MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: 8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655
SHA3-384 hash: 1eb209f40b019acac98f5b0b8677ad8b50cc7f4fe03433ce5d0e94a26a57c1753cc97414b3a40de91b7d4991ec54771c
SHA1 hash: e62a3bc62e81f08d4ee58080999c517104908e38
MD5 hash: 64203d7f2be03517adf6c505b3954464
humanhash: jersey-alanine-fifteen-pasta
File name:SecuriteInfo.com.W32.AIDetectNet.01.18427.22895
Download: download sample
Signature Formbook
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File size:30'208 bytes
First seen:2022-06-15 13:53:36 UTC
Last seen:2022-06-15 14:40:18 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:Dgbi09Nf7oSFYwQTXvLWRgcL0ST8iNxy2s:Dgbxf97gWRgcL9HNxvs
TLSH T1FFD2C05FF7A4CA26EA710B711EB313018B78B493CD16CB6F9490964A7E233B109877B5
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280197/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.18427.22895.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a9e47d6ca90a5b22c44845/reports/d5bda7f1-42c1-4a35-b538-0121387eef97/overview
Result
Verdict:
UNKNOWN
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/baaee90f-1433-40f5-814a-ea3d28382be6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013741
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
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)
Multi AV Scanner detection for domain / URL
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 virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646251 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 10 other signatures 2->69 10 SecuriteInfo.com.W32.AIDetectNet.01.18427.exe 15 7 2->10         started        15 explorer.exe 2->15         started        process3 dnsIp4 49 toesbv.ga 192.185.174.189, 49842, 80 UNIFIEDLAYER-AS-1US United States 10->49 51 192.168.2.1 unknown unknown 10->51 43 C:\Users\user\AppData\...\Qyejuzru.exe, PE32 10->43 dropped 45 C:\Users\...\Qyejuzru.exe:Zone.Identifier, ASCII 10->45 dropped 47 SecuriteInfo.com.W...et.01.18427.exe.log, ASCII 10->47 dropped 77 Creates an undocumented autostart registry key 10->77 17 MSBuild.exe 10->17         started        20 MSBuild.exe 10->20         started        22 cmd.exe 1 10->22         started        24 powershell.exe 15 10->24         started        file5 signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 17->53 55 Maps a DLL or memory area into another process 17->55 57 Sample uses process hollowing technique 17->57 59 Queues an APC in another process (thread injection) 17->59 26 explorer.exe 17->26 injected 61 Tries to detect virtualization through RDTSC time measurements 20->61 28 conhost.exe 22->28         started        30 timeout.exe 1 22->30         started        32 conhost.exe 24->32         started        process9 process10 34 WWAHost.exe 26->34         started        signatures11 71 Modifies the context of a thread in another process (thread injection) 34->71 73 Maps a DLL or memory area into another process 34->73 75 Tries to detect virtualization through RDTSC time measurements 34->75 37 cmd.exe 1 34->37         started        39 explorer.exe 2 154 34->39         started        process12 process13 41 conhost.exe 37->41         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2022-06-15 12:15:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r37ghvs4jrvnmbddsbczscytgejsetpabympumykzmizqdo3mzkq._file
Verdict:
malicious
Label(s):
formbook
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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/220615-q7h7fshfaj/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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:
8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655
MD5 hash:
64203d7f2be03517adf6c505b3954464
SHA1 hash:
e62a3bc62e81f08d4ee58080999c517104908e38
Link:
https://www.unpac.me/results/0c39f2d0-ff90-43f7-8199-af2ffcd66526/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8efe63d65c4c/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/8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655

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:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
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Author:Willi Ballenthin
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 8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2239052/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/280197/
  
URLhaus
https://urlhaus.abuse.ch/url/2239519/

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