MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
SHA3-384 hash: 9f429617012ed999e847f16203589f1415ced0235a573c4342a7f7c2ae8a546075aa831d088fa4f9d7c9f145a29b7ffc
SHA1 hash: fc9372dbcf91adb3e1a70e797c644656d811715d
MD5 hash: 94ab6b9556e2f06a70b38fd97b3f9e58
humanhash: fix-jersey-virginia-cat
File name:1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
Download: download sample
Signature Formbook
Create hunting rule
File size:857'600 bytes
First seen:2025-08-12 14:38:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:xxZZJ2kL4bUIKz/ypcIu7df6PG+q15lUmc5x:9WLsy6B7df6PiT6n
Threatray 4'162 similar samples on MalwareBazaar
TLSH T19205CE3031AD9963C67956F04560D53533A76ECF282AE1DA4EC6BCCB7CE8BC01B95A43
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
dhash icon 00e425252425e400 (12 x SnakeKeylogger, 9 x Formbook, 2 x DCRat)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
_1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4.exe
Verdict:
Malicious activity
Analysis date:
2025-08-12 15:41:45 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/88ba047b-2f74-4a1b-8a98-8c3d4ab7ee2c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20741/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689b5561fca70bd90e8f16ad
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be0bb1ac-f42e-418f-9fcd-a483316188c6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1745440
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1745440 Sample: 0998Pack List AWB & Shippin... Startdate: 28/07/2025 Architecture: WINDOWS Score: 100 73 www.poker88gacor2025.xyz 2->73 75 www.magicsagents.xyz 2->75 77 17 other IPs or domains 2->77 79 Suricata IDS alerts for network traffic 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 Multi AV Scanner detection for submitted file 2->83 87 10 other signatures 2->87 11 0998Pack List AWB & Shipping Documents_xls.exe 7 2->11         started        15 IWOLewaic.exe 5 2->15         started        17 svchost.exe 1 1 2->17         started        signatures3 85 Performs DNS queries to domains with low reputation 75->85 process4 dnsIp5 57 C:\Users\user\AppData\Roaming\IWOLewaic.exe, PE32 11->57 dropped 59 C:\Users\...\IWOLewaic.exe:Zone.Identifier, ASCII 11->59 dropped 61 C:\Users\user\AppData\Local\...\tmpCD35.tmp, XML 11->61 dropped 63 0998Pack List AWB ...cuments_xls.exe.log, ASCII 11->63 dropped 93 Suspicious powershell command line found 11->93 95 Adds a directory exclusion to Windows Defender 11->95 97 Injects a PE file into a foreign processes 11->97 20 0998Pack List AWB & Shipping Documents_xls.exe 11->20         started        23 powershell.exe 23 11->23         started        25 powershell.exe 7 11->25         started        27 schtasks.exe 1 11->27         started        99 Multi AV Scanner detection for dropped file 15->99 29 schtasks.exe 1 15->29         started        31 IWOLewaic.exe 15->31         started        71 www.debatevxtlm.sbs 127.0.0.1 unknown unknown 17->71 file6 signatures7 process8 signatures9 89 Maps a DLL or memory area into another process 20->89 33 GW2LXY3pDMH.exe 20->33 injected 91 Loading BitLocker PowerShell Module 23->91 35 WmiPrvSE.exe 23->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        process10 process11 45 charmap.exe 33->45         started        signatures12 101 Tries to steal Mail credentials (via file / registry access) 45->101 103 Tries to harvest and steal browser information (history, passwords, etc) 45->103 105 Modifies the context of a thread in another process (thread injection) 45->105 107 3 other signatures 45->107 48 A6yXCrLqQa.exe 45->48 injected 51 chrome.exe 45->51         started        53 firefox.exe 45->53         started        process13 dnsIp14 65 poker88gacor2025.xyz 162.222.227.139, 49771, 49772, 49773 PUBLIC-DOMAIN-REGISTRYUS United States 48->65 67 runsociety.org 3.33.130.190, 49721, 49731, 49732 AMAZONEXPANSIONGB United States 48->67 69 8 other IPs or domains 48->69 55 WerFault.exe 51->55         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-28 04:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d3kzt6zyivv7orouqln7arhz5tv4ulxczq6bb7lgucnphzpzgssa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
Formbook
2a457ceff9290140853127bd459791a5a17603c116a513da8a499aae112346d5
Formbook
de22cc3be940674331be243141c5b3e99c375bef12b433c93c17785710647a51
Formbook
e6a6e94af36a3ea70e21983ed3fc74131dbc63e26f0ea666346088815da0b14b
Formbook
+ 4'152 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250812-twbj1seq7z/
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
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/57df53cb-dac7-4ede-940c-ee8117cf3464
Unpacked files
SH256 hash:
1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4
MD5 hash:
94ab6b9556e2f06a70b38fd97b3f9e58
SHA1 hash:
fc9372dbcf91adb3e1a70e797c644656d811715d
Link:
https://www.unpac.me/results/16d8e1dd-be9f-49c7-a542-dcfa65b7528f/
SH256 hash:
8f3300976d94917d7a9873817669e8f2a4906e19eae812c39c72651004e011c8
MD5 hash:
a4546294e68738c44ec3371bc214a03e
SHA1 hash:
4acfe9c603c3a6f0c175347c6d1c2cc0ce7d28d0
Link:
https://www.unpac.me/results/16d8e1dd-be9f-49c7-a542-dcfa65b7528f/
SH256 hash:
ae1fde70461732cb60cba56eb52f8d994a141885c6e0b42cd4f8aa12ffbd575d
MD5 hash:
fafe704da4a186372f43d985051cb179
SHA1 hash:
e03fef11d0d38d856bbc278c343c5a7276c96847
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/16d8e1dd-be9f-49c7-a542-dcfa65b7528f/
Parent samples :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 hash:
df2e4f4e54f20b49632bff6c915c28c6494579212eb64ec3864b54084e14180a
MD5 hash:
bf54842a12cbb0733fc3c89ccbdf15ec
SHA1 hash:
f76bd4815c2018e82d784eebd47b47d47cbb7012
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/16d8e1dd-be9f-49c7-a542-dcfa65b7528f/
SH256 hash:
be578a3b4d4460c09dbe913761cc17be49328a48cc1d05d8babb21196f5b3bba
MD5 hash:
c717b3406444f158777d730febc82ef0
SHA1 hash:
06e73cefdd76e7020342144f38291e90208273c4
Link:
https://www.unpac.me/results/16d8e1dd-be9f-49c7-a542-dcfa65b7528f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ed599fb38456bf745d482dbf044f9ecebca2ee2cc3c10fd66a09af3e5f934a4

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/20741/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments