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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11
SHA3-384 hash: 80f1dc9dd9753dc398fa5e781b0e4e302dafe661d4caa91101e4ae3e047339e295acb4f468bee7fb3440f6cadb743d3a
SHA1 hash: 43b5e31530b1bb58fdd801de9a67ad3640ac1b92
MD5 hash: 9870cdf26ed8ce382463b7f11a23b28a
humanhash: sierra-monkey-happy-earth
File name:Bank_Payment_receipt.com
Download: download sample
Signature Formbook
Create hunting rule
File size:952'320 bytes
First seen:2026-09-29 01:36:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'246 x AgentTesla, 20'509 x Formbook, 12'377 x SnakeKeylogger)
ssdeep 12288:jGE4FoxoBQhBGY5c25kID5JZjE+rm9OSc0l4oxwNIx5NQJd5ISVZ6WABWWv+W:4/BQT5d5kIDZI+rBS/mv1b6lW
TLSH T11215F0186FF69AD7D4A617B80271E63016B79F4AA531D2068EEDBCF73A327031913352
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 1032d232e98c3689 (16 x AgentTesla, 9 x Formbook, 8 x AveMariaRAT)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cfde929c-27a1-4ff0-bc50-3f05e50c4ac5/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-09-29 01:38:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5cb9c1af-f533-4bd0-9435-f6134a0ad77a

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/89556/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.24399942.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/6abb164978cca2bb00398c96/reports/c49bf9db-a35e-492e-b497-fafbf7b69331/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-28T21:59:00Z UTC
Last seen:
2026-09-28T22:20:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99a3be41-e67c-4e07-8eb1-108e06571731
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1979194
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979194 Sample: Bank_Payment_receipt.com.exe Startdate: 29/09/2026 Architecture: WINDOWS Score: 100 26 www.supersloteasy.com 2->26 28 www.sednin.top 2->28 30 24 other IPs or domains 2->30 52 Suricata IDS alerts for network traffic 2->52 54 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 8 Bank_Payment_receipt.com.exe 3 2->8         started        12 CeVKEheEo9x4.exe 2->12 injected 14 YEFZAhSwN.exe 2->14 injected signatures3 process4 dnsIp5 24 C:\Users\...\Bank_Payment_receipt.com.exe.log, ASCII 8->24 dropped 60 Injects a PE file into a foreign processes 8->60 62 Unusual module load detection (module proxying) 8->62 64 Switches to a custom stack to bypass stack traces 8->64 17 Bank_Payment_receipt.com.exe 8->17         started        20 SyncHost.exe 13 12->20         started        32 pgttravel.my 101.99.70.183, 49774, 49775, 49776 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 14->32 34 www.fabiolinck.online 66.22.16.138, 49713, 49715, 49716 RADWARE-CLOUD-SERVICES-RADWAREINCUS United States 14->34 36 13 other IPs or domains 14->36 file6 signatures7 process8 signatures9 38 Maps a DLL or memory area into another process 17->38 40 Queues an APC in another process (thread injection) 17->40 42 Found direct / indirect Syscall (likely to bypass EDR) 17->42 44 Tries to steal Mail credentials (via file / registry access) 20->44 46 Tries to harvest and steal browser information (history, passwords, etc) 20->46 48 Modifies the context of a thread in another process (thread injection) 20->48 50 2 other signatures 20->50 22 firefox.exe 20->22         started        process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Link:
https://app.malva.re/file/9870cdf26ed8ce382463b7f11a23b28a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2026-09-29 01:04:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rhfu6ia3ghbh6k53tcsbb4ma53nuiaveodiny3xldimtmr7tuiq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260929-b1xnyaycnd/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11
MD5 hash:
9870cdf26ed8ce382463b7f11a23b28a
SHA1 hash:
43b5e31530b1bb58fdd801de9a67ad3640ac1b92
Link:
https://www.unpac.me/results/c80c8980-7279-4deb-9d7d-a60975d20426/
SH256 hash:
cb32dba898acc1b7559d4518a688d37369292b5e816f9f83a5ac00bedc682cb2
MD5 hash:
3c71a1817a09645858f06bda686f13d2
SHA1 hash:
47cbac86cd1d0c59898ce18da5706e1aa4409ea5
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/c80c8980-7279-4deb-9d7d-a60975d20426/
Parent samples :
ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11
b5832522e94f5fa2a75f382faabbc4f61190c47c35e792400ebf8b6d32c798a5
8a28b491205f27b111b5c851dab1a2fbbbc50f02985a25437362157c8c2f7286
66d3101e3b2207acdbdd9d0c14a1c3ea064e14a771705d8a4583faecaba98544
3e3f0f03a52304570aaf18d4536e8be8a3577e68a198edc53e5877283c18ea5d
905875f98083af8c8f692cded87b1f36e87f68b0c09072aa171a84fb9f957e11
SH256 hash:
74dfd3cf7ce6062f8eade774f4c0f717dc8e22229f4739e0b26ac5833713cfdc
MD5 hash:
fb7af48a514870867edddb913817e2d7
SHA1 hash:
a5e7fee76cdd54f8325c06af3dbabbf638f37dcb
Link:
https://www.unpac.me/results/c80c8980-7279-4deb-9d7d-a60975d20426/
SH256 hash:
1d90c167fbee2848deb7ab4d030c544111564280a17e22f956b118a6372b04e4
MD5 hash:
4d9914bf9a782b5062175e25219eb939
SHA1 hash:
ba401cfe3d4ae65bf1a66f5bec8e5f8f1f289077
Link:
https://www.unpac.me/results/c80c8980-7279-4deb-9d7d-a60975d20426/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ec4e5a7900d9/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/ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11

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: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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

Formbook

Executable exe ec4e5a7900d98e13f95ddcc520878c0776da2015238686e37758d0c9b23f9d11

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/89556/

Comments