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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a
SHA3-384 hash: 524601abfc07c13ec312dfb10797c3d9269e2a25670fccc5e01938f512ea134c0f7273ff61ca1d89fed2e4b385e864fa
SHA1 hash: 6e21df4978928acfb4a6a6cffced2ff826d39934
MD5 hash: fbaaa07e5bcb9b692d1a90d426bef18b
humanhash: timing-september-snake-fish
File name:NEW_MV_TBN_Order_Quotation_Forms.com
Download: download sample
Signature Formbook
Create hunting rule
File size:1'084'416 bytes
First seen:2026-09-21 07:44:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'247 x AgentTesla, 20'516 x Formbook, 12'379 x SnakeKeylogger)
ssdeep 24576:dwoWEkiboo8ikR5SXN405NA3RiFXODl3MA:JWEnbooTkHS9ZAA9ODlc
TLSH T1D53512296B6AC712E8A91BB508B4F37503B51E4EFA20D3458FFDACDB3411F066849793
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 :
1
# of downloads :
185
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9bb45fad-79be-4a68-983c-06e460a7b75a/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-21 08:10:27 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/848d98a2-6b7c-4f86-a99d-da85a9efe5ef

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/87926/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.61265872.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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6ab0e08f1330a10758e488a3/reports/2b1d65d5-5582-4ed1-b84f-c55a6df30a52/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-21T04:03:00Z UTC
Last seen:
2026-09-23T05:33:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87da1911-de46-4e82-9e19-7df62172c0f8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1975415
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.36 Win 32 Exe x86
Link:
https://app.malva.re/file/fbaaa07e5bcb9b692d1a90d426bef18b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Create hunting rule
Status:
Malicious
First seen:
2026-09-21 07:20:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxvfluamgvqyegdyh6ulmr5hmctyo3vkt6ws2mg533ugacyvrfna._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/387d6617-5d6f-49b3-8235-fb582dfd824f
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260921-jlkd3ack41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a
MD5 hash:
fbaaa07e5bcb9b692d1a90d426bef18b
SHA1 hash:
6e21df4978928acfb4a6a6cffced2ff826d39934
Link:
https://www.unpac.me/results/b9b2c069-a0c8-4e34-9cbe-8a56f7905180/
SH256 hash:
829dc0c7f8687b46ed55302584a81bff6da566fda89811f010fd80e19f745e71
MD5 hash:
e830156ff83c981251a29191aaa68ad4
SHA1 hash:
7d0de3aed236120dff6af4b9d2b4fdfa55894be9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b9b2c069-a0c8-4e34-9cbe-8a56f7905180/
SH256 hash:
e8204fc3f06561d5c8fc8554ceca48fecb1fb185979f1d959f82156f44806060
MD5 hash:
9604cb77539049822456da0664bcb734
SHA1 hash:
bc1b7782c2bc6fb4497f6a40153edeb9a94c1b66
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/b9b2c069-a0c8-4e34-9cbe-8a56f7905180/
Parent samples :
f9978c6e34be9228a6638b37653c4e390002d5984192f71fdbc9e3fb1b0e1124
61539d1e98768dcb4843cb39e0c40625c015d8a2fce217beffe369349b6b8f1d
55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a
b13566d9fe407cc22c901a4a624a326999c74ec3e63ee1b2772741e460333c77
26f4fd7217794560c9cf8dae6f9230e35b13f0471bd4d03f3cc372e6a2fd2f40
SH256 hash:
128c9333f1c44122e5f3afeb82ef95b401887e7c2c6655858d5226db4b3befab
MD5 hash:
83199b3aacaa4396b34708a0c48e68d7
SHA1 hash:
0179021522eb44b31fbbb58cef6d98345e305260
Link:
https://www.unpac.me/results/b9b2c069-a0c8-4e34-9cbe-8a56f7905180/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55ea55d00c35/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a

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
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_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 55ea55d00c35618218783fa8b647a760a7876eaa9fad2d30dddee8600b15895a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/87926/

Comments