MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73
SHA3-384 hash: 563b1efa65fc124bfd4170c2d28d20b95a2b2e10db0c9fe9d3fd732b7e257da73a32f83efd0001866661b8a5b5b32911
SHA1 hash: 8f2d7c65bb68caac3a7ab4743018e10b5f0141c9
MD5 hash: 773ee6cdbe23a3fc6b62331121a12857
humanhash: stairway-music-social-music
File name:a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73
Download: download sample
Signature Formbook
Create hunting rule
File size:1'009'664 bytes
First seen:2026-08-10 14:23:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:KyAjq2NuIyVH0vQuHsHAJsg3rM7RDnWD:KyAPz3YT05bQ1W
TLSH T1182523181955D917C66007B86E22F3B86679ACF96C00E343AFDEADDFF923E149C440E6
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 :
48
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/345bfe68-d987-4136-82c4-2cecd4b1ff47/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79850/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
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:
packed
Link:
https://www.filescan.io/uploads/6a79df445ca504a8496e2316/reports/5e1a89e5-eb32-491a-bb8a-5083f45fa61e/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.ETH trojan
Link:
https://www.hybrid-analysis.com/sample/a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-14T15:23:00Z UTC
Last seen:
2026-08-07T23:31:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/425df8bc-2661-48ec-85b5-5a102c4e3da8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-07-14 23:14:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
XWorm
Create hunting rule
Link:
https://reports.threatray.com/17fed280-ee3e-44ea-b1ce-bf420f8f4170
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-rq7zxs1ara/
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:
a109e758dc12919be0d48ce0344e79cd6c2159b4eb0226a328e0bc67f34f4a73
MD5 hash:
773ee6cdbe23a3fc6b62331121a12857
SHA1 hash:
8f2d7c65bb68caac3a7ab4743018e10b5f0141c9
Link:
https://www.unpac.me/results/915c7041-ece9-4210-bc0a-0817e124a231/
SH256 hash:
77df3d43480e10912b5de2a8a17e6eacf12dcfa3c8f74e2fc1368f8f29564f93
MD5 hash:
5598de885bb6c5f8bda62a0e8599201b
SHA1 hash:
37deacbe172d70edae9e8dd98d2532aed4c4413f
Link:
https://www.unpac.me/results/915c7041-ece9-4210-bc0a-0817e124a231/
SH256 hash:
17e02729304f76181a500f095c9637d70c3b4144668c21697921f53739eb8cfe
MD5 hash:
297d9a4222012f53bf9f4714b98c3a45
SHA1 hash:
b0c195a7731235b3f12b1045e888beffbb57fd77
Link:
https://www.unpac.me/results/915c7041-ece9-4210-bc0a-0817e124a231/
SH256 hash:
52358f8c7284f3dcc7fca1bd39ddf25bac725d7161714d68ec29e73a44e99f15
MD5 hash:
835e48de8a726092706962cf849140db
SHA1 hash:
54c061712a819741ce4e42c6c83e99b7a6ae2987
Link:
https://www.unpac.me/results/915c7041-ece9-4210-bc0a-0817e124a231/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a109e758dc12/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/79850/

Comments