🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32
SHA3-384 hash: 96c85507b4a536589d71233f86ae86179c19994a2b42b121768404359dc8d64f47790969a48f23feae34a0b5999e2f30
SHA1 hash: 0b3e8e11ac0aa3b88ea280af0b6625fabde3f8ad
MD5 hash: 8594a6fe0265fa1629c16411f0fd3d77
humanhash: kentucky-iowa-alabama-item
File name:RFQ-REF HG599RJK 26910.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'147'904 bytes
First seen:2026-09-10 02:16:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'233 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger)
ssdeep 24576:9xRDqj0qdPXOydvZc2ehQD7FBwOGD+cYt0sMrTHJazw8:L8ROyfYiDJ6OE+cYt0s+JCf
TLSH T1213512681A1BD803D06A57354AF1E1B407B91EEDE942D35B5FE96EEB3932F814D80383
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b991daeb-0470-4eb3-840d-48e1326af1a3/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-10 02:21:52 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/9c95226a-b6cf-4f28-b4a1-d3a4eec22c23

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/84706/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Blocking the Windows Defender launch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
corrupted evasive formbook net_reactor obfuscated packed packed vbnet
Link:
https://www.filescan.io/uploads/6aa2132a8f16ee2ad975c6ef/reports/eb6f2d1c-943d-4f4a-9ff9-faf3039e971e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-09T22:00:00Z UTC
Last seen:
2026-09-09T22:58:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0aed88fb-59cf-4e55-8a2a-1b310826ac24
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1971112
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1971112 Sample: RFQ-REF HG599RJK 26910.exe Startdate: 10/09/2026 Architecture: WINDOWS Score: 100 31 www.bandatransportoare.xyz 2->31 33 www.yaksamedia.com 2->33 35 9 other IPs or domains 2->35 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 47 Yara detected AntiVM3 2->47 51 6 other signatures 2->51 10 RFQ-REF HG599RJK 26910.exe 3 2->10         started        signatures3 49 Performs DNS queries to domains with low reputation 31->49 process4 file5 29 C:\Users\...\RFQ-REF HG599RJK 26910.exe.log, ASCII 10->29 dropped 61 Injects a PE file into a foreign processes 10->61 14 RFQ-REF HG599RJK 26910.exe 10->14         started        17 RFQ-REF HG599RJK 26910.exe 10->17         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Queues an APC in another process (thread injection) 14->67 69 Found direct / indirect Syscall (likely to bypass EDR) 14->69 19 PB3FmbAS.exe 14->19 injected process9 process10 21 getmac.exe 13 19->21         started        signatures11 53 Tries to steal Mail credentials (via file / registry access) 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 Modifies the context of a thread in another process (thread injection) 21->57 59 3 other signatures 21->59 24 NJQQGvQnHIh.exe 21->24 injected 27 firefox.exe 21->27         started        process12 dnsIp13 37 www.bandatransportoare.xyz 185.46.40.240, 49750, 49751, 49752 ATAK-ASTR Turkey 24->37 39 w021dd24.kasserver.com 85.13.164.6, 49754, 49755, 49756 NMM-ASD-02742FriedersdorfHauptstrasse68DE Germany 24->39 41 5 other IPs or domains 24->41
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.64 Win 32 Exe x86
Link:
https://app.malva.re/file/8594a6fe0265fa1629c16411f0fd3d77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32/
Threat name:
Win32.Dropper.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-10 02:17:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
11 of 36 (30.56%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eefomvw7shfg7zomulad643xczrxkn7gxdm6ar3lv7bgrtvwjqza._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
XWorm
Create hunting rule
Link:
https://reports.threatray.com/ffa6fe46-50f2-473c-ba18-d7d6181f40b5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/260910-cqtd7scq2v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Modifies Windows Defender DisableAntiSpyware settings
Unpacked files
SH256 hash:
210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32
MD5 hash:
8594a6fe0265fa1629c16411f0fd3d77
SHA1 hash:
0b3e8e11ac0aa3b88ea280af0b6625fabde3f8ad
Link:
https://www.unpac.me/results/67e6b333-08c0-4cdb-91cd-e137ed6cfbf4/
SH256 hash:
60bdee938635f42ec81f396de80e99f7bbbe69d6af4d60c265adaab3d1c90ced
MD5 hash:
10d9fec87e9983c03f69470c3c3ff200
SHA1 hash:
0554c8193d28e7bb05fe077a44f53138bdc21fb9
Link:
https://www.unpac.me/results/67e6b333-08c0-4cdb-91cd-e137ed6cfbf4/
SH256 hash:
9a88d3b9b59901804c6a481430bd1b8f59f4155abe70519415d7c91c315e59f8
MD5 hash:
7e2169307e8d134ca057da45dc1105ad
SHA1 hash:
16c291275ebd92399df7328c9bd93f1c505b7240
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/67e6b333-08c0-4cdb-91cd-e137ed6cfbf4/
SH256 hash:
0aca3c39b8c20307b95837586d3c02a49b22613ca19469819af9716a066f6eb0
MD5 hash:
1f47e045ae948e114c740b5f31d40ca5
SHA1 hash:
eff74fa9390241d126ce837d3cf2a6fe21142e32
Link:
https://www.unpac.me/results/67e6b333-08c0-4cdb-91cd-e137ed6cfbf4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/210ae656df91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32

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.

Malspam

Formbook

Executable exe 210ae656df91ca6fe5cca2c03f737716637537e6b8d9e0476bafc268ceb64c32

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/84706/

Comments