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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3
SHA3-384 hash: 9d95a73d1b09177e89a32588e0ff0a434f2093911df588646b77dbe922662709e85b92833bcd63867f02ae91dfff0942
SHA1 hash: 97f00887fcc0237e684ddaadd9f497d3db1b1e53
MD5 hash: c990578380966b0f6af28a445054cc24
humanhash: helium-october-north-cup
File name:e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3
Download: download sample
Signature Formbook
Create hunting rule
File size:1'069'056 bytes
First seen:2026-08-10 14:43:19 UTC
Last seen:2026-09-04 19:58:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'272 x AgentTesla, 20'616 x Formbook, 12'394 x SnakeKeylogger)
ssdeep 24576:TmqfPIEg3AXTHK6XqBbgvBxYk6kZCkyodmp50:BPIEyAXTHtaBb4xRbRMp
TLSH T13C350114231A9901E1E687F6B9A0E37032B90DCF79D2D3E15FEA6FF734197812964683
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6e83b5d0-8fab-45ab-9132-2910a734f278/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79991/
Detection(s):
Win.Packed.Remcos-10060427-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac520575b188c3480f0a155
Tags:
virus micro
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy packed vbnet
Link:
https://www.filescan.io/uploads/6a79e3e969834dc6806958d9/reports/6f39f7ce-715e-4763-9b96-ba949aa6c479/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-22T03:28:00Z UTC
Last seen:
2026-08-11T03:15:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-22 07:04:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4rl7wyc7kz2qqm5uhfpw37ql3crab3vrltqwfpcyumnw4btkd7jq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/129ce612-56f0-4f0e-92dd-591d07238a64
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-savv4abn8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
e457fb605f56750833b4395f6dfe0bd8a200eeb15ce162bc58a31b6e066a1fd3
MD5 hash:
c990578380966b0f6af28a445054cc24
SHA1 hash:
97f00887fcc0237e684ddaadd9f497d3db1b1e53
Link:
https://www.unpac.me/results/3a20043f-f231-499f-aaf6-5af457626c23/
SH256 hash:
78a57b5ff9e0f256291debbd25a32d9b13da7d3b759a48189f6f742b08c03c2c
MD5 hash:
4ac3f317d8220b40333d88606da1bf6a
SHA1 hash:
8aecf48df4171ca223f9bad6dcb22e2189c7c23c
Link:
https://www.unpac.me/results/3a20043f-f231-499f-aaf6-5af457626c23/
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
Link:
https://www.unpac.me/results/3a20043f-f231-499f-aaf6-5af457626c23/
SH256 hash:
1ddfe0a8cefceef398dd002ce69247fa63e153a272cb07c2b89e6c48d34c62f5
MD5 hash:
0435e74deba2665a4890af2e22d7f14a
SHA1 hash:
437716fd51505cf357b9c5979889d401f30205c2
Link:
https://www.unpac.me/results/3a20043f-f231-499f-aaf6-5af457626c23/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e457fb605f56/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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

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/79991/

Comments