MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024. 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



Zeppelin


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024
SHA3-384 hash: 9da5a634aa0b0a83353784928be4eb0815e402be9fdfd9d0fd5886022fe700ca993fe426d7d68df665239550ae8fa1e9
SHA1 hash: 121c377693b96eef8e84861f091ef47e6fb6cae5
MD5 hash: 2f1ecf99dd8a2648dd013c5fe6ecb6f5
humanhash: quebec-nine-rugby-robin
File name:Buran
Download: download sample
Signature Zeppelin
File size:219'648 bytes
First seen:2021-01-08 06:57:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8acb34bed3caa60cae3f08f75d53f727 (15 x Zeppelin)
ssdeep 6144:eyJE1brNNDw7AE9kgH16LGv2J4DQFu/U3buRKlemZ9DnGAeDMK3ITyw+c:eUqNNDwpRV6LqM4DQFu/U3buRKlemZ9W
Threatray 18 similar samples on MalwareBazaar
TLSH 9F248D36FA804476D1331E7CDE1A56AE916E7A302F2C14477DE85E8D9E3E3A2252D1C3
Reporter JAMESWT_WT
Tags:Ransomware Zeppelin

Intelligence


File Origin
# of uploads :
1
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
T-M8wQFcekHWz-SKwlhHBQ_7a3602d370fc447ba0fa0796fe24f5ee_zeppelin.exe
Verdict:
Malicious activity
Analysis date:
2021-01-08 06:38:27 UTC
Tags:
evasion trojan ransomware buran zeppelin

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %temp% directory
Deleting a recently created file
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file
Modifying an executable file
Changing a file
Moving a file to the Program Files subdirectory
Creating a file in the Program Files subdirectories
Launching a service
Launching a process
Delayed writing of the file
Creating a file in the mass storage device
Deleting volume shadow copies
Encrypting user's files
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:
Zeppelin
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Contains functionality to inject threads in other processes
Creates executable files without a name
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Drops a file containing file decryption instructions (likely related to ransomware)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
May encrypt documents and pictures (Ransomware)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sigma detected: Delete shadow copy via WMIC
Sigma detected: WannaCry Ransomware
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses bcdedit to modify the Windows boot settings
Writes many files with high entropy
Yara detected Ransomware_Generic
Yara detected Zeppelin Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337248 Sample: Buran Startdate: 08/01/2021 Architecture: WINDOWS Score: 100 53 Sigma detected: WannaCry Ransomware 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 8 other signatures 2->59 7 Buran.exe 4 18 2->7         started        process3 dnsIp4 47 www.geodatatool.com 158.69.65.151, 443, 49714, 49715 OVHFR Canada 7->47 49 iplogger.org 88.99.66.31, 443, 49726, 49727 HETZNER-ASDE Germany 7->49 51 geoiptool.com 7->51 61 Deletes shadow drive data (may be related to ransomware) 7->61 63 Contains functionality to inject threads in other processes 7->63 65 Uses bcdedit to modify the Windows boot settings 7->65 67 Writes many files with high entropy 7->67 11 Buran.exe 1 501 7->11         started        15 cmd.exe 1 7->15         started        17 cmd.exe 1 7->17         started        19 4 other processes 7->19 signatures5 process6 file7 39 C:\Users\user\Desktop39WCXBPIUYI.jpg, data 11->39 dropped 41 C:\Users\user\Desktop\...behaviorgraphIGIYTFFYT.png, data 11->41 dropped 43 C:\Users\user\Desktop\...FOYFBOLXA.docx, data 11->43 dropped 45 176 other malicious files 11->45 dropped 69 Creates files in the recycle bin to hide itself 11->69 71 Drops a file containing file decryption instructions (likely related to ransomware) 11->71 73 May encrypt documents and pictures (Ransomware) 11->73 77 3 other signatures 11->77 75 Deletes shadow drive data (may be related to ransomware) 15->75 21 WMIC.exe 1 15->21         started        23 conhost.exe 15->23         started        25 vssadmin.exe 1 15->25         started        27 WMIC.exe 1 17->27         started        29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 19->33         started        35 conhost.exe 19->35         started        37 2 other processes 19->37 signatures8 process9
Threat name:
Win32.Ransomware.Zeppelin
Status:
Malicious
First seen:
2021-01-06 20:36:37 UTC
File Type:
PE (Exe)
AV detection:
36 of 46 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:buran ransomware
Behaviour
Interacts with shadow copies
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Deletes shadow copies
Buran
Unpacked files
SH256 hash:
729be606ef6f585c99919fc1f3eadd4f5c259d2f091a684013df5e5d0f2fde0b
MD5 hash:
b5dc10ceff01c42f0d404d7689352c09
SHA1 hash:
b45e15f645499e4656a8dafe3aa96e672c16d51a
SH256 hash:
442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024
MD5 hash:
2f1ecf99dd8a2648dd013c5fe6ecb6f5
SHA1 hash:
121c377693b96eef8e84861f091ef47e6fb6cae5
Detections:
win_zeppelin_ransomware_auto
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:Win32_Ransomware_Zeppelin
Author:ReversingLabs
Description:Yara rule that detects Zeppelin ransomware.
Rule name:win_zeppelin_ransomware_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:Zeppelin
Author:@bartblaze
Description:Identifies Zeppelin ransomware and variants (Buran, Vega etc.)

File information


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

Comments