MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb
SHA3-384 hash: 4b7254237da07e34bc75be64d5155ffe9af1e615862ec44b375fecac02a1fc08888f54438a4bcbc58906c55a2bf2c556
SHA1 hash: 019c003dd620a0af5c4881055820ecfa875fc2b2
MD5 hash: 86d8b2ad8bcd3c0d8f4eab82f5f42b08
humanhash: mountain-sweet-michigan-london
File name:86d8b2ad8bcd3c0d8f4eab82f5f42b08.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'224'704 bytes
First seen:2021-11-15 09:17:50 UTC
Last seen:2021-11-15 11:13:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:u/NEfW30KANMy6sIJxDDv28yVuUgn3H15qPr6qJvpl65s8zgf7NQAfBm8L+OkMfB:umTclbeuUgn3f5ZEqoiuft3
TLSH T1F0455A223A51C911D06A6237CCEF442447FCFE81AE93DB2A7DEAB7BC45623B608451DD
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/205859/
Detection(s):
SecuriteInfo.com.Artemis86D8B2AD8BCD.5871.17577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619225cf3edf00a722d512d3/reports/80ff72e2-4fef-43bd-a84c-087fe54da1dd/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/83fd65cf-ba5f-4605-a541-bfd6d2b03954
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/889263
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 521736 Sample: 0p15gTcRwy.exe Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 34 www.jxdg.xyz 2->34 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 11 0p15gTcRwy.exe 3 2->11         started        signatures3 process4 signatures5 54 Tries to detect virtualization through RDTSC time measurements 11->54 56 Injects a PE file into a foreign processes 11->56 14 0p15gTcRwy.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 gametimebg.com 15.197.142.173, 49785, 80 TANDEMUS United States 17->28 30 www.bilboondokoak.com 47.243.186.98, 49782, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 17->30 32 www.gametimebg.com 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 msdt.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-15 09:18:08 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s18y rat spyware stealer trojan
Link:
https://tria.ge/reports/211115-k9nbasefgq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.agentpathleurre.space/s18y/
Unpacked files
SH256 hash:
8ec7e57c64cc5ef3e2f0c03182817fb04abc6262d56cdb633df8cea09a3af976
MD5 hash:
9c7b1fcacdaf197bee3f22e0f1033687
SHA1 hash:
49833d5e862101577012dea72248c7fb2c81089e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bd905588-a387-41ee-ae42-a85c379ecaa3/
Parent samples :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 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/bd905588-a387-41ee-ae42-a85c379ecaa3/
SH256 hash:
27aa16789cc0fec0662ee2d2a5618ef6c0d0f0b5cc9852021cdc1ba33fcbd7d3
MD5 hash:
22e7395608decdfd5d518bfb347c1d6e
SHA1 hash:
3f8abf597e501ae5c2179ac6f8f0c1a9dd1a4929
Link:
https://www.unpac.me/results/bd905588-a387-41ee-ae42-a85c379ecaa3/
SH256 hash:
fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb
MD5 hash:
86d8b2ad8bcd3c0d8f4eab82f5f42b08
SHA1 hash:
019c003dd620a0af5c4881055820ecfa875fc2b2
Link:
https://www.unpac.me/results/bd905588-a387-41ee-ae42-a85c379ecaa3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fd7a4b329f76/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1764665/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205859/

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