MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1. 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 7 File information Comments
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SHA256 hash: 407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1
SHA3-384 hash: 72d29dcec3bc5169d2b9f29a5f56bd9aabeffd99b63b8c082b13e3f6b3a37ea561f59a2a6ace621eb0c91ac61f62a6ae
SHA1 hash: b212be2daaa150326f2e2321ef9e69a39d411b27
MD5 hash: 49a79981a58571a095fca86832212860
humanhash: green-washington-louisiana-blossom
File name:Reference Notice_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:396'327 bytes
First seen:2023-04-12 10:56:11 UTC
Last seen:2023-04-12 11:40:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:sYa6T8Iqt9VsNVDxcF2GE8vv1gikca3ZtaCsB7RJ9qgVBn+v97V:sYR85tEVDxcF2fc1dZwYygbk7V
Threatray 2'640 similar samples on MalwareBazaar
TLSH T1B384E04591F888E9C179C8731C84F98D76537C1A9C255E8A5E13F8E9E8331822BB7E1F
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 62ceaea6b2969eaa (14 x Formbook, 1 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Reference Notice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-12 10:58:41 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5b4478a2-bbf9-4fc4-a514-d6853c749ad2

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/381756/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.10030.25445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77583/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/64368e80f9f16cdc5d2e0e8c/reports/fb847f1b-1c3c-4cd8-838c-4d730d0ab286/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1
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/a2e2a32c-844e-462f-96f0-938d7b237f4d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1212467
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845383 Sample: Reference_Notice_pdf.exe Startdate: 12/04/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 5 other signatures 2->41 9 Reference_Notice_pdf.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\...\tzlusloo.exe, PE32 9->27 dropped 12 tzlusloo.exe 9->12         started        process5 signatures6 53 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->53 55 Maps a DLL or memory area into another process 12->55 15 tzlusloo.exe 12->15         started        process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 29 vinayakamconsultancy.com 103.104.74.204, 49702, 49703, 80 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 18->29 31 musicandgros.com 81.169.145.93, 49696, 49697, 80 STRATOSTRATOAGDE Germany 18->31 33 14 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 systray.exe 13 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 09:48:40 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ib6mukwzim5cuirptky44fagbp3nljoaihoi2k2ukjl72c7j5cyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43
Formbook
2666d6497d3cc713c61afcf15370f3f4efd89e1dd719afcb99c1184236b35112
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
3ab1320757d68dbf0e5eb5d31cf81247952c244bbfbda9466cd83d112efc2c72
Formbook
5efbfab2a58f8e0b0c7d135fc020b123234ee1c56d81ecb760b3bae95db34e60
Formbook
7421357a93e7c44d80dd1fca3c0359e23b98c590722ef09ee940766fb5252fdf
Formbook
804b5ea31eb2d266580093c2a144a1f62ef1ba88e39d2de9d79bbad405408197
Formbook
a21c6c623959c4995842ace85f7f5a7e3751c4930d28ebad92c7a737a7f8cfb8
Formbook
b6b4defc23fd79807ed6c5a4e2a111465c3e444a6efd07e837fcfffa4a19b688
Formbook
c883e6286eeb6bf200ac5bf790b70ba5547f49d0fdc2b2626dccec7727fa7b70
Formbook
+ 2'630 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230412-m19jaabg55/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
70087257272db93cc3ee229694c3edb9ff192b0f66884801519b6e64f8b9ba7a
MD5 hash:
39a60cff62832e8d0c8647e25e57052b
SHA1 hash:
93bac0e563e4844fdc7d4b596b50056eb2a05d1d
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fd461ae9-48c7-4605-ad20-5fba989c8149/
Parent samples :
66cb83b03a810acbd9b08071efcfb055b272da2df721695fc22624c6bb6cadd6
f086fd673358b6c65312de137bfaf70f8c634586d679326d6f5824bd7d274078
44b73a7929f70ff5632934c1048cefdb22783e2adb0fa5e59a6572c0fa3225b8
5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8
04c3eb853a54a7a81fc0eb11dcaf12b481bf2e8fc303aaaa39d26fb30eafd325
407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1
SH256 hash:
ddaeba256d72a04cb802b76fc847815a819e204edc6591e40a7fd0e772716b35
MD5 hash:
a3a676918150b352c2103c2d7dc503fa
SHA1 hash:
fde1c6735e65420f602dd8053c915a37424a5cf2
Link:
https://www.unpac.me/results/fd461ae9-48c7-4605-ad20-5fba989c8149/
SH256 hash:
e1185191319018b16696beb26b2d5707885c1f948ff551b691ed32f9eb719cac
MD5 hash:
4439991645e893a45884c269a8dfab98
SHA1 hash:
698f72e606f5816b418136dada22c3e396add1f5
Link:
https://www.unpac.me/results/fd461ae9-48c7-4605-ad20-5fba989c8149/
SH256 hash:
407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1
MD5 hash:
49a79981a58571a095fca86832212860
SHA1 hash:
b212be2daaa150326f2e2321ef9e69a39d411b27
Link:
https://www.unpac.me/results/fd461ae9-48c7-4605-ad20-5fba989c8149/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/407cca2ad943/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/407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381756/

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