MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686. 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: 7


Maldoc score: 11


Intelligence 7 IOCs YARA 5 File information Comments
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SHA256 hash: 0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686
SHA3-384 hash: 96e16d0b5852e1a71e0a327dd4e97f77ff7bbdd149ca11bdf05629edc8fff14bb25e96694401427075715a32d1dca8b4
SHA1 hash: 3c298a6f35cfdf61fc271a8cad59ea84b827335f
MD5 hash: 29584bef6e963b191cb0a900a75585db
humanhash: bacon-music-india-coffee
File name:Delivery-77426522.doc
Download: download sample
Signature Zeppelin
Create hunting rule
File size:121'237 bytes
First seen:2020-11-04 11:33:44 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 1536:nj0lGaGx/OTGXWqM1Z2V/o1QLtz8QtzHZmsQOOX:YjNGXWnTQLtz8QtzHZmsQOq
TLSH 15C36D43FF94D736E001F2307E91A99462142F619B4AC23B3B8C3B7E6B789E1D55660B
Reporter JAMESWT_WT
Tags:Zeppelin

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 11
Application name is Microsoft Office Word
Office document is in OLE format
Office document contains VBA Macros
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecDocument_openRuns when the Word or Publisher document is opened
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousCreateObjectMay create an OLE object
SuspiciousChrWMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.EMOCROCreateRomanticWarrior.20200916.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EMOCROSnakeCharmer.20201103.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
DNS request
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Moving a recently created file
Deleting a recently created file
Self-deleting of the BAT file
Sending a custom TCP request
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Result
Threat name:
Zeppelin
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/520054
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates processes via WMI
Deletes shadow drive data (may be related to ransomware)
Document contains an embedded VBA with base64 encoded strings
Drops batch files with force delete cmd (self deletion)
Drops PE files with benign system names
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Potential dropper URLs found in powershell memory
PowerShell case anomaly found
Powershell drops PE file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: System File Execution Location Anomaly
Sigma detected: WannaCry Ransomware
Suspicious powershell command line found
Uses bcdedit to modify the Windows boot settings
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Zeppelin Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309123 Sample: Delivery-77426522.doc Startdate: 04/11/2020 Architecture: WINDOWS Score: 100 109 Sigma detected: WannaCry Ransomware 2->109 111 Malicious sample detected (through community Yara rule) 2->111 113 Antivirus detection for URL or domain 2->113 115 16 other signatures 2->115 12 Bw99ofg.exe 13 2->12         started        16 cmd.exe 2->16         started        18 smss.exe 2->18         started        21 2 other processes 2->21 process3 dnsIp4 83 C:\ssd\onset\81ldp.bat, DOS 12->83 dropped 85 C:\ssd\onset\15sp.exe, PE32 12->85 dropped 135 Multi AV Scanner detection for dropped file 12->135 137 Drops batch files with force delete cmd (self deletion) 12->137 23 wscript.exe 1 12->23         started        139 Suspicious powershell command line found 16->139 141 Wscript starts Powershell (via cmd or directly) 16->141 143 Very long command line found 16->143 145 2 other signatures 16->145 26 powershell.exe 12 9 16->26         started        30 msg.exe 16->30         started        91 www.geodatatool.com 18->91 93 geoiptool.com 18->93 95 www.geodatatool.com 21->95 97 geoiptool.com 21->97 file5 signatures6 process7 dnsIp8 129 Wscript starts Powershell (via cmd or directly) 23->129 32 cmd.exe 1 23->32         started        99 forcecareer.com 96.125.173.222, 49167, 80 UNIFIEDLAYER-AS-1US United States 26->99 81 C:\Users\user\Woi1sao\Mf3ogh_\Bw99ofg.exe, PE32 26->81 dropped 131 Creates processes via WMI 26->131 133 Powershell drops PE file 26->133 35 WMIC.exe 26->35         started        file9 signatures10 process11 signatures12 107 Creates processes via WMI 32->107 37 wscript.exe 1 32->37         started        40 15sp.exe 4 32->40         started        43 timeout.exe 32->43         started        45 timeout.exe 32->45         started        process13 file14 127 Wscript starts Powershell (via cmd or directly) 37->127 47 cmd.exe 37->47         started        77 C:\ssd\onset\mesager43.exe, PE32 40->77 dropped 79 C:\ssd\onset\sata1.bat, ASCII 40->79 dropped signatures15 process16 process17 49 mesager43.exe 47->49         started        54 timeout.exe 47->54         started        56 attrib.exe 47->56         started        58 4 other processes 47->58 dnsIp18 87 www.geodatatool.com 158.69.65.151, 443, 49168, 49169 OVHFR Canada 49->87 89 geoiptool.com 49->89 75 C:\Users\user\AppData\Roaming\...\smss.exe, PE32 49->75 dropped 119 Antivirus detection for dropped file 49->119 121 Multi AV Scanner detection for dropped file 49->121 123 Machine Learning detection for dropped file 49->123 125 5 other signatures 49->125 60 smss.exe 49->60         started        64 notepad.exe 49->64         started        file19 signatures20 process21 dnsIp22 101 iplogger.org 88.99.66.31, 443, 49175, 49176 HETZNER-ASDE Germany 60->101 103 www.geodatatool.com 60->103 105 geoiptool.com 60->105 147 Antivirus detection for dropped file 60->147 149 Multi AV Scanner detection for dropped file 60->149 151 Machine Learning detection for dropped file 60->151 153 4 other signatures 60->153 66 cmd.exe 60->66         started        69 cmd.exe 60->69         started        71 cmd.exe 60->71         started        73 cmd.exe 60->73         started        signatures23 process24 signatures25 117 Deletes shadow drive data (may be related to ransomware) 66->117
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686/
Threat name:
Document-Word.Trojan.Donoff
Create hunting rule
Status:
Malicious
First seen:
2020-11-04 10:49:23 UTC
File Type:
Document
Extracted files:
44
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b6a7j2zxba6iefmy77kxz7ysucbpdhfc3zl4q35p6zlvl3zte2da._file
Result
Malware family:
buran
Create hunting rule
Score:
  10/10
Tags:
family:buran evasion persistence ransomware upx
Link:
https://tria.ge/reports/201104-d43dfayxys/
Behaviour
Delays execution with timeout.exe
Interacts with shadow copies
Kills process with taskkill
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 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
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Sets file to hidden
UPX packed file
Modifies extensions of user files
Deletes shadow copies
Buran
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://vidrioindustrial.com/
http://forcecareer.com/
http://onw.kx1.in/
http://hos365llc.com/
http://testwebsite.taxauctioninvestors.com/
http://shradhajewellers.com/
https://educationmillion.com/
http://geozone.at/
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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Comments