MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2eff58738b5a7717a3fcdf7a4171c6fa18492bc200eddc26bf608fa35d28466e. 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



Phobos


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 2eff58738b5a7717a3fcdf7a4171c6fa18492bc200eddc26bf608fa35d28466e
SHA3-384 hash: 58fea90663a6e24b171342635a63a2d002ba9ea667d8f71ea359a0eb6963bfaecce0f23555022ca1c567933599279b47
SHA1 hash: 45b9f13c9ba87d6199e730f6d863ddde925a0db4
MD5 hash: d9828d5bbd8818ac94fb7b65891fa969
humanhash: football-winner-pip-pennsylvania
File name:Ransomware
Download: download sample
Signature Phobos
File size:202'240 bytes
First seen:2020-09-30 05:42:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4a00232bbc128407226b904b78ef234b (1 x Phobos)
ssdeep 3072:UjVZw9zj+3objKhZHUsitUQobeUXnR51Y4:MEx+39hPitUfXZY
TLSH B414AD2175C2C072C996057048F1C7B56E7ABCB10B2A65CBBBD43B7E9F712E2A635342
Reporter JAMESWT_WT
Tags:Phobos Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'743
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a file
Sending a UDP request
Launching cmd.exe command interpreter
Creating a process with a hidden window
Changing a file
Creating a file in the Program Files subdirectories
Modifying an executable file
Launching the process to change network settings
Launching a process
Creating a file in the %AppData% subdirectories
Replacing executable files
Creating a file in the Program Files directory
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Creating a file in the Windows subdirectories
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Enabling autorun for a service
Preventing system recovery
Enabling autorun by creating a file
Encrypting user's files
Infecting executable files
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates files in the recycle bin to hide itself
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executable to a common third party application directory
Drops PE files to the startup folder
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: WannaCry Ransomware
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Writes many files with high entropy
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 291472 Sample: Ransomware Startdate: 30/09/2020 Architecture: WINDOWS Score: 100 49 Sigma detected: WannaCry Ransomware 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 11 other signatures 2->55 7 Ransomware.exe 2 501 2->7         started        12 Ransomware.exe 2->12         started        14 wbengine.exe 3 2->14         started        16 5 other processes 2->16 process3 dnsIp4 47 192.168.2.1 unknown unknown 7->47 39 C:\Users\user\AppData\...\Ransomware.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\Ransomware.exe, PE32 7->41 dropped 43 iconcache_32.db.id...chnopc@tuta.io].DLL, DOS 7->43 dropped 45 252 other files (248 malicious) 7->45 dropped 65 Detected unpacking (changes PE section rights) 7->65 67 Detected unpacking (overwrites its own PE header) 7->67 69 Creates files in the recycle bin to hide itself 7->69 75 4 other signatures 7->75 18 cmd.exe 1 7->18         started        21 cmd.exe 1 7->21         started        23 Ransomware.exe 7->23         started        71 Multi AV Scanner detection for dropped file 12->71 73 Creates files inside the volume driver (system volume information) 14->73 file5 signatures6 process7 signatures8 57 May disable shadow drive data (uses vssadmin) 18->57 59 Deletes shadow drive data (may be related to ransomware) 18->59 61 Uses bcdedit to modify the Windows boot settings 18->61 63 Deletes the backup plan of Windows 18->63 25 bcdedit.exe 1 18->25         started        27 bcdedit.exe 1 18->27         started        29 WMIC.exe 1 18->29         started        37 3 other processes 18->37 31 netsh.exe 3 21->31         started        33 netsh.exe 3 21->33         started        35 conhost.exe 21->35         started        process9
Threat name:
Win32.Trojan.Zenpak
Status:
Malicious
First seen:
2020-09-26 02:05:01 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware evasion spyware persistence family:phobos
Behaviour
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Modifies registry class
Drops file in Program Files directory
Modifies service
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Modifies Windows Firewall
Modifies extensions of user files
Deletes shadow copies
Deletes system backup catalog
Modifies boot configuration data using bcdedit
Phobos
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
2eff58738b5a7717a3fcdf7a4171c6fa18492bc200eddc26bf608fa35d28466e
MD5 hash:
d9828d5bbd8818ac94fb7b65891fa969
SHA1 hash:
45b9f13c9ba87d6199e730f6d863ddde925a0db4
SH256 hash:
5696ef6336da68a1a323b66a9f8e40bb5f3f6a1d6de41b346c68630329ed32cd
MD5 hash:
6d2aaffd1bce3120c8beb86d0110dabf
SHA1 hash:
a39b40f2ad20081de5a5adaeeae49e4d99c8a78e
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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