MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da
SHA3-384 hash: 18fd6ccec120b0b32a2787b30b2808ccb9562a4379932cc64c697ee910009ace745c3e24adcffa6db4ba2feead905d30
SHA1 hash: 2254b937b9ac6c668cdf23f8e614088a440c9f30
MD5 hash: 2892acf2a06c6387e385a93066a4a0fc
humanhash: freddie-salami-seventeen-stream
File name:SecuriteInfo.com.W32.AIDetectNet.01.16097.14435
Download: download sample
Signature Formbook
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File size:297'984 bytes
First seen:2022-06-01 02:29:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:SVlbACFssssssVb+ssssssssV1UdTHReoBHCG:yb3FssssssVKssssssssVGTHRDC
TLSH T1955486A496CAD9B9DEF055368013F3B924561FFCE6F0541CEACCBB063574C8868FA099
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 04b2d9ecc6a6c6ca (2 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.16097.14435
Verdict:
Malicious activity
Analysis date:
2022-06-01 02:31:02 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ed86e41e-63c5-4036-ad64-ac24385ed505

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/275848/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16097.14435.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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/bcd45919-fb61-44d8-963a-f310500392b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004673
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
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 637169 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 8 other signatures 2->55 10 SecuriteInfo.com.W32.AIDetectNet.01.16097.exe 15 7 2->10         started        process3 dnsIp4 47 abscongo.cf 192.185.174.18, 49765, 80 UNIFIEDLAYER-AS-1US United States 10->47 41 C:\Users\user\AppData\...\Uxbrupxyj.exe, PE32 10->41 dropped 43 C:\Users\...\Uxbrupxyj.exe:Zone.Identifier, ASCII 10->43 dropped 45 SecuriteInfo.com.W...et.01.16097.exe.log, ASCII 10->45 dropped 61 Creates an undocumented autostart registry key 10->61 15 MSBuild.exe 10->15         started        18 cmd.exe 1 10->18         started        20 cmd.exe 1 10->20         started        file5 signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 22 explorer.exe 2 158 15->22         started        24 explorer.exe 15->24 injected 26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        30 conhost.exe 20->30         started        32 timeout.exe 1 20->32         started        process9 process10 34 cmmon32.exe 22->34         started        signatures11 57 Maps a DLL or memory area into another process 34->57 59 Tries to detect virtualization through RDTSC time measurements 34->59 37 cmd.exe 34->37         started        process12 process13 39 conhost.exe 37->39         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2022-06-01 02:30:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s265ueocbw6gjnlmtknaj3pdhe2hpverkgd7cwdwwq6vezaqhna._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220601-cy53zaeab6/
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:
d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da
MD5 hash:
2892acf2a06c6387e385a93066a4a0fc
SHA1 hash:
2254b937b9ac6c668cdf23f8e614088a440c9f30
Link:
https://www.unpac.me/results/eea32e87-47f1-4f74-9e3e-a8a7ca60e308/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d4b5eed08e10/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/d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da

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 d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/275848/
  
URLhaus
https://urlhaus.abuse.ch/url/2219453/
  
Delivery method
Distributed via web download

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