MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
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SHA256 hash: d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
SHA3-384 hash: 3ae5dbedb97bc576c2a90462e295ff62ce3645c214ac6eb39a07396b1ce5747168ebc22c2a207b3ba6200bfe88709282
SHA1 hash: aee812e05fe0c691d2ea6278ab4f990208ad1725
MD5 hash: 0300dbdd5f0120adf5317d3172867258
humanhash: six-cardinal-solar-mockingbird
File name:(PO) No.W2201091.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:688'128 bytes
First seen:2023-04-24 07:59:45 UTC
Last seen:2023-05-13 22:55:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:GFsjs8mStV1bDyPmJeVW0/5p4mITK+L6Cxu1DZ6JF1NF6HU3RK/:aOJGPmJiimI2CxusF1Nek
Threatray 2'723 similar samples on MalwareBazaar
TLSH T143E4F0787217AEA7CBAECCF2518C63411BE733B77ABC755CAB1E04D10A867D4189C492
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
(PO) No.W2201091.exe
Verdict:
Malicious activity
Analysis date:
2023-04-24 08:03:58 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/b55e3597-e57a-4ef8-b679-f6f4aae7ba06

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/384485/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64463728809528e43aab0819/reports/8742a276-4a31-438c-bbfe-5217592d53f5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cf0f5085-60b7-41da-8f6c-9294fdf56e1b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1219790
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 852734 Sample: (PO)_No.W2201091.exe Startdate: 24/04/2023 Architecture: WINDOWS Score: 100 53 www.coupimmobilier.com 2->53 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 7 other signatures 2->69 11 (PO)_No.W2201091.exe 7 2->11         started        15 kzPsrPRsNHd.exe 5 2->15         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\kzPsrPRsNHd.exe, PE32 11->45 dropped 47 C:\Users\...\kzPsrPRsNHd.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmpB5B2.tmp, XML 11->49 dropped 51 C:\Users\user\...\(PO)_No.W2201091.exe.log, ASCII 11->51 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 11->77 79 Adds a directory exclusion to Windows Defender 11->79 81 Tries to detect virtualization through RDTSC time measurements 11->81 17 (PO)_No.W2201091.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        83 Multi AV Scanner detection for dropped file 15->83 85 Machine Learning detection for dropped file 15->85 24 kzPsrPRsNHd.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 17->55 57 Maps a DLL or memory area into another process 17->57 59 Sample uses process hollowing technique 17->59 61 Queues an APC in another process (thread injection) 17->61 28 explorer.exe 1 17->28 injected 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        process9 process10 36 cmmon32.exe 28->36         started        39 explorer.exe 28->39         started        signatures11 71 Modifies the context of a thread in another process (thread injection) 36->71 73 Maps a DLL or memory area into another process 36->73 75 Tries to detect virtualization through RDTSC time measurements 36->75 41 cmd.exe 1 36->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-21 14:53:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qacjkcbm2ftznsmxckgcpxgj6zxfcasluzmumdiab7xbwzq6hwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0072635a2bda42343af1afb62d86f500d931498337411f7fbbb0a850a3e386db
Formbook
0b329233081f419ae224da96afc864a2b2f822822319289ad60a3d2320a6d99f
Formbook
0b89806418ec582854a24adb93fba607c7f27938f2b653a081aefd1a5e419e4f
Formbook
0c5bd52278038e9194792544aa9ba56fa2fc62cdd74b5f5e47d8ab6ee7db5d0e
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
2069c3254c5a28daea136f39db600c179ba421e70f71cdd5765575012eb42d42
Formbook
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
Formbook
bd407e66453e00d96368122b1d8761c995aa3a9606995dbd46ec1629debb18ed
Formbook
e6d16fced75e8265e62b73cf660a303c0e03f50cead978df78b0a05f51aa42dd
Formbook
f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e
Formbook
+ 2'713 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ce18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230424-jv1gmscc61/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
1bdaffb11c20e77e5368237e17be8805b7c0a705f69b35dd054efc53a19a6e8c
MD5 hash:
285d2a6f998ad7caf3f4718f1281dd64
SHA1 hash:
cc6ff884f4fa53dd41ff484f86f4bab0ab7f88e2
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
Parent samples :
2069c3254c5a28daea136f39db600c179ba421e70f71cdd5765575012eb42d42
d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851
b08291dfdb766139150a65ebf9e895dea34436f76123a52116e0d03944e1a4e9
b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6
5a5c76f1d8102545a33474c1a81b7742425cea8bfc4dc81d112fc03af2d3682b
dae4a7ae7b88e0e864d2dac3ebabee86916b29c609623b754fbd253d2812a491
8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21
059d5f6ce17550f0aad80205593ff14cd81bcacf6e2b3bbc1cee716f9669aa64
e8cb5925478cdb28bba3e7c553ebc3bd1a3e292d83af4c16a8bfd14a7d20b05f
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
SH256 hash:
b624f72122eb6100f491e4424bfbd6d3263c24dbefb8900cd51156aba035d104
MD5 hash:
6cbe7289d7afe91844b1b52bf79b270b
SHA1 hash:
c02ed3fb5a625f1eb37f2c93ace0f21a1325b6f5
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
SH256 hash:
3caaaff76fee477b204ed448a7c05bf8b68412119f3322f0b4f86958b2d99220
MD5 hash:
21c32f012700a52463e0b677714cbe23
SHA1 hash:
153e82656f6413bb91e0ae5896394793b088f773
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
SH256 hash:
0087f05d744e20f5866a5093dca5b6dd1fdfe5e1a1330ecec1fcdf2067d590e5
MD5 hash:
09a6a55d7ac8e02258f02d2e0bf2fa90
SHA1 hash:
67a5f83f2603462f01c1849264918b550afb85b3
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
SH256 hash:
d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
MD5 hash:
0300dbdd5f0120adf5317d3172867258
SHA1 hash:
aee812e05fe0c691d2ea6278ab4f990208ad1725
Link:
https://www.unpac.me/results/c13f96e9-e6a0-46af-b70d-18e1a9df575b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d40024a84166/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/d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/384485/

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