MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8aa0a26ce1bab524dd88d314d197a2af59b5b67db0fff3d82690b74e7d95c4e. 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



Troldesh


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: c8aa0a26ce1bab524dd88d314d197a2af59b5b67db0fff3d82690b74e7d95c4e
SHA3-384 hash: e4b4e0991bf5d7e330c471eca4533fd8da4fd1384ef9e93ba29629e1bc4a3a71425302aa7bde917287fb655865b6f385
SHA1 hash: 052494c49d1cc1f5db75a95b8d440ed4e562080d
MD5 hash: 1e707df53682369132e152f7f3a444f5
humanhash: illinois-crazy-fillet-red
File name:c8aa0a26ce1bab524dd88d314d197a2af59b5b67db0fff3d82690b74e7d95c4e
Download: download sample
Signature Troldesh
File size:1'070'349 bytes
First seen:2021-08-30 06:18:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 919a9aec1eff347967bff351784e8b43 (2 x Troldesh)
ssdeep 12288:Mi94bywx1Dj5+h7ZCn0P5T7lHDbIi9dszYjN5HbPiLsptcyx7tbFEujtgDc:MHx13SZW0x5j5dsYnHeYpuyx7tx/tgDc
Threatray 17 similar samples on MalwareBazaar
TLSH T17E35236EF0F36A33E19B4C35504E703B16B48285A7B9156FB1F5E64492B0E6274832BF
Reporter JAMESWT_WT
Tags:exe signed Troldesh

Code Signing Certificate

Organisation:XZZOXJSC
Issuer:XZZOXJSC
Algorithm:sha1WithRSA
Valid from:2018-12-25T12:03:56Z
Valid to:2039-12-31T23:59:59Z
Serial number: 7ef3009152fb26964326de5092ec72ca
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 74ff03bb7cd389ad2a561b89c88da858bf33352c080d7a62538cdca29776c9d0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
810
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Deleting a recently created file
Sending a custom TCP request
Delayed writing of the file
Replacing files
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
CryptOne
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Contains functionalty to change the wallpaper
Deletes shadow drive data (may be related to ransomware)
Detected CryptOne packer
Drops PE files with benign system names
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
May use the Tor software to hide its network traffic
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Stores a public key to the registry (likely related to ransomware)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474536 Sample: WlWQ2rh08n Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 67 Multi AV Scanner detection for submitted file 2->67 69 Machine Learning detection for sample 2->69 71 Found Tor onion address 2->71 73 3 other signatures 2->73 7 WlWQ2rh08n.exe 10 25 2->7         started        12 csrss.exe 2->12         started        14 csrss.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 61 127.0.0.1 unknown unknown 7->61 63 202.61.255.243, 49801, 49827, 49841 TH-AS-APTianhaiInfoTechCN Australia 7->63 65 22 other IPs or domains 7->65 49 C:\ProgramData\Windows\csrss.exe, PE32 7->49 dropped 51 +FgBIbsMo7XBtuRikt...rypted000007 (copy), data 7->51 dropped 53 zh2-dWiGhQ6danfkKj...rypted000007 (copy), data 7->53 dropped 55 292 other files (288 malicious) 7->55 dropped 75 Detected CryptOne packer 7->75 77 Stores a public key to the registry (likely related to ransomware) 7->77 79 May disable shadow drive data (uses vssadmin) 7->79 87 3 other signatures 7->87 18 cmd.exe 7->18         started        20 cmd.exe 7->20         started        22 cmd.exe 7->22         started        29 12 other processes 7->29 81 Multi AV Scanner detection for dropped file 12->81 83 Contains functionalty to change the wallpaper 12->83 85 Machine Learning detection for dropped file 12->85 24 WerFault.exe 16->24         started        27 WerFault.exe 16->27         started        file5 signatures6 process7 file8 31 conhost.exe 18->31         started        33 chcp.com 18->33         started        35 conhost.exe 20->35         started        37 chcp.com 20->37         started        39 conhost.exe 22->39         started        41 chcp.com 22->41         started        57 C:\ProgramData\Microsoft\...\WERC616.tmp.dmp, Mini 24->57 dropped 59 C:\ProgramData\Microsoft\...\WER9DD8.tmp.dmp, Mini 27->59 dropped 43 conhost.exe 29->43         started        45 conhost.exe 29->45         started        47 21 other processes 29->47 process9
Threat name:
Win32.Ransomware.Troldesh
Status:
Malicious
First seen:
2021-08-15 18:10:59 UTC
File Type:
PE (Exe)
AV detection:
41 of 46 (89.13%)
Threat level:
  5/5
Result
Malware family:
troldesh
Score:
  10/10
Tags:
family:troldesh discovery persistence ransomware spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Interacts with shadow copies
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Reads user/profile data of web browsers
Modifies Installed Components in the registry
UPX packed file
Deletes shadow copies
Troldesh, Shade, Encoder.858
Unpacked files
SH256 hash:
a783833aaf77b85746d0520632a71482be1757dfdcc0a82c1102e7df70199018
MD5 hash:
a3075c07faef09600e3fd923838efc65
SHA1 hash:
894a0bdb301d2eb5751da8d1baf505282cc4a38c
Detections:
win_troldesh_auto
SH256 hash:
c8aa0a26ce1bab524dd88d314d197a2af59b5b67db0fff3d82690b74e7d95c4e
MD5 hash:
1e707df53682369132e152f7f3a444f5
SHA1 hash:
052494c49d1cc1f5db75a95b8d440ed4e562080d
Malware family:
CryptOne
Verdict:
Malicious
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:win_troldesh_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.troldesh.

File information


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

Comments