MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23585f8aaa39c903f0f971cc68a16120d5e5f23365577709396c11d52fa8d83f. 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 3 File information Comments

SHA256 hash: 23585f8aaa39c903f0f971cc68a16120d5e5f23365577709396c11d52fa8d83f
SHA3-384 hash: 202c66c9f62a608619cc4b8cd0a6f0e73f584ec6b4a93d2c962ca9ea565683ac28ba8a74f71a80c9b390f04c732de5a8
SHA1 hash: 15d72cebe285695a6a63f4129da9cca6cd85b6ac
MD5 hash: 9abac2bc4e158623a43e1f2e6e396d25
humanhash: winter-eighteen-rugby-washington
File name:DISP-1354136_20260213102352.bat
Download: download sample
Signature Formbook
File size:1'159'680 bytes
First seen:2026-03-01 17:18:54 UTC
Last seen:2026-03-01 18:27:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'835 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 24576:yOGpD6+awgnt0OiDNx7iSM6PKSy2rCjU6L2w9g+I5aO:yO2Qwsi/nPHHrv6L2aOU
TLSH T16F35F06427A5CC16C36D173A18A0F17897758ED7B111C21ABEDD7EDB7B2EB110A82383
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter BastianHein
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
258
Origin country :
CL CL
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Malware family:
n/a
ID:
1
File name:
_23585f8aaa39c903f0f971cc68a16120d5e5f23365577709396c11d52fa8d83f.exe
Verdict:
No threats detected
Analysis date:
2026-03-01 17:19:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bitmap masquerade net_reactor obfuscated packed packed packed stego vbnet
Verdict:
Malicious
File Type:
exe x32
Detections:
PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Injuke.gen Trojan-Spy.Noon.HTTP.ServerRequest
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-02-26 02:05:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
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
Program crash
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:
23585f8aaa39c903f0f971cc68a16120d5e5f23365577709396c11d52fa8d83f
MD5 hash:
9abac2bc4e158623a43e1f2e6e396d25
SHA1 hash:
15d72cebe285695a6a63f4129da9cca6cd85b6ac
SH256 hash:
7101357c71e9f830cd62e46b176339c37ef2faf34ff7e5f19b19b21c5daf5b82
MD5 hash:
bf40f5370ce922212b8494c5499a5586
SHA1 hash:
0bddc41e02c8280e95708107e862e59aeeaa0406
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
0bfd239d51a6f775f5157222246c02d0e72c31fb130f4e3722bfbf644bdee382
MD5 hash:
7ae9d31c959adb3b412a12acc34113b4
SHA1 hash:
0c23ad65dd5d670dc2af83cd74518ffa0357e01d
SH256 hash:
375d9068b62b24e63fff996c8670bc918300df77ca9370e77e8744fe70171ffe
MD5 hash:
9932bf974c771a6568fedc8641059f81
SHA1 hash:
45ae7ae5f9ce36617ed030f912df7ce8f3ea124f
SH256 hash:
69049690512d9d24ab21164be803b77f0d577d0d6bdeca61be8c9c8955cfd4e0
MD5 hash:
315b015b70d9e040f2db7e201b3a8534
SHA1 hash:
40bae868beee421c26dabfe704e8cc484be06e2d
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