MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07
SHA3-384 hash: 16dcbd71446e7b5815fd7d259cdd9f23cfa834f48920d129821677c90349879aff4a95070d180d405f8dd0b50fbe0ae8
SHA1 hash: aa8b7920718123cafa0eafa6c843b801f8c157c1
MD5 hash: 79927881700955c52f113bc2d6968698
humanhash: delaware-social-asparagus-avocado
File name:4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07
Download: download sample
Signature Zeppelin
Create hunting rule
File size:273'408 bytes
First seen:2021-02-28 07:18:28 UTC
Last seen:2021-02-28 09:00:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f0a6de1a09ea1e2bc13067db7caabad3 (1 x Zeppelin)
ssdeep 6144:dVJlmm1sDf9HkjLCTEUs38bV7WSfLa9fosD:7Jlm7byqXs34V79DaG
Threatray 23 similar samples on MalwareBazaar
TLSH B344D02272A1C436D44B16724855C7B44ABAB8314F2946C77FE41BBE9F203E2DB36F46
Reporter JAMESWT_WT
Tags:Zeppelin

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:22:20 UTC
Tags:
ransomware zeppelin evasion trojan buran
Link:
https://app.any.run/tasks/894ad93a-4552-4bb4-b348-9861e58bcb92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Zeppelin
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119880/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36413997.20308.12206.UNOFFICIAL
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
Creating a file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Deleting of the original file
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.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620988
Signature
Allocates memory in foreign processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates executable files without a name
Creates files in the recycle bin to hide itself
Deletes itself after installation
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops a file containing file decryption instructions (likely related to ransomware)
Drops PE files with benign system names
Infects executable files (exe, dll, sys, html)
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
Sample is not signed and drops a device driver
Sigma detected: Delete shadow copy via WMIC
Sigma detected: System File Execution Location Anomaly
Sigma detected: WannaCry Ransomware
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: 359487 Sample: Tm56I3rHIZ Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 79 Sigma detected: WannaCry Ransomware 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 8 other signatures 2->85 8 Tm56I3rHIZ.exe 2 20 2->8         started        13 csrss.exe 15 2->13         started        15 csrss.exe 15 2->15         started        process3 dnsIp4 71 geoiptool.com 8->71 73 www.geodatatool.com 158.69.65.151, 443, 49736, 49737 OVHFR Canada 8->73 53 C:\Users\user\AppData\Roaming\...\csrss.exe, PE32 8->53 dropped 55 C:\Users\user\...\csrss.exe:Zone.Identifier, ASCII 8->55 dropped 97 Detected unpacking (changes PE section rights) 8->97 99 Detected unpacking (overwrites its own PE header) 8->99 101 Contains functionality to inject threads in other processes 8->101 105 4 other signatures 8->105 17 csrss.exe 4 17 8->17         started        21 notepad.exe 8->21         started        23 VSSVC.exe 8->23         started        75 geoiptool.com 13->75 77 geoiptool.com 15->77 file5 103 May check the online IP address of the machine 71->103 signatures6 process7 dnsIp8 65 iplogger.org 88.99.66.31, 443, 49746, 49748 HETZNER-ASDE Germany 17->65 67 www.geodatatool.com 17->67 69 geoiptool.com 17->69 87 Multi AV Scanner detection for dropped file 17->87 89 Detected unpacking (changes PE section rights) 17->89 91 Detected unpacking (overwrites its own PE header) 17->91 95 4 other signatures 17->95 25 csrss.exe 182 17->25         started        29 cmd.exe 1 17->29         started        31 cmd.exe 1 17->31         started        33 4 other processes 17->33 93 Deletes itself after installation 21->93 signatures9 process10 file11 57 C:\Users\user\...\spartan.edb, data 25->57 dropped 59 C:\Users\user\Desktop\...\ZQIXMVQGAH.xlsx, data 25->59 dropped 61 C:\Users\user\Desktop61EBFQQYWPS.mp3, data 25->61 dropped 63 221 other malicious files 25->63 dropped 107 Creates files in the recycle bin to hide itself 25->107 109 Drops a file containing file decryption instructions (likely related to ransomware) 25->109 111 May encrypt documents and pictures (Ransomware) 25->111 115 4 other signatures 25->115 113 Deletes shadow drive data (may be related to ransomware) 29->113 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/4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2021-02-28 07:19:29 UTC
AV detection:
19 of 48 (39.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6d757e36zt7dvqotlahxxhzcaj5mcnyeivw2gzjsvyg67wodmdq._file
Verdict:
malicious
Similar samples:
15e3107a2c30da16832db6f9cdadd38c7a202d72b6a43899b9642d3b695d6f50
Zeppelin
332bca23e362f6c95326ecc943cb39e93d6fdcf454d72a5e60c9e14f5802ce5a
Zeppelin
442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024
Zeppelin
45c7c5d62ca2525ac1da111fb3388cb381c24c974eba1ca3681ef07b10ef7b77
Zeppelin
7055e8438da61efa50058acd4e010c634f5e33352e2ee6d1f013572f004b7101
Zeppelin
7d809e8c9b98c16647bbfac49854c28ecc3fe6d4345410deeaa79445cc50cf51
Zeppelin
93fe277d54f4baac5762412dda6f831bf6a612f166daade7c23f6b38feac94fb
Zeppelin
b3302c4a9fd06d9fde96c9004141f80e0a9107a9dead1659e77351f1b1c87cf6
Zeppelin
d76782960590abc182dba8fdcdc8bfb121b13d36be2d5d8b0960fb67960e89b1
Zeppelin
dac7b64601ffa3176296bc0647aa7cd30c50b95ea5002410000439ce506b5b9e
Zeppelin
+ 13 additional samples on MalwareBazaar
Result
Malware family:
buran
Create hunting rule
Score:
  10/10
Tags:
family:buran persistence ransomware
Link:
https://tria.ge/reports/210228-1zel5hmgx2/
Behaviour
Interacts with shadow copies
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
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
Deletes shadow copies
Buran
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
a1083b9bb52b5f8976b694e29d1c3b6fe668df709f44a1a2bbab891895843e76
MD5 hash:
9e54b9f8de438367d68389610070c4b5
SHA1 hash:
e69c50c6c82f5ad6fdc88334b31d4fe7a77f63ee
Detections:
win_zeppelin_ransomware_auto
Create hunting rule
Link:
https://www.unpac.me/results/b16cb83c-257b-4c85-8b52-dd8ae466ce75/
Parent samples :
4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07
45c7c5d62ca2525ac1da111fb3388cb381c24c974eba1ca3681ef07b10ef7b77
d76782960590abc182dba8fdcdc8bfb121b13d36be2d5d8b0960fb67960e89b1
SH256 hash:
4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07
MD5 hash:
79927881700955c52f113bc2d6968698
SHA1 hash:
aa8b7920718123cafa0eafa6c843b801f8c157c1
Link:
https://www.unpac.me/results/b16cb83c-257b-4c85-8b52-dd8ae466ce75/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07

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
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/119880/

Comments