MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
SHA3-384 hash: 49db621622e61e547a262ea12a6b51bf23861f098f150e92a9b1c5a9c6d1123c986fee0c0d71cd2dd860cf85d27c7bb1
SHA1 hash: 4a28362db72bdbc698f7066e69ac3c861642e14d
MD5 hash: bbdb642ec3974139e3ab90dd015ac57d
humanhash: papa-king-robin-ten
File name:583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
Download: download sample
Signature Formbook
Create hunting rule
File size:802'816 bytes
First seen:2025-10-09 14:16:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:G0M3SUyAKeqUZ9m+hF7hlMgF0qvXVQtsY2e6ekP/:G0Md1KeqeladiYlRk3
Threatray 1'870 similar samples on MalwareBazaar
TLSH T10E05F125237AEB01E4F60FF50930D3B00BB8BE59A821E2065EEAADEF78357506D55353
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.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 :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
Verdict:
No threats detected
Analysis date:
2025-10-09 15:48:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c3790428-3c09-473a-82fe-0d3643176a16

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/31425/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7c4d0277c2bd8bc5e6426
Tags:
virus spawn smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm krypt obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68e7caec7c75fa33a278ac34/reports/dfeacfe6-ad8b-449f-b70c-e21200e762f4/overview
Verdict:
Malicious
Labled as:
Trojan_MSIL_AgentTesla_MCH_MTB
Link:
https://www.hybrid-analysis.com/sample/583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-19T03:53:00Z UTC
Last seen:
2025-10-07T12:13:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/62333332-2028-450c-91fb-5a2cb1a29595
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Link:
https://app.malva.re/file/bbdb642ec3974139e3ab90dd015ac57d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 18:33:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=la6nfqtobv54pbwxnw7vbxiko3eae2vp2onw7ezo47owyt5kiyaq._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
10898c09830634012bc320ad02afc6120f285bada5b22db95687d0796e3d86d6
Formbook
45a93d40cacc929a74d68e107aa98540161d575be7907241fc9c287ffdf96791
Formbook
5163babf73802a06888e2301c7ef94a51e3a518736ada556da7c47918662baf6
Formbook
520b34067b58114e7c3d40563f6bfea19c2f42cfdeb1d1804f9fd97cf4279ba6
Formbook
8fe05e0f8d396aa98b482c87c67b0d4a3201242ddb71743df095b41ed3d05471
Formbook
a4e1ceb8458e0bca4119adb33ded5b1ef154f0ba69594b2079fbbcfb48cbe4ce
Formbook
e5736df87221b67a2e2a614374e1d6353043b95e08448ea9260e103ab18a5c8d
Formbook
error
Formbook
+ 1'860 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/251009-r5h94sfk7t/
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/20174057-9626-4d6e-b865-ba3c110213c8
Unpacked files
SH256 hash:
583cd2c26e0d7bc786d76dbf50dd0a76c8026aafd39b6f932ee7dd6c4faa4601
MD5 hash:
bbdb642ec3974139e3ab90dd015ac57d
SHA1 hash:
4a28362db72bdbc698f7066e69ac3c861642e14d
Link:
https://www.unpac.me/results/214194fb-4271-4ae6-bd51-56531a4ea22e/
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
Link:
https://www.unpac.me/results/214194fb-4271-4ae6-bd51-56531a4ea22e/
SH256 hash:
796895f86291ed8b552b663173cd35dfdc48d2e7d038ce6ea103848955a16e37
MD5 hash:
55cbac1bb92f70f90ce3270f041a3903
SHA1 hash:
9f00900f531fbc8296420010126524b004e531ff
Link:
https://www.unpac.me/results/214194fb-4271-4ae6-bd51-56531a4ea22e/
SH256 hash:
df72a9e5688f429ed6ae0a8310631243dda87f3848c70dbe0c55c8c473b06aa4
MD5 hash:
8eeee44d316f77a267905987aa8c203f
SHA1 hash:
e349c6de006c07b1dc553f3f5175319bda099e94
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/214194fb-4271-4ae6-bd51-56531a4ea22e/
SH256 hash:
37cb5ce5453c2eaed52382196d794a53816210c395777689d8a7df507e6af9af
MD5 hash:
aaeb8689877a10a79e357a5ade5be110
SHA1 hash:
ad1cc74dd0d52ee00577e1e50bb5d30f125eac6d
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/214194fb-4271-4ae6-bd51-56531a4ea22e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/583cd2c26e0d/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: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/31425/

Comments