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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
SHA3-384 hash: 9bcb5937036262d6cd285587b920d0cd0eb203c7c271d4fc4fa0f5596ad80ec75955c7dfc28c7067c7f124b86af00ebd
SHA1 hash: cbf062d3e8d36d9a3e13aec4b3f7ce0da03f8832
MD5 hash: 7cae9aa7a3ae51211c08017e8f7756a6
humanhash: robert-item-fifteen-ceiling
File name:555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
Download: download sample
Signature Formbook
Create hunting rule
File size:1'098'752 bytes
First seen:2026-09-04 20:23:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'218 x AgentTesla, 20'417 x Formbook, 12'370 x SnakeKeylogger)
ssdeep 24576:PJFosmVaQw0tJEhjCtbNAhpwOl345g4iq:x+3hwBCtbqGGYtiq
TLSH T11A35E1086157CB62DC5437B3CEB2CAF422735D9AD583C2EB56F87DA73A31BB41488642
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 :
1
# of downloads :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6f14b912-a389-46dc-b6bd-1882f1874de4/
Malware family:
n/a
ID:
1
File name:
рахункі-фактуры № A396 jpg.exe.xz
Verdict:
No threats detected
Analysis date:
2026-08-07 12:38:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bb9331c4-bf54-4d39-a5d4-dd5182644a91

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/84006/
Detection(s):
Win.Packed.Yogi-10060450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
entropy net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6a9b28eba99ba49ea8e5d764/reports/2ae531ca-093c-41b1-bc00-e0402a21ecd8/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-05T01:31:00Z UTC
Last seen:
2026-09-04T04:27:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c9686c9-3966-4032-b4ef-cc85ee5f19a0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.62 Win 32 Exe x86
Link:
https://app.malva.re/file/7cae9aa7a3ae51211c08017e8f7756a6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 04:36:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kvo5fb2ov7e47iyblosepkdgxrzgfn57icad5jn5rogx4zmw7puq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/a1ea5613-2349-4705-9527-ca83af2e1869
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260904-y6b1razcrd/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
MD5 hash:
7cae9aa7a3ae51211c08017e8f7756a6
SHA1 hash:
cbf062d3e8d36d9a3e13aec4b3f7ce0da03f8832
Link:
https://www.unpac.me/results/6a23043a-08c4-47d2-a2e0-a2d8b4077fb7/
SH256 hash:
7672ecef65b42c747fb9fac99f2281637fb92bd4f7adb43b02198c4c2ad56e55
MD5 hash:
660c82e5362a9eac830ade229cf4790a
SHA1 hash:
2ed1d6d8abaf853f0de33451d592ee50ee071a73
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/6a23043a-08c4-47d2-a2e0-a2d8b4077fb7/
Parent samples :
40018b81b80a0154b5003791d3faf1c38fdf9ae66584c6a95c8aab56cd38ff1d
babf0d6686c3c6637fe17f6813ea8e2e412d33cdc46f940f2b577ce06a04ed05
c0306b05d5a21a029af472c01e5a5e94f4307502d6c0381df16f9476a84470bb
55c48c9c8523805a5c8e75d07bc671f9f72fd91eb3b77fbf9f413d292301e33f
64465cfaee2db20531657bee57f40cec0f6747cd7fdc3b5933bafd64c117ba0b
b9789fb531882aedf594a79f5d2a951709e9321d01b45de306484b050c0c3e4a
95b393d7cafa87c480b7e773dc39e7d43fc1c19e1145d1a37314c2b64c5fe19f
b96d64de358bb8476386b4bfb3efac7b2626d0216dcfe8fa67bcbd6db97fd523
1588649aee36e1ce61a00a6288263ba398f4cef6eef974f90f152f28a7a91228
832d09099184aac6f8ca7e1f897b882cd417f6d3382bd691bc27b10cf2cda6d9
71b2d5bdb0fc99eca3630bbb0ec5399bbedd2911b2f0e40a40dc388fa17f13fa
b242bab0944ea9371a40d6e803dc2685ad71d87f03341b3d57fd3e05c479a5c5
c90529f66cc40fb2235eb0f1a02b98f8b96b114f6024c0f08f8f06055cafa4f7
bcbeefa49a4b670385ba7d078bd2c90975117086c508ee8fd2b8cc9340c22f12
2aa18980d797494df343795fd3842a13452f90ac94579150674c9f23b5bdcd71
d3046c15b23edd28bffb5977d8050a72af1fe7f765a5ad6dd72b137649ad3bbc
93660b62f478e4962d6dc77d0b2032b11a048da01d89fe85fb09e5b91b3dcf86
5c7fd9650f323d7e48b8cd3d16c781d3794c58e30dc32842ef1bd68a056f0470
fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21
555dd2874eafc9cfa3015ba447a866bc7262b7bf40803ea5bd8b8d7e6596fbe9
87d0be38269a7c3ac7cc71b87c7f9cbfddb60cfb287b30840564ebe70418a73e
fe480b90b31bd8709b94e921b6523bd7759a34ff2b13cde965125af19d07fb22
40ef805fbbf333e9a2c47bf8ca3832dd854829da0a31469ec5fd271348b6fab4
a18280c9c08a4bb7ab5ba0534912a60d4951a34ee8eaff7434c6a21e9c3d6ca0
687587baff7f25ded9f03274277f12b6d6a347af2238c3b32defc2736bc7023b
301a9e3b24f14798ed32be5de3dd802b4c13edc182bc1e29f80a40a1dcc2425e
a7af551e08af17f0403e468e934307455069f0cc9bfb8d99455ce56bff0bce33
a9ce90aff1dd29db1fb434488567b7e1da454d1c277d3747b08e05d4ad954179
50fc67ea2617b38f2c01149272fda2e529b231f034f4a4a53c6f152f049107b5
SH256 hash:
4bc7e68f9f3139ed21514d5295dd4b2d0f82c4edec6dcd4c126b3f556c24f489
MD5 hash:
670bdca8d2daafe7c3ee826018f9fcf1
SHA1 hash:
7ca91399d358b21126b7dc292c2b971295a8ff82
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6a23043a-08c4-47d2-a2e0-a2d8b4077fb7/
SH256 hash:
dfc0e295a44576e0006267b24efa98cc9f8217922c4f614ff6d2c87f4db0b516
MD5 hash:
06f146cfc33e0beb1d6cf63e385d7f57
SHA1 hash:
d97708b8228dd85ea6cb4d97f963097fa67d569d
Link:
https://www.unpac.me/results/6a23043a-08c4-47d2-a2e0-a2d8b4077fb7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/555dd2874eaf/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/84006/

Comments