MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764. 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


Dharma


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
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SHA256 hash: a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764
SHA3-384 hash: e13ebae4b00df41947c99556b47d54c39244a86e746bcbb4c8857741ab6856570f34705329412b5794cd7eefd9e3c82b
SHA1 hash: ef619a3584d133311743940ec48e11a820ff99bd
MD5 hash: 3abcfbb26537298a24de187a9abe703d
humanhash: illinois-quiet-lion-arkansas
File name:a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764.bin
Download: download sample
Signature Dharma
Create hunting rule
File size:94'720 bytes
First seen:2020-10-16 16:00:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f86dec4a80961955a89e7ed62046cc0e (94 x Dharma, 1 x Crysis)
ssdeep 1536:mBwl+KXpsqN5vlwWYyhY9S4A0f7e+Ue3S2FEYRoXtJXyxxuq:Qw+asqN5aW/hLyNi6o9QI
TLSH DA938C29E421D135E8E250FFCBF656FD6D684B20230794D397C01E89AB859E6F932933
Reporter Arkbird_SOLG
Tags:Crysis Dharma Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
3'682
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72181/
Detection(s):
Win.Trojan.Dharma-6668198-0
Create hunting rule

SecuriteInfo.com.Trojan.Encoder.3953.12180.14230.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 directory
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files subdirectories
Creating a file in the Program Files directory
Changing a file
Modifying an executable file
Replacing executable files
Moving a file to the Program Files subdirectory
Sending a UDP request
Launching a process
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
Enabling autorun by creating a file
Infecting executable files
Result
Threat name:
Crysis Wadhrama
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Detection:
malicious
Classification:
rans.spre.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/493921
Signature
Antivirus / Scanner detection for submitted sample
Creates an autostart registry key pointing to binary in C:\Windows
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Crysis Ransomware
Yara detected Wadhrama Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 299411 Sample: nV7KrYsgnP.bin Startdate: 16/10/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 6 other signatures 2->44 7 nV7KrYsgnP.exe 1 501 2->7         started        11 nV7KrYsgnP.exe 2->11         started        13 nV7KrYsgnP.exe 2->13         started        15 OpenWith.exe 2->15         started        process3 file4 26 C:\Windows\System32\nV7KrYsgnP.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...\nV7KrYsgnP.exe, PE32 7->28 dropped 30 C:\ProgramData\Microsoft\...\nV7KrYsgnP.exe, PE32 7->30 dropped 32 91 other files (77 malicious) 7->32 dropped 46 Creates files in the recycle bin to hide itself 7->46 48 Drops PE files to the startup folder 7->48 50 Creates an autostart registry key pointing to binary in C:\Windows 7->50 52 2 other signatures 7->52 17 cmd.exe 1 7->17         started        signatures5 process6 signatures7 34 May disable shadow drive data (uses vssadmin) 17->34 36 Deletes shadow drive data (may be related to ransomware) 17->36 20 conhost.exe 17->20         started        22 vssadmin.exe 1 17->22         started        24 mode.com 1 17->24         started        process8
Detection:
dharma
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764/
Threat name:
Win32.Ransomware.Crysis
Create hunting rule
Status:
Malicious
First seen:
2018-10-09 01:49:01 UTC
File Type:
PE (Exe)
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucgbslpwfzmpv4qduegygctpbq2pdwcdg46olstpjato2rndm5sa._file
Result
Malware family:
dharma
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Score:
  10/10
Tags:
ransomware persistence spyware family:dharma
Link:
https://tria.ge/reports/201016-xxq735d14e/
Behaviour
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
Dharma
Unpacked files
SH256 hash:
a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764
MD5 hash:
3abcfbb26537298a24de187a9abe703d
SHA1 hash:
ef619a3584d133311743940ec48e11a820ff99bd
Detections:
win_dharma_auto
Create hunting rule
Link:
https://www.unpac.me/results/7856feb6-a83e-4702-9d3c-2db25ba72983/
SH256 hash:
f9b053d591f1f62210a4165b96b98cfef654374b1bbdddeeff88ecb60c011673
MD5 hash:
2b2c09ded92283ead7648832de598f97
SHA1 hash:
e829dde58e824aef2b3e69a45c04266789225bc8
Link:
https://www.unpac.me/results/7856feb6-a83e-4702-9d3c-2db25ba72983/
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/a08c192df62e58faf203a10d830a6f0c34f1d843373ce5ca6f4826ed45a36764

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:MAL_Ransomware_Wadhrama
Create hunting rule
Author:Florian Roth
Description:Detects Wadhrama Ransomware via Imphash
Reference:Internal Research
Rule name:win_dharma_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

  
Link
https://github.com/StrangerealIntel/DailyIOC/blob/master/2020-10-16/Ran_Crysis_Sep_2020_1.yar
  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/72181/

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