MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e. 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


DCRat


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e
SHA3-384 hash: f9ed17b6b76c852b0a48861f178534ccba278dc9da07d8d35647a211f42c2973acb67c5cb46f737528ccf958e6e289af
SHA1 hash: ece121eadf6319268ca8d4512a79cd707f46490a
MD5 hash: a4606a698fe4d024258caf474b054927
humanhash: fifteen-chicken-fourteen-magnesium
File name:install.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'257'472 bytes
First seen:2021-02-26 10:36:44 UTC
Last seen:2021-02-26 13:07:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:Urwz6nAKv4wpAPOqsz0smhJEW7ausaIysIuM1b5b/iTzFfSj3r:q7wwGPi2HEcaRywM11/4fSj7
Threatray 8 similar samples on MalwareBazaar
TLSH 0945332AC176E812E81CB679B0D3DD500ACA4A28CE4985BC6D4488EDFF199F9F45F41F
Reporter Finch39487976
Tags:DCRat

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://bit.ly/37YAncX
Verdict:
Malicious activity
Analysis date:
2021-02-24 01:59:11 UTC
Tags:
rat backdoor dcrat trojan
Link:
https://app.any.run/tasks/282697e4-ed80-45fc-a438-ee7bbaa60ffc

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/119378/
Detection(s):
SecuriteInfo.com.Variant.Bulz.370427.26776.28893.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Launching a process
Creating a file
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Sending a UDP request
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
DNS request
Setting a global event handler for the keyboard
Stealing user critical data
Enabling autorun by creating a file
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.
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/619571
Signature
.NET source code contains in memory code execution
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 358781 Sample: install.exe Startdate: 26/02/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 18 other signatures 2->57 7 install.exe 1 24 2->7         started        11 aTYilTGZRRSzzZWR.exe 3 2->11         started        13 services.exe 3 2->13         started        15 2 other processes 2->15 process3 file4 39 C:\Users\Default\aTYilTGZRRSzzZWR.exe, PE32 7->39 dropped 41 C:\Users\Default\...\aTYilTGZRRSzzZWR.exe, PE32 7->41 dropped 43 C:\Users\Default\...\RuntimeBroker.exe, PE32 7->43 dropped 45 10 other malicious files 7->45 dropped 65 Detected unpacking (changes PE section rights) 7->65 67 Detected unpacking (overwrites its own PE header) 7->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->69 75 3 other signatures 7->75 17 explorer.exe 97 7->17         started        21 schtasks.exe 1 7->21         started        23 schtasks.exe 1 7->23         started        25 5 other processes 7->25 71 Multi AV Scanner detection for dropped file 11->71 73 Hides threads from debuggers 11->73 signatures5 process6 dnsIp7 47 78.24.222.70, 49742, 49744, 49749 THEFIRST-ASRU Russian Federation 17->47 49 ipinfo.io 216.239.36.21, 443, 49747 GOOGLEUS United States 17->49 59 System process connects to network (likely due to code injection or exploit) 17->59 61 Tries to harvest and steal browser information (history, passwords, etc) 17->61 63 Hides threads from debuggers 17->63 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        37 2 other processes 25->37 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e/
Threat name:
Win32.Packed.EnigmaProtector
Create hunting rule
Status:
Malicious
First seen:
2021-02-25 11:58:33 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  1/5
Verdict:
suspicious
Similar samples:
26bbd10d6fa04b957de85d976141cd849d21cf790694e3145cc34b3c48439103
DCRat
43fc7007823fa8f0e718a782ba2d85a5e63eb77a8efebc223e72d5671465e44f
DCRat
5261874485f9fe16a78a558734e8652f93db1d544f3be331e7f6adc06f43ee98
DCRat
8682b402998f5069e2922a8cec15c4ab875a104c364366e02efed84cecb49355
DCRat
9a080e918c88adb048ffca38c0604318eee80e19be5a578186a63cdd64d45a41
DCRat
9cda5e5ad6ca68a803516013fbf62e6b06383b20fccf1ee6aed4730c916a3b55
DCRat
ccae475b281127a3280a51906a2ab50248c8b7f75c34e93c5bd62ccc0fded850
DCRat
e7e5f0ac865dd8cec6539a3defbd09f15df7822b647fcd2e2f53555be98ad8e2
DCRat
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware
Link:
https://tria.ge/reports/210226-b41p7gmg9s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e
MD5 hash:
a4606a698fe4d024258caf474b054927
SHA1 hash:
ece121eadf6319268ca8d4512a79cd707f46490a
Link:
https://www.unpac.me/results/f6b902e6-d75d-4134-852d-df8bff7a301d/
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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_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.

Web download

DCRat

Executable exe 25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e

(this sample)

  
X
https://twitter.com/Finch39487976/status/1365227340150829064
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/119378/

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