MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9
SHA3-384 hash: 87d56dabb96eaf94666dee080b635ddc048839ef993196b4694964561694e1adf78dcc56f2c27403daa57bfc79222ff9
SHA1 hash: 7ad7baf882b44ea3a33a0da03bf1e6c0398d6f22
MD5 hash: 907a14c848304e9261663658f1087644
humanhash: tango-carbon-spring-cola
File name:efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9
Download: download sample
Signature Formbook
Create hunting rule
File size:1'026'560 bytes
First seen:2026-08-10 14:56:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'339 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:H6U44Lkt/cINsvEm+3XD4uu9asTabnf7RPt9xyR75UB:H6kLkNLNsXa4basTAndPtA75UB
TLSH T13425225532A38702E8776FF508A6E83157B66C9FB120D60A9FEC2DDFB44A7445D023A3
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 060e0e0e06969696 (31 x Formbook, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/97145287-f1b2-412a-8eaf-368b07cd97c8/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80088/
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:
barys base64 entropy formbook packed
Link:
https://www.filescan.io/uploads/6a79e6c02b1816fd61bc2948/reports/221a9ea0-b7f0-40f1-b581-0ae47893c433/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-28T12:38:00Z UTC
Last seen:
2026-08-11T06:57:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9/
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Create hunting rule
Status:
Malicious
First seen:
2026-07-29 01:39:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/885beff8-351f-4cce-b85d-bf5de85f0fc7
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-snqtas1grd/
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:
efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9
MD5 hash:
907a14c848304e9261663658f1087644
SHA1 hash:
7ad7baf882b44ea3a33a0da03bf1e6c0398d6f22
Link:
https://www.unpac.me/results/37307538-9d09-4167-b278-184080eb0a11/
SH256 hash:
5eeb285a5172b9798991b5c86de34346693164d20519cc197e0a8128cb128ddc
MD5 hash:
66453439ecc9ab3734272b3eb5d61bc1
SHA1 hash:
456038d34b4baf469fc322f0bbf89c35b43853db
Link:
https://www.unpac.me/results/37307538-9d09-4167-b278-184080eb0a11/
SH256 hash:
47a856ff7d9bf14949f9a1deed4ba4ec9495a9ef95ee41ba6d78f630561d166c
MD5 hash:
332b4cd85d1b878f5c5bf709b5984644
SHA1 hash:
ddba69ce01e7ea28029d271d4dd2f75bc3bf454f
Link:
https://www.unpac.me/results/37307538-9d09-4167-b278-184080eb0a11/
SH256 hash:
c53c54158af280a5be9a481deef57f77e6215c1eea433b2fb373420ed915bc4f
MD5 hash:
559cd1126dca0f29f681c2e33da36664
SHA1 hash:
84d125f6b9873bb0d5c0f6fb4e554631784bc423
Link:
https://www.unpac.me/results/37307538-9d09-4167-b278-184080eb0a11/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efbdd2173551/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/efbdd2173551cae0bb7f56fcb88a0340fee48e4bd4fca88daf3c1ab7c96a4cf9

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/80088/

Comments