MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8923899c254b78249a18bfda487e38140e6f1350c0b3d5150668d6fffedcb46a. 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


Gupboot


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8923899c254b78249a18bfda487e38140e6f1350c0b3d5150668d6fffedcb46a
SHA3-384 hash: 3362673adf4a9e6ac251222fda6d55f1d9767f617d5ac433524cd30ca7dd291e16045b074d6af5d89b5d48db08ace4ce
SHA1 hash: 05653b1a2bff503f39cee14c95e05434258bd58d
MD5 hash: c606793c61e4c8ca9fbba20f94af37ab
humanhash: mississippi-yellow-monkey-robin
File name:C606793C61E4C8CA9FBBA20F94AF37AB
Download: download sample
Signature Gupboot
Create hunting rule
File size:4'376'020 bytes
First seen:2022-11-30 15:31:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4bd9c363925574757ed21073e00c6fb8 (1 x Gupboot)
ssdeep 24576:WaYnzBtkARKzQ/1JMup/6nLhOZrSEu8CkB7mA5Q2CeEYV/TGtDlG5DBMYjvDwPEG:RIugQX1OZ68JUUvCeEC/TGtDiaYA
TLSH T1DD16E51173F91896F2F36B309DB181155B3ABD65AEF2CA2E3144428E1976E50FE31B32
TrID 25.8% (.EXE) UPX compressed Win32 Executable (27066/9/6)
25.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
15.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter EstisRemiel
Tags:exe Gupboot

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C606793C61E4C8CA9FBBA20F94AF37AB
Verdict:
Malicious activity
Analysis date:
2022-11-30 22:54:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/24cae319-4ff1-4b8f-8d3e-5f1ec2f6a44c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/340391/
Detection(s):
Win.Dropper.QQpass-9904690-0
Create hunting rule

Win.Dropper.QQpass-9904695-0
Create hunting rule

Win.Dropper.QQpass-9937642-0
Create hunting rule

Win.Dropper.QQpass-9937644-0
Create hunting rule

Win.Dropper.QQpass-9937650-0
Create hunting rule

ditekSHen.MALWARE.Win.Ransomware.Epsilon.UNOFFICIAL
Create hunting rule

Win.Trojan.Agent-1150947
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a window
Sending a custom TCP request
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm javadropper overlay packed rundll32.exe shell32.dll
Link:
https://www.filescan.io/uploads/63877777090ea3f04935031e/reports/ecd64633-9c71-4fd9-89d7-222de59615c9/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bfbeadb6-6dce-43db-b0f2-d384285f7dff
Result
Threat name:
Urelas
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125002
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject threads in other processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Found PSEXEC tool (often used for remote process execution)
Found stalling execution ending in API Sleep call
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Urelas
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 757735 Sample: N8oU6Q9LHJ.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Urelas 2->46 48 4 other signatures 2->48 8 N8oU6Q9LHJ.exe 1 4 2->8         started        process3 file4 32 C:\Users\user\AppData\Local\Temp\nujuh.exe, PE32 8->32 dropped 58 Creates an undocumented autostart registry key 8->58 12 nujuh.exe 1 2 8->12         started        17 cmd.exe 1 8->17         started        signatures5 process6 dnsIp7 36 1.234.83.146, 11170 SKB-ASSKBroadbandCoLtdKR Korea Republic of 12->36 38 218.54.31.165, 11110 SKB-ASSKBroadbandCoLtdKR Korea Republic of 12->38 40 2 other IPs or domains 12->40 34 C:\Users\user\AppData\Local\Temp\hibul.exe, PE32 12->34 dropped 60 Antivirus detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Found stalling execution ending in API Sleep call 12->64 19 hibul.exe 2 12->19         started        22 conhost.exe 17->22         started        file8 signatures9 process10 signatures11 50 Antivirus detection for dropped file 19->50 52 Detected unpacking (changes PE section rights) 19->52 54 Machine Learning detection for dropped file 19->54 56 Contains functionality to inject threads in other processes 19->56 24 nujuh.exe 19->24         started        26 nujuh.exe 19->26         started        28 nujuh.exe 19->28         started        30 26 other processes 19->30 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8923899c254b78249a18bfda487e38140e6f1350c0b3d5150668d6fffedcb46a/
Threat name:
Win32.Trojan.MintUrelas
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 13:54:08 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rerythbfjn4cjgqyx7neq7rycqhg6e2qycz5kfigndlp77w4wrva._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/221130-sx8qgafa3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
UPX packed file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6da05f97-ceeb-40c3-8b63-1c762648fbc0
Unpacked files
SH256 hash:
8923899c254b78249a18bfda487e38140e6f1350c0b3d5150668d6fffedcb46a
MD5 hash:
c606793c61e4c8ca9fbba20f94af37ab
SHA1 hash:
05653b1a2bff503f39cee14c95e05434258bd58d
Link:
https://www.unpac.me/results/73a63cad-b2ca-4506-b8b9-b5b01cffd378/
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/8923899c254b78249a18bfda487e38140e6f1350c0b3d5150668d6fffedcb46a

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:INDICATOR_SUSPICIOUS_References_SecTools
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:QbotStuff
Create hunting rule
Author:anonymous

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/340391/

Comments