MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39016358b939b83cf9997c447458ae2d13186c3f66e66784c9e8ff4031b60c7e. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39016358b939b83cf9997c447458ae2d13186c3f66e66784c9e8ff4031b60c7e
SHA3-384 hash: 3f6f691cc51aa4cddb177873764922b71ff7f9fd81a5e1a78b1f04ece652ab9f2bf14f795a6746fedbf2cef57288e651
SHA1 hash: 32824014c8740b8fef306e742c891bec0ef068d3
MD5 hash: 3163bba8a4861d47aafa1667d3082fee
humanhash: april-winter-eight-johnny
File name:mesager43.exe
Download: download sample
Signature Zeppelin
Create hunting rule
File size:523'941 bytes
First seen:2020-11-04 11:11:25 UTC
Last seen:2020-11-04 13:02:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a8b0c3cd6d2772d837a79c2e8e83fcef (1 x Zeppelin)
ssdeep 3072:Zd5uP/TYILkkH5tXnmIsFP1+czC7OjQq6OQtYZ:Zd5uP/khkHnnkFP1+EG2fCYZ
Threatray 8 similar samples on MalwareBazaar
TLSH 93B4BFBD25905CE6C0B07CFBE40ACDE818D10D6A560613E62A38BF278537967CF6C65E
Reporter JAMESWT_WT
Tags:buran Ransomware Zeppelin

Intelligence

File Origin
# of uploads :
3
# of downloads :
2'029
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Zeppelin
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82870/
Detection(s):
PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Changing a file
Creating a file
Moving a file to the Program Files subdirectory
Creating a file in the Program Files subdirectories
Modifying an executable file
Delayed writing of the file
Launching a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Unauthorized injection to a system process
Deleting of the original file
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
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/520036
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Deletes shadow drive data (may be related to ransomware)
Drops a file containing file decryption instructions (likely related to ransomware)
Drops PE files with benign system names
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Sigma detected: WannaCry Ransomware
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)
Uses bcdedit to modify the Windows boot settings
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Ransomware_Generic
Yara detected Zeppelin Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309114 Sample: mesager43.exe Startdate: 04/11/2020 Architecture: WINDOWS Score: 100 87 Sigma detected: WannaCry Ransomware 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 11 other signatures 2->93 8 mesager43.exe 2 20 2->8         started        13 svchost.exe 15 2->13         started        15 svchost.exe 2->15         started        17 9 other processes 2->17 process3 dnsIp4 73 www.geodatatool.com 8->73 75 www.geodatatool.com 158.69.65.151, 443, 49723, 49725 OVHFR Canada 8->75 77 geoiptool.com 8->77 53 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 8->53 dropped 55 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->55 dropped 105 Contains functionality to inject threads in other processes 8->105 107 Writes to foreign memory regions 8->107 109 Allocates memory in foreign processes 8->109 115 2 other signatures 8->115 19 svchost.exe 4 17 8->19         started        23 notepad.exe 8->23         started        79 www.geodatatool.com 13->79 81 geoiptool.com 13->81 111 System process connects to network (likely due to code injection or exploit) 13->111 113 Changes security center settings (notifications, updates, antivirus, firewall) 15->113 83 www.geodatatool.com 17->83 85 3 other IPs or domains 17->85 57 C:\Users\user\AppData\...\CortanaTrace1.etl, data 17->57 dropped file5 signatures6 process7 dnsIp8 67 www.geodatatool.com 19->67 69 iplogger.org 88.99.66.31, 443, 49741, 49742 HETZNER-ASDE Germany 19->69 71 geoiptool.com 19->71 95 System process connects to network (likely due to code injection or exploit) 19->95 97 Multi AV Scanner detection for dropped file 19->97 99 Deletes shadow drive data (may be related to ransomware) 19->99 103 3 other signatures 19->103 25 svchost.exe 19->25         started        29 cmd.exe 1 19->29         started        31 cmd.exe 1 19->31         started        33 4 other processes 19->33 101 Deletes itself after installation 23->101 signatures9 process10 file11 59 C:\Users\user\Desktop\...\ZQIXMVQGAH.pdf, data 25->59 dropped 61 C:\Users\user\Desktop\SFPUSAFIOL.docx, data 25->61 dropped 63 C:\Users\user\Desktop\...\IPKGELNTQY.docx, data 25->63 dropped 65 192 other malicious files 25->65 dropped 117 Drops a file containing file decryption instructions (likely related to ransomware) 25->117 119 May encrypt documents and pictures (Ransomware) 25->119 121 Modifies existing user documents (likely ransomware behavior) 25->121 123 Deletes shadow drive data (may be related to ransomware) 29->123 35 conhost.exe 29->35         started        37 WMIC.exe 29->37         started        39 vssadmin.exe 29->39         started        41 WMIC.exe 1 31->41         started        43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        47 conhost.exe 33->47         started        49 conhost.exe 33->49         started        51 2 other processes 33->51 signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39016358b939b83cf9997c447458ae2d13186c3f66e66784c9e8ff4031b60c7e/
Threat name:
Win32.Ransomware.Buhtrap
Create hunting rule
Status:
Malicious
First seen:
2020-11-04 10:57:34 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=heawgwfzhg4dz6mzprchiwfofujrq3b7m3tgpbgj5d7uamnwbr7a._file
Verdict:
malicious
Similar samples:
0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686
Zeppelin
15e3107a2c30da16832db6f9cdadd38c7a202d72b6a43899b9642d3b695d6f50
Zeppelin
24ed6ee6c21b01723299773311912048f6a4a782de9496c6e479c22d6fceb085
Zeppelin
4b7a2dff949a14956a679adb981bbec0aec0e198c04a454f54c5e9dcf5854b54
Zeppelin
4e0d1edb76747fd945b87dd18299298f0df719edbea946119d91db59a9b6527a
Zeppelin
8d44fdbedd0ec9ae59fad78bdb12d15d6903470eb1046b45c227193b233adda6
Zeppelin
dac7b64601ffa3176296bc0647aa7cd30c50b95ea5002410000439ce506b5b9e
Zeppelin
f40b9e6f7cfed63bba3b6eae6b0403ab26906caa77830027ed39a05918c4b877
Zeppelin
Result
Malware family:
buran
Create hunting rule
Score:
  10/10
Tags:
family:buran persistence ransomware upx
Link:
https://tria.ge/reports/201104-ygmkxrn8ma/
Behaviour
Interacts with shadow copies
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Modifies service
Adds Run key to start application
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Executes dropped EXE
Modifies extensions of user files
UPX packed file
Deletes shadow copies
Buran
Unpacked files
SH256 hash:
39016358b939b83cf9997c447458ae2d13186c3f66e66784c9e8ff4031b60c7e
MD5 hash:
3163bba8a4861d47aafa1667d3082fee
SHA1 hash:
32824014c8740b8fef306e742c891bec0ef068d3
Link:
https://www.unpac.me/results/7e5898d8-d057-4b09-9c5b-080e47785c23/
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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:Win32_Ransomware_Zeppelin
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects Zeppelin ransomware.
Rule name:win_zeppelin_ransomware_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:Zeppelin
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/82870/

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