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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c
SHA3-384 hash: 150dd4471fa413edd6b4c9580f68b27029a828211bec797b5f0f9800d27f6dd80bcc10931a12267b2faf364e9be5d5f4
SHA1 hash: 4c203ade042c6da758941c90d1a564201a21a6a6
MD5 hash: d6bde4cabe4a22ce950e701209c583f8
humanhash: jersey-virginia-sweet-artist
File name:SecuriteInfo.com.Trojan.PackedNET.3687.21087.26668
Download: download sample
Signature Formbook
Create hunting rule
File size:795'136 bytes
First seen:2026-10-29 13:24:58 UTC
Last seen:2026-10-29 14:27:34 UTC
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'322 x AgentTesla, 20'747 x Formbook, 12'407 x SnakeKeylogger)
ssdeep 24576:6QSATMRljqIiS6tHmZqFBWN2ApqJdUEK:C6sZAhby
TLSH T19405E01821B75B12E5B66FF46EB0E0B467B62DAA2530D0984FD62CDB34B7B017D06363
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/16c9253d-f04a-4a4a-9fc2-68aeaa4f08ca/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-29 13:35:22 UTC
Tags:
rgbloader loader
Link:
https://app.any.run/tasks/bab92f09-d8d9-4977-b5b7-cb966bb95868

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/95954/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3687.21087.26668.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae34942b175ade21dce8109
Tags:
virus shell micro
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-29T05:59:00Z UTC
Last seen:
2026-10-30T17:24:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a5fd9172-313e-47e7-a0ab-8398aaea1590
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1994684
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
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1994684 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 29/10/2026 Architecture: WINDOWS Score: 100 36 www.shikpush.ir 2->36 38 www.shaoyifu.com.cn 2->38 40 24 other IPs or domains 2->40 64 Suricata IDS alerts for network traffic 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected FormBook 2->68 70 6 other signatures 2->70 8 SecuriteInfo.com.Trojan.PackedNET.3687.21087.26668.exe 4 2->8         started        12 CcPmAuLYjLM9.exe 2->12 injected 14 DbtsQgXUtMK.exe 2->14 injected signatures3 process4 dnsIp5 34 SecuriteInfo.com.T...21087.26668.exe.log, ASCII 8->34 dropped 72 Writes to foreign memory regions 8->72 74 Allocates memory in foreign processes 8->74 76 Adds a directory exclusion to Windows Defender 8->76 78 Injects a PE file into a foreign processes 8->78 17 MSBuild.exe 8->17         started        20 MSBuild.exe 8->20         started        22 powershell.exe 23 8->22         started        24 recover.exe 13 12->24         started        42 marafiq-maathn.org 87.237.225.106, 49759, 49761, 49762 WAFAINET-ASWafaiNetSA Greece 14->42 44 www.prostookredycie.pl 91.236.131.90, 49716, 49717, 49718 TARRCI-ASPL Poland 14->44 46 11 other IPs or domains 14->46 file6 signatures7 process8 signatures9 48 Maps a DLL or memory area into another process 17->48 50 Queues an APC in another process (thread injection) 17->50 52 Found direct / indirect Syscall (likely to bypass EDR) 17->52 54 Unusual module load detection (module proxying) 20->54 56 Switches to a custom stack to bypass stack traces 20->56 26 WmiPrvSE.exe 22->26         started        28 conhost.exe 22->28         started        58 Tries to steal Mail credentials (via file / registry access) 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 62 Modifies the context of a thread in another process (thread injection) 24->62 30 firefox.exe 24->30         started        32 chrome.exe 24->32         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/d6bde4cabe4a22ce950e701209c583f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-10-29 08:47:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4mk43t4m2pssplumiplyt77sykwi4oqaurdv24pawndflqxld56a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/261029-qn33hsdt9n/
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
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector evasion
YARA:
n/a
Link:
https://app.threat.zone/submission/865ca652-d805-4cda-ae3a-1e23a4c7f8fd
Unpacked files
SH256 hash:
e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c
MD5 hash:
d6bde4cabe4a22ce950e701209c583f8
SHA1 hash:
4c203ade042c6da758941c90d1a564201a21a6a6
Link:
https://www.unpac.me/results/803630bf-5171-466f-bc26-05203bb5e1e8/
SH256 hash:
679010aa923d345681aa79855ceebe8d6b76d21e95fa7278cf65d3e2a2a15da0
MD5 hash:
a2129c48b7b7678a823321415e1c1798
SHA1 hash:
151775d3cfb80529d2fc48149674aa62b6b2945f
Link:
https://www.unpac.me/results/803630bf-5171-466f-bc26-05203bb5e1e8/
SH256 hash:
b9ef8fef5b455817a626806044ae6567cb1f7bafaa7d17a7724a02a25f90d2d2
MD5 hash:
86ce51cb209a5dcd67d0b47572b4e9e2
SHA1 hash:
b6ea8196e73da138d403048b659127ffd5c0c73f
Link:
https://www.unpac.me/results/803630bf-5171-466f-bc26-05203bb5e1e8/
SH256 hash:
b07ef574d60e94386e15565b76d57c34b1b547b5f169eb1058e39c65716f2e70
MD5 hash:
633ca1967c135e9dc4d7009eb6359c12
SHA1 hash:
d5da6dbe89366b08bf8172338524ada6900775b5
Link:
https://www.unpac.me/results/803630bf-5171-466f-bc26-05203bb5e1e8/
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/e315cdcf8cd3e527ae8c43d789fff2c2ac8e3a00a4475d71e0b34655c2eb1f7c

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:DotNet_RGB_Embedded_AssemblyLoader_Hunt
Create hunting rule
Author:ShadowOpCode
Description:Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Create hunting rule
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

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/95954/

Comments