MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a42564801d666f9a210723ee247df72d71d93274e7556920957d5a98b237ab2c. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: a42564801d666f9a210723ee247df72d71d93274e7556920957d5a98b237ab2c
SHA3-384 hash: ff0cf95da714ad9619eeba46b34c8c8a6e1d2d535a0d3700a2beceb50386ebc100b6739f27583acdc844c6d4e82fdb2d
SHA1 hash: 2c4e6cae1c3ef562452cc4e6caebd6f5511bc11a
MD5 hash: c4192fc5d072aff733b9c9e3b5d165da
humanhash: venus-item-beryllium-cola
File name:PO#10244.exe
Download: download sample
Signature Formbook
File size:734'720 bytes
First seen:2021-04-30 13:08:18 UTC
Last seen:2021-04-30 20:55:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9wEKpoEnNdYRs49coblfQ+gTjIPWgJaCiLtrxtlGjDXA9Oy5SA5b8dKHts52fXQB:aE8oENd34uhjdgviLtrxt0E9Ox
Threatray 4'917 similar samples on MalwareBazaar
TLSH 81F45AAC325072DFC867C972CE681C64EB61747B970BC647A02316ADDA0D99BCF251F2
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 401359 Sample: PO#10244.exe Startdate: 30/04/2021 Architecture: WINDOWS Score: 100 33 www.hysjs168.com 2->33 35 www.dejikatsu.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 PO#10244.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\PO#10244.exe.log, ASCII 11->31 dropped 61 Detected unpacking (changes PE section rights) 11->61 63 Detected unpacking (overwrites its own PE header) 11->63 65 Writes to foreign memory regions 11->65 67 2 other signatures 11->67 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected 77 Tries to detect virtualization through RDTSC time measurements 18->77 process9 dnsIp10 37 import-union.com 45.94.156.7, 49751, 80 VPS-UA-ASUA Ukraine 20->37 39 www.sxrqsgs.icu 103.72.144.65, 49746, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK China 20->39 41 20 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Uses netsh to modify the Windows network and firewall settings 20->53 24 netsh.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-04-30 13:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 29 (65.52%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hysjs168.com/uv34/
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
a42564801d666f9a210723ee247df72d71d93274e7556920957d5a98b237ab2c
MD5 hash:
c4192fc5d072aff733b9c9e3b5d165da
SHA1 hash:
2c4e6cae1c3ef562452cc4e6caebd6f5511bc11a
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_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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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