MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d9f8c6e00839f7c513c080deb360c141eded1429ccadabf16fb2a8650e8436b. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments

SHA256 hash: 2d9f8c6e00839f7c513c080deb360c141eded1429ccadabf16fb2a8650e8436b
SHA3-384 hash: 029145bea9801d29df975b9196dd51e6bd1debee2d44fd7fa66ecf34b488e502534d786a610104015f4678f7e3cd221b
SHA1 hash: a53a8f0244aa32dfb84b461d5b9f3bf3a712e0ae
MD5 hash: 4da9be580a30361cd7b76ee767eb3c16
humanhash: december-pasta-hydrogen-speaker
File name:PO-No_451052026 scan.exe
Download: download sample
Signature Formbook
File size:1'038'848 bytes
First seen:2026-05-22 05:56:28 UTC
Last seen:2026-06-08 08:33:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'066 x AgentTesla, 20'011 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:IyfVdWhwZt+fGrtPpzSN+DwUilmTqSBAoBffLAsxu:IyfVdyw00p2N+Dw97SBzg
Threatray 2'858 similar samples on MalwareBazaar
TLSH T119251254661AD917C4C29FB45C33D2F427788F94E825C603AFE63EEFB87B3A5441A242
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 threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_2d9f8c6e00839f7c513c080deb360c141eded1429ccadabf16fb2a8650e8436b.exe
Verdict:
Malicious activity
Analysis date:
2026-05-22 05:58:13 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
infosteal micro shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-22T01:43:00Z UTC
Last seen:
2026-05-24T04:28:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb HEUR:Trojan-Spy.MSIL.Noon.gen
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries Google from non browser process on port 80
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Process Parents
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1917490 Sample: PO-No_451052026 scan.exe Startdate: 22/05/2026 Architecture: WINDOWS Score: 100 36 www.56781924.xyz 2->36 38 www.babsy.xyz 2->38 40 20 other IPs or domains 2->40 48 Suricata IDS alerts for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 56 11 other signatures 2->56 11 PO-No_451052026 scan.exe 4 2->11         started        signatures3 54 Performs DNS queries to domains with low reputation 38->54 process4 file5 34 C:\Users\...\PO-No_451052026 scan.exe.log, ASCII 11->34 dropped 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 15 PO-No_451052026 scan.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 70 Maps a DLL or memory area into another process 15->70 20 mkmRfARckVbj.exe 15->20 injected 72 Loading BitLocker PowerShell Module 18->72 23 conhost.exe 18->23         started        process9 dnsIp10 42 56781924.xyz 209.159.151.58, 49770, 49771, 49772 IS-AS-1-InterserverIncUS United States 20->42 44 devnexhub.com 5.9.109.105, 49762, 49763, 49764 HETZNER-ASDE Germany 20->44 46 13 other IPs or domains 20->46 25 notepad.exe 13 20->25         started        process11 signatures12 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Tries to harvest and steal browser information (history, passwords, etc) 25->60 62 Modifies the context of a thread in another process (thread injection) 25->62 64 3 other signatures 25->64 28 chrome.exe 25->28         started        30 firefox.exe 25->30         started        process13 process14 32 WerFault.exe 4 28->32         started       
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2026-05-22 04:49:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
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
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
2d9f8c6e00839f7c513c080deb360c141eded1429ccadabf16fb2a8650e8436b
MD5 hash:
4da9be580a30361cd7b76ee767eb3c16
SHA1 hash:
a53a8f0244aa32dfb84b461d5b9f3bf3a712e0ae
SH256 hash:
1ce918951f277482c7f740e59cdf19a27160633802893433fde83aee18229eda
MD5 hash:
f71a3892ef832233ff23b6545946c1aa
SHA1 hash:
3793a75d8e64a3bf953666421495dc3b5bc12a2a
SH256 hash:
ca6b450ddc88dae3fa7ef63cf548789d9abc2631fbf564aafa199ebdd89c3a23
MD5 hash:
038f890a455005e7192f1c332987d091
SHA1 hash:
906d7d2d4a874f1112ec32db220bd39b7688717f
SH256 hash:
522b44ac02f19e54eb9e84faf8d7a23580b0f184df0c195509874d48d3935862
MD5 hash:
39ce4fdf123d2ace0208e6d749db6ba5
SHA1 hash:
c3edd643d423f493b8e78c6a14252b258b4db182
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
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Malspam

Formbook

Executable exe 2d9f8c6e00839f7c513c080deb360c141eded1429ccadabf16fb2a8650e8436b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments