc5ae09be4540e0c51f2578359
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: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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments