MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments 1

SHA256 hash: 65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f
SHA3-384 hash: c612b07ad572136b70a838e16ccc7b1c58c09d5fb967ca2e893eab9dbfb2e953889e9a95ad2d5f6b71d5f9c50b5ea978
SHA1 hash: 3cdf04f5f2d732f0a199151ff35af27a4cce12aa
MD5 hash: 664920ea617d6c5f15c228b7374aa15f
humanhash: nuts-cat-spaghetti-vermont
File name:664920ea617d6c5f15c228b7374aa15f
Download: download sample
Signature Formbook
File size:494'080 bytes
First seen:2021-10-21 19:47:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:mhdtBhm+BNEW6Uqd2GhNwv/uCaIhInekTtAnVk3RfMofArTufGjK0V:4dPhuzUi2iNwnu6InekGnVk3jIT
Threatray 10'785 similar samples on MalwareBazaar
TLSH T1A8B4E02A7558C9E5C2392637BDCB824C2BE67CF0A953C60E7AD7B31A05B13610C355EB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
fareit obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 507274 Sample: 2xPV54KvPu Startdate: 21/10/2021 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 2xPV54KvPu.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\2xPV54KvPu.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 2xPV54KvPu.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 ferienwohnungenmv.com 81.169.145.148, 49801, 80 STRATOSTRATOAGDE Germany 17->30 32 www.sportsandgames.info 75.2.115.196, 49827, 80 AMAZON-02US United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 control.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       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-21 19:48:05 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s18y rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.agentpathleurre.space/s18y/
Unpacked files
SH256 hash:
774092669f95f0611ba7d6c22a447dd87ad75e997c499aa1e3ef21f46e9d0787
MD5 hash:
9350b9262153905810f21dc8cebbe78b
SHA1 hash:
5eb4aa08effd37330019603334395a16a59a6a65
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f
MD5 hash:
664920ea617d6c5f15c228b7374aa15f
SHA1 hash:
3cdf04f5f2d732f0a199151ff35af27a4cce12aa
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-21 19:47:07 UTC

url : hxxp://binatonezx.tk/seasonzx.exe