MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52f12a925f53adafd752c33413413ea3928a53f124e9530909107b57527d75fd. 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 5 File information Comments

SHA256 hash: 52f12a925f53adafd752c33413413ea3928a53f124e9530909107b57527d75fd
SHA3-384 hash: 4c9e9d48a8932ddf9806d9682c3657ec6952c98a1209dac9190acd82580ec09a5a0e5b9cf8f11dbf084bbbb9b649ce4b
SHA1 hash: d30678e9c5b4ae4ef0d7ced6db47a60cb164feb2
MD5 hash: 3a3124b570a3df6467bf9089a395a8fd
humanhash: beryllium-rugby-crazy-montana
File name:pl254.bat.exe
Download: download sample
Signature Formbook
File size:900'096 bytes
First seen:2021-06-30 13:33:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 12288:Ip2vupLVGL5fL8lV/ZbeLcA5qBnNVU0bN+CL:e2tJ4htA5knNV7+CL
Threatray 6'168 similar samples on MalwareBazaar
TLSH 2D159E0DBCF43683F22B96BD36C960E24275BC1D9B18EEE35D82F3E6056160AA577503
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
pl254.bat.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 13:36:58 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442402 Sample: pl254.bat.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 9 other signatures 2->44 10 pl254.bat.exe 6 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\XOphugu.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1923.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\...\pl254.bat.exe.log, ASCII 10->36 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 pl254.bat.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 pl254.bat.exe 10->19         started        signatures5 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 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        process8 process9 25 wlanext.exe 21->25         started        signatures10 46 Modifies the context of a thread in another process (thread injection) 25->46 48 Maps a DLL or memory area into another process 25->48 50 Tries to detect virtualization through RDTSC time measurements 25->50 28 cmd.exe 1 25->28         started        process11 process12 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-29 17:12:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
26 of 46 (56.52%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
Unpacked files
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
a05a0f20e9d22308d01035c7ec1e49b21058de60090e419051bdfe79d2cdf03e
MD5 hash:
4632ae26c93a1ea2ef75aff6110853ef
SHA1 hash:
3ac482645fd3050fb8e93c11497f603888ff62a1
SH256 hash:
52f12a925f53adafd752c33413413ea3928a53f124e9530909107b57527d75fd
MD5 hash:
3a3124b570a3df6467bf9089a395a8fd
SHA1 hash:
d30678e9c5b4ae4ef0d7ced6db47a60cb164feb2
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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