MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
SHA3-384 hash: cf26d7c6576e14ce6ca351d455e7049bb039fcd08a065b56a6c3b886b4d5df84210e33ee6ada85b1a8c0e4c1d2a3bacd
SHA1 hash: 1c0b2df9b1b18d0aa404cb4f3baf9586722fa56f
MD5 hash: 809e39a121cb291a866c68123e1b8f6d
humanhash: kilo-may-nitrogen-double
File name:INVOICE # 24-815 PO-VPI01-250138.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:805'888 bytes
First seen:2025-08-25 03:04:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:cyXJriISA92Ypsn8aqM/aaolHuKVLmAUhoLhspp45JWXMUDo/xHcA7:eISA9TppVMiaol4APtoeDWi/i
TLSH T1BE050141129BDA03E49647B809D2F3B573748E5DA631D3078FE57DEBBD3EB4928006A2
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE # 24-815 PO-VPI01-250138.exe
Verdict:
No threats detected
Analysis date:
2025-08-25 03:05:51 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/bb3156f7-396f-42eb-a738-e20eeaca21de

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/23310/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68abd30de9d9dbcfd96ddb10
Tags:
n/a
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap formbook krypt lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego unsafe vbc vbnet zero
Link:
https://www.filescan.io/uploads/68abd3097137d684583a911b/reports/0ff2b186-e89d-4e1e-aa44-19e28037a08f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T22:23:00Z UTC
Last seen:
2025-08-24T22:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/77a0d83f-09ac-4d5c-96f4-82a5ad57e380
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764215
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
Suricata IDS alerts for network traffic
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764215 Sample: INVOICE # 24-815 PO-VPI01-2... Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 34 www.movieagency.xyz 2->34 36 www.weixinqq1204.xyz 2->36 38 19 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 5 other signatures 2->54 11 INVOICE # 24-815 PO-VPI01-250138.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 36->52 process4 file5 32 INVOICE # 24-815 PO-VPI01-250138.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 INVOICE # 24-815 PO-VPI01-250138.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 V9muAouj.exe 15->18 injected process9 process10 20 extrac32.exe 13 18->20         started        signatures11 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Modifies the context of a thread in another process (thread injection) 20->60 62 3 other signatures 20->62 23 4hSAdxAbCaX5.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 www.luetra.site 162.0.239.7, 49736, 49737, 49738 NAMECHEAP-NETUS Canada 23->40 42 www.rcq.mobi 154.215.180.125, 49752, 49753, 49754 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 23->42 44 9 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Link:
https://app.malva.re/file/809e39a121cb291a866c68123e1b8f6d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 01:13:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvs5bvhs3767k2n6faaxg23daknwonjgnhdjsrfsft3twniv4srq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250825-dljvmsal9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/53d1643d-06d1-4725-8ca7-5c3284a8050e
Unpacked files
SH256 hash:
3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
MD5 hash:
809e39a121cb291a866c68123e1b8f6d
SHA1 hash:
1c0b2df9b1b18d0aa404cb4f3baf9586722fa56f
Link:
https://www.unpac.me/results/ab81a582-42d2-4d72-a829-37ca2ab710bd/
SH256 hash:
9787a2e76ebf8b5079809945f81cfcfb54b03659ea2ce17301e14df89767495d
MD5 hash:
803b1dc595e24b6c45746bf3c5af6796
SHA1 hash:
22c66baf5c5fff68c0582f0bb08c5154e70a695a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ab81a582-42d2-4d72-a829-37ca2ab710bd/
Parent samples :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 hash:
8e3230feba75129e21e5246f2cc3cf1cc0d5d7e5b780ba95d6fd5d6b3b90d37f
MD5 hash:
473b32db1cfb4c0bf8aa6bebb4103ff9
SHA1 hash:
76bed8caec2fd04ee56af14124c663789c365fef
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/ab81a582-42d2-4d72-a829-37ca2ab710bd/
SH256 hash:
8ac837de39388efa6671f25a575083cd6465c393a2072243e670d7473f3b268b
MD5 hash:
6a5e018a025e5ae37014c53966632aad
SHA1 hash:
a388660723df970e8cfbe37453053a3056d09ee1
Link:
https://www.unpac.me/results/ab81a582-42d2-4d72-a829-37ca2ab710bd/
SH256 hash:
5ed632941c6b17a01cf2ff53a7b6294c8f4b5b7aae8c97859d7fc735f9746975
MD5 hash:
5158cb191914408590915bed071e4b4b
SHA1 hash:
56609987d898a677bdb1f8d7898b45ad2723e445
Link:
https://www.unpac.me/results/ab81a582-42d2-4d72-a829-37ca2ab710bd/
Parent samples :
13824be7378d454cf0da9481048b1ad869e2bdbe05340a34792674debef6916a
9100b0b6f9841dac7febdc66401cf61fccd63f126fa6769945c5505575f00cd9
9b372aa138671e6ea5c0be48db655a7f62172d9affe4d28c0559b28bf5181a67
1da6708a65f8dfe0c3359c8aa3fd07387c7aed37af8c66e5a5a0893aab14f547
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3565d0d4f2df/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23310/

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