MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c
SHA3-384 hash: 0448e18d73929a29374e21e636f64a28256a0c47e7f6adc64ed9e4ffe0c71040fee28c61f8e7c8f31a0768705ca40853
SHA1 hash: f4d15eefcba11acb653e846da2f7a26d1c5af81e
MD5 hash: 36629c16781e807e233dbd515c07ec55
humanhash: juliet-alaska-cat-idaho
File name:SC_TR11670000.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'202'688 bytes
First seen:2026-05-26 17:56:03 UTC
Last seen:2026-06-08 08:38:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 24576:F7lRX8wfJpfKu5NrgWfDAVdagN2jmdZq6uRq+vH+SSSFF:/LDfKufrgJrN2iSJPB
Threatray 2'866 similar samples on MalwareBazaar
TLSH T14F450250221ACD09E8969B798C70F7B467301E44F971D323EEEA3EEFB43755658242E2
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
dhash icon eaeaa8a8eaaaa8aa (3 x Formbook, 1 x PhantomStealer, 1 x DarkCloud)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
161
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e3640914-4830-4bce-8c6d-1a63429e723b/
Malware family:
n/a
ID:
1
File name:
_1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c.exe
Verdict:
No threats detected
Analysis date:
2026-05-26 17:59:10 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/1d9fb913-14e4-4ca0-9392-8d5851186b4d

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/68028/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.45020.3779.13111.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a15deda5b1db29f5a481f9c
Tags:
stration shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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:
packed vbnet
Link:
https://www.filescan.io/uploads/6a15ded212da0d249c58d527/reports/a69a242b-6cb4-44d5-b00d-f2fc35721b6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-26T01:32:00Z UTC
Last seen:
2026-05-28T16:01:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.MSIL.InjectorNetT.gen VHO:Trojan-PSW.MSIL.Agensla.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb
Link:
https://opentip.kaspersky.com/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b91f92da-04dc-4d96-83f5-8dc6a70ac38f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1918860
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1918860 Sample: SC_TR11670000.exe Startdate: 26/05/2026 Architecture: WINDOWS Score: 100 38 www.productgrowthflow.pro 2->38 40 www.pihora.site 2->40 42 20 other IPs or domains 2->42 56 Suricata IDS alerts for network traffic 2->56 58 Antivirus detection for URL or domain 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 8 other signatures 2->62 10 SC_TR11670000.exe 4 2->10         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 36 C:\Users\user\...\SC_TR11670000.exe.log, ASCII 10->36 dropped 64 Adds a directory exclusion to Windows Defender 10->64 66 Injects a PE file into a foreign processes 10->66 68 Unusual module load detection (module proxying) 10->68 17 SC_TR11670000.exe 10->17         started        20 powershell.exe 23 10->20         started        44 127.0.0.1 unknown unknown 14->44 file6 signatures7 process8 signatures9 52 Maps a DLL or memory area into another process 17->52 22 GiVuRI6HvCWNDt.exe 17->22 injected 54 Loading BitLocker PowerShell Module 20->54 24 WmiPrvSE.exe 20->24         started        26 conhost.exe 20->26         started        process10 process11 28 certreq.exe 13 22->28         started        signatures12 70 Tries to steal Mail credentials (via file / registry access) 28->70 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72 74 Modifies the context of a thread in another process (thread injection) 28->74 76 4 other signatures 28->76 31 01Cr0IUJZ.exe 28->31 injected 34 firefox.exe 28->34         started        process13 dnsIp14 46 www.hbqqoo.com 38.38.139.119, 49725, 49726, 49727 PEG-SV-PEGTECHINCUS United States 31->46 48 www.mshl2t.asia 154.215.105.24, 49717, 49718, 49719 OWGELS-AS-APOWGELSINTERNATIONALCOLIMITEDHK Hong Kong SAR China 31->48 50 13 other IPs or domains 31->50
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2026-05-26 04:38:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7anhnrgweceldpzu47ceyn4cfipzjgcu3hk4l5qgq2an5gh3a6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
wannacryptor
Create hunting rule
Similar samples:
06b4ddac05fc7398b45ed27aa2964f548d57513d7143cad79f9b34c95489f55c
Formbook
0c6730a7efa571195ca00c719b07035db16574b2cd5f9a8313fbb5661ce45841
Formbook
51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
Formbook
5e0e2876b259ae4c3dfdd53ac472e0759de1f00c590c6c02f3e1d9ff92e1d78c
Formbook
680c3a1fe5c2fe5a84ae9d575f1ef6f4a28dec59090a4018363e58635536e07a
Formbook
6fd1fb9c7ef73273554d83785045233a44abb00164da9b87fdc182a0df6c34da
Formbook
90e5738f4dbb734726dc3b1875060db5dfe7fb161cef9c65ad6e06804e781ba5
Formbook
b28e7ee3053e894417d6f851cfd9fb84e9fb5f0274401e6c9f28481c3745a8af
Formbook
d4b8fe07ff85c9a4cdaa1c078a9447c6e896008579c42ac9dad0d9c1ad02569a
Formbook
error
Formbook
+ 2'856 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260526-wjas3aav6t/
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:
1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c
MD5 hash:
36629c16781e807e233dbd515c07ec55
SHA1 hash:
f4d15eefcba11acb653e846da2f7a26d1c5af81e
Link:
https://www.unpac.me/results/e510b001-7b07-4f51-8d69-4cc3bc762948/
SH256 hash:
a1604ca61f20a797962939695bd6901d1af1392dd1cb6a8f7d574159f68a4114
MD5 hash:
61d1d73f897963f5a5d98f1eac6ad759
SHA1 hash:
b689189512053aed1f6120cc0f710c80e16f4006
Link:
https://www.unpac.me/results/e510b001-7b07-4f51-8d69-4cc3bc762948/
SH256 hash:
fb834a0ab2df553494aaef352befbd935d0b19be3c4f9e0c941396b23f1d19b9
MD5 hash:
fae1997c18e2eddb1a14b50a38f85b99
SHA1 hash:
d00909bc6d3db89af66ea9148f2e4a1a8cced112
Link:
https://www.unpac.me/results/e510b001-7b07-4f51-8d69-4cc3bc762948/
SH256 hash:
aee93a7b785cc0e825c7de19bd97f95563d05b77e7c8b816bea54bf14936dd0f
MD5 hash:
46c57cb9fa8bac0e52a77e8354bb35d1
SHA1 hash:
e326052186b300afb09faecd5ed26c47dc73e800
Link:
https://www.unpac.me/results/e510b001-7b07-4f51-8d69-4cc3bc762948/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1fc0d3b626b1/report/overview.html
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/1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Malspam

Formbook

Executable exe 1fc0d3b626b104458df9a73e2261bc1150fca4c2a6ceae2fb0343406f4c7d83c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68028/

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