MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca. 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 2 File information Comments
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SHA256 hash: 2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca
SHA3-384 hash: 6e9b1a785060e043aa2e7b08ce2fbfad3cb0bd0b8f8a00ac703f7f456f71d0c54b38d1ecfefd96f0877022e2b7b3d1c0
SHA1 hash: ead9055c813de47edfec5bc46a0d896df4b4af2e
MD5 hash: 49c83eceb8a816b959a778e5f2e78801
humanhash: spring-single-don-freddie
File name:49c83eceb8a816b959a778e5f2e78801.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:907'264 bytes
First seen:2021-06-12 06:56:06 UTC
Last seen:2021-06-12 07:36:59 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 24576:EE4VwfX9zrNeBUdtEqTGokrWc4eJNPs2ruVc:EE4VwfX9PwBU8rWc5rGc
TLSH 8F15D02123592FA9F57DE33D91100100A7F4E51BE326DACEBDA552CE1976F81C7A2B23
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
49c83eceb8a816b959a778e5f2e78801.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-12 06:58:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2272ecfd-6728-4a9a-b4e4-6b03bbb175d7

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/166233/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37083560.16179.16439.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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/f69cd2ad-6bc4-4d38-b0ed-3cdd1eabe9eb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/801135
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433531 Sample: XhU4EXUp0x.exe Startdate: 12/06/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 10 XhU4EXUp0x.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\XhU4EXUp0x.exe.log, ASCII 10->28 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 XhU4EXUp0x.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.rsyueda.com 23.82.229.132, 49765, 80 LEASEWEB-USA-SEA-10US United States 17->30 32 gentrypartyof8.com 66.235.200.146, 49762, 80 CLOUDFLARENETUS United States 17->32 34 www.gentrypartyof8.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-12 01:05:52 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5gq4lhjbkzmgxolutef4obun2xgvqwo6d4tttg5ehfn4tldipfa._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210612-pagjs4rlwn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.yellow-wink.com/nff/
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
Link:
https://www.unpac.me/results/7e756816-92f9-4085-a312-c2170ab74d57/
SH256 hash:
2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca
MD5 hash:
49c83eceb8a816b959a778e5f2e78801
SHA1 hash:
ead9055c813de47edfec5bc46a0d896df4b4af2e
Link:
https://www.unpac.me/results/7e756816-92f9-4085-a312-c2170ab74d57/
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/2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca

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 2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1344233/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/166233/

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