MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43812b98e4f9480d25b426a23a7b4d2a4e498110545c7a3cb21159bf75c18e7b. 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 4 File information Comments
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SHA256 hash: 43812b98e4f9480d25b426a23a7b4d2a4e498110545c7a3cb21159bf75c18e7b
SHA3-384 hash: 0bf3c0da9ba8b1ca7796734642a25c03c94bf194e6cdee9354255aba6ba7d35ecec24ae2205c5a38645c3de25b073091
SHA1 hash: 5e1add3f70404f2110c389674e481484365eead4
MD5 hash: de904e0d5b71c0c3d99430b61d40aae2
humanhash: cold-diet-table-alpha
File name:kIugJm.exe
Download: download sample
Signature Zeppelin
Create hunting rule
File size:416'256 bytes
First seen:2021-08-09 18:03:24 UTC
Last seen:2021-08-09 18:57:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c4d14a42e6a78b07bbf1d524c984cfc3 (1 x Zeppelin)
ssdeep 6144:Zmr7jJUEMBNUNwxJ6m16i6d+W+u7Qn7prLtSacoTccdk+Hy:ZyfJcLUNMu7Qn7prLQQTccrS
Threatray 32 similar samples on MalwareBazaar
TLSH T164947E39A332D606E2AE13B2E2FB5F242D77ADC876A4514756A2BF192CF73C97C55000
Reporter James_inthe_box
Tags:exe Zeppelin

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5000.js
Verdict:
Malicious activity
Analysis date:
2021-08-09 20:05:41 UTC
Tags:
ransomware zeppelin evasion trojan buran
Link:
https://app.any.run/tasks/47ceb0aa-11a3-4b44-b88e-0518f71ae07a

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/177712/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.25881.21549.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
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
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Changing a file
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying an executable file
Launching a service
Delayed writing of the file
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:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Zeppelin Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c093b1e-35d1-4b7c-ac9d-1c08d7fc6e03
Result
Threat name:
Zeppelin
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829603
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)
Drops a file containing file decryption instructions (likely related to ransomware)
Drops executable to a common third party application directory
Drops PE files with benign system names
Found ransom note / readme
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)
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: Copying Sensitive Files with Credential Data
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
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 RansomwareGeneric
Yara detected Zeppelin Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 462033 Sample: kIugJm.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 95 Sigma detected: WannaCry Ransomware 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 8 other signatures 2->101 7 csrss.exe 1 16 2->7         started        11 kIugJm.exe 2 20 2->11         started        14 csrss.exe 15 2->14         started        process3 dnsIp4 59 geoiptool.com 7->59 103 Deletes shadow drive data (may be related to ransomware) 7->103 105 Uses bcdedit to modify the Windows boot settings 7->105 16 csrss.exe 7->16         started        20 cmd.exe 1 7->20         started        22 cmd.exe 7->22         started        31 4 other processes 7->31 61 www.geodatatool.com 158.69.65.151, 443, 49709, 49710 OVHFR Canada 11->61 63 192.168.2.1 unknown unknown 11->63 65 geoiptool.com 11->65 55 C:\Users\user\AppData\Roaming\...\csrss.exe, PE32 11->55 dropped 57 C:\Users\user\...\csrss.exe:Zone.Identifier, ASCII 11->57 dropped 107 Detected unpacking (changes PE section rights) 11->107 109 May check the online IP address of the machine 11->109 111 Contains functionality to inject threads in other processes 11->111 113 4 other signatures 11->113 24 csrss.exe 3 16 11->24         started        27 notepad.exe 11->27         started        67 geoiptool.com 14->67 29 WerFault.exe 2 9 14->29         started        file5 signatures6 process7 dnsIp8 47 !!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT, ASCII 16->47 dropped 49 UpdateNotification....129-3DB-F0B (copy), dBase 16->49 dropped 51 C:\...\UpdateNotificationPipeline.002.etl, dBase 16->51 dropped 53 264 other malicious files 16->53 dropped 75 Creates files in the recycle bin to hide itself 16->75 77 Drops a file containing file decryption instructions (likely related to ransomware) 16->77 79 May encrypt documents and pictures (Ransomware) 16->79 91 4 other signatures 16->91 81 Deletes shadow drive data (may be related to ransomware) 20->81 33 conhost.exe 20->33         started        35 WMIC.exe 20->35         started        37 conhost.exe 22->37         started        69 iplogger.org 88.99.66.31, 443, 49724, 49725 HETZNER-ASDE Germany 24->69 71 www.geodatatool.com 24->71 73 geoiptool.com 24->73 83 Multi AV Scanner detection for dropped file 24->83 85 Detected unpacking (changes PE section rights) 24->85 87 May check the online IP address of the machine 24->87 93 3 other signatures 24->93 39 WerFault.exe 23 9 24->39         started        89 Deletes itself after installation 27->89 41 conhost.exe 31->41         started        43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43812b98e4f9480d25b426a23a7b4d2a4e498110545c7a3cb21159bf75c18e7b/
Threat name:
Win32.Ransomware.Buran
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 18:03:16 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioasxghe7fea2jnue2rdu62nfjhetaiqkrohupfscfm365obrz5q._file
Verdict:
malicious
Similar samples:
15e3107a2c30da16832db6f9cdadd38c7a202d72b6a43899b9642d3b695d6f50
Zeppelin
332bca23e362f6c95326ecc943cb39e93d6fdcf454d72a5e60c9e14f5802ce5a
Zeppelin
442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024
Zeppelin
45c7c5d62ca2525ac1da111fb3388cb381c24c974eba1ca3681ef07b10ef7b77
Zeppelin
63067c7050bab69e0903ed3887710e4fa50d30d5865c765941df579ddb9b4ab3
Zeppelin
7055e8438da61efa50058acd4e010c634f5e33352e2ee6d1f013572f004b7101
Zeppelin
93fe277d54f4baac5762412dda6f831bf6a612f166daade7c23f6b38feac94fb
Zeppelin
b3302c4a9fd06d9fde96c9004141f80e0a9107a9dead1659e77351f1b1c87cf6
Zeppelin
d76782960590abc182dba8fdcdc8bfb121b13d36be2d5d8b0960fb67960e89b1
Zeppelin
eb920e0fc0c360abb901e04dce172459b63bbda3ab8152350885db4b44d63ce5
Zeppelin
+ 22 additional samples on MalwareBazaar
Result
Malware family:
buran
Create hunting rule
Score:
  10/10
Tags:
family:buran persistence ransomware
Link:
https://tria.ge/reports/210809-rc7e7t8mx6/
Behaviour
Interacts with shadow copies
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Unpacked files
SH256 hash:
3504d2281dca80a99c54db1821c9cb217de89207e6fe61377ece68e7dbf1cfbf
MD5 hash:
078e8f70b8c4674e0779d427f6c0ba6a
SHA1 hash:
97c5755df38c2afcdab1ac38fb177c06a836aca6
Detections:
win_zeppelin_ransomware_auto
Create hunting rule
Link:
https://www.unpac.me/results/05c5344a-d8fe-4083-84fd-ed38e7ddbfda/
SH256 hash:
43812b98e4f9480d25b426a23a7b4d2a4e498110545c7a3cb21159bf75c18e7b
MD5 hash:
de904e0d5b71c0c3d99430b61d40aae2
SHA1 hash:
5e1add3f70404f2110c389674e481484365eead4
Link:
https://www.unpac.me/results/05c5344a-d8fe-4083-84fd-ed38e7ddbfda/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/43812b98e4f9/report/overview.html
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/43812b98e4f9480d25b426a23a7b4d2a4e498110545c7a3cb21159bf75c18e7b

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:Ran_Buran_Oct_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect Buran ransomware
Reference:https://twitter.com/JAMESWT_MHT/status/1323956405976600579
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/177712/
  
URLhaus
https://urlhaus.abuse.ch/url/1519815/
  
URLhaus
https://urlhaus.abuse.ch/url/1519844/
  
URLhaus
https://urlhaus.abuse.ch/url/1519847/
  
URLhaus
https://urlhaus.abuse.ch/url/1519846/

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