MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
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SHA256 hash: be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b
SHA3-384 hash: fab4a01433bda3aeff2729dbf855fc9d206754706616474921ecdd12bb0ed50669c7d41227988087fbebf2abd74faed0
SHA1 hash: a8abcf28a7b2ffe4d5cf30b850dd6a2bff67a087
MD5 hash: bea46eab398316cb250e0d7f6bbbbc84
humanhash: green-lima-ohio-fruit
File name:bea46eab398316cb250e0d7f6bbbbc84
Download: download sample
Signature Formbook
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File size:30'720 bytes
First seen:2022-06-13 10:04:55 UTC
Last seen:2022-06-13 11:02:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:t7JbIp4CNf7ojFYwQ7XvLWRgcL0ST8iNxy22:JJb24sm7oWRgcL9HNxv2
TLSH T1E8D2BF1BF3A4CE35EA7617711F6357000BB46892CC27DB6FA481604BAF263A609C76B5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
bea46eab398316cb250e0d7f6bbbbc84
Verdict:
Malicious activity
Analysis date:
2022-06-13 10:30:54 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e6474990-8d84-4d1e-a7b8-619b7050a543

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/279311/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.64236.23859.25377.UNOFFICIAL
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SecuriteInfo.com.Trojan.DownLoader44.64236.13187.19943.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Forced system process termination
DNS request
Sending an HTTP GET request
Creating a window
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62a70bf1a454cbb2f2f9220d/reports/f1f4ca7b-2429-4458-8f4b-0afa50aaf6cc/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/96963fb7-f6be-420c-a8a5-fa324b748966
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012225
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644732 Sample: rsR48e0UV1 Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 9 rsR48e0UV1.exe 15 7 2->9         started        process3 dnsIp4 44 lambweston.ga 192.185.174.179, 49754, 80 UNIFIEDLAYER-AS-1US United States 9->44 40 C:\Users\user\AppData\Roaming\...\Uyxbdqu.exe, PE32 9->40 dropped 42 C:\Users\user\AppData\...\rsR48e0UV1.exe.log, ASCII 9->42 dropped 60 Creates an undocumented autostart registry key 9->60 62 Writes to foreign memory regions 9->62 64 Injects a PE file into a foreign processes 9->64 14 MSBuild.exe 9->14         started        17 cmd.exe 1 9->17         started        19 powershell.exe 15 9->19         started        file5 signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 2 other signatures 14->72 21 cmmon32.exe 14->21         started        24 explorer.exe 14->24 injected 26 autofmt.exe 14->26         started        28 autofmt.exe 14->28         started        30 timeout.exe 1 17->30         started        32 conhost.exe 17->32         started        34 conhost.exe 19->34         started        process9 signatures10 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 36 cmd.exe 1 30->36         started        process11 process12 38 conhost.exe 36->38         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2022-06-12 12:05:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzi62toflqlzo2zwg3f26zd7nvabbokh47v3voqey6n6srku5inq._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-l4hpasbfc9/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b
MD5 hash:
bea46eab398316cb250e0d7f6bbbbc84
SHA1 hash:
a8abcf28a7b2ffe4d5cf30b850dd6a2bff67a087
Link:
https://www.unpac.me/results/469f1670-1891-46b5-b0a8-5b32d5f67e1e/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be51ed4dc55c/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/be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe be51ed4dc55c17976b3636cbaf647f6d4010b947e7ebbaba04c79be94554ea1b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/279311/
  
URLhaus
https://urlhaus.abuse.ch/url/2236280/

Comments


Avatar
zbet commented on 2022-06-13 10:04:59 UTC

url : hxxp://104.168.32.14/m/uym.exe