MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9
SHA3-384 hash: 0be9fe1aa45468872d164e04f2fe44a1bb755c9d9fe192149d64361807d27321d0337283b3977a5071997115276568ca
SHA1 hash: 8a7a2c5f4befad8ee8a7b8358750028305a1064d
MD5 hash: 41ae89067eb99e1b9f976cfca3a3f14f
humanhash: ohio-monkey-golf-pasta
File name:a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9
Download: download sample
Signature DCRat
Create hunting rule
File size:959'375 bytes
First seen:2021-02-28 07:23:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (865 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:FAOcZrdeBRyDfpZVog/Ui2CFVYW3q6hDoFWsh:vSeaL+g/Ui2tEpJGh
Threatray 406 similar samples on MalwareBazaar
TLSH E415F1116FE5CC76C2631E395979E729A9BCA5202D29C71BEFA50CDDFF30AC03914292
Reporter JAMESWT_WT
Tags:DCRat

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:25:11 UTC
Tags:
rat backdoor dcrat trojan evasion
Link:
https://app.any.run/tasks/282b5ef8-db12-404e-92ee-397adc40459a

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/119938/
Detection(s):
Win.Dropper.Nanocore-9774880-0
Create hunting rule

Win.Malware.Uztuby-9797514-0
Create hunting rule

SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Sending an HTTP GET request
DNS request
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/620853
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 detection for dropped file
Creates multiple autostart registry keys
Drops PE files to the document folder of the user
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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: 359420 Sample: GgYg5XuYNf Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 83 Found malware configuration 2->83 85 Antivirus detection for dropped file 2->85 87 Multi AV Scanner detection for dropped file 2->87 89 9 other signatures 2->89 13 GgYg5XuYNf.exe 3 6 2->13         started        16 conhost.exe 3 2->16         started        19 crtsaves.exe 2->19         started        21 4 other processes 2->21 process3 file4 67 C:\hostreview\pqts3Dyzf0zTKriZOrAK.exe, PE32 13->67 dropped 23 wscript.exe 1 13->23         started        75 Antivirus detection for dropped file 16->75 77 Multi AV Scanner detection for dropped file 16->77 79 Machine Learning detection for dropped file 16->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->81 signatures5 process6 process7 25 cmd.exe 1 23->25         started        process8 27 pqts3Dyzf0zTKriZOrAK.exe 6 25->27         started        31 conhost.exe 25->31         started        file9 65 C:\hostreview\crtsaves.exe, PE32 27->65 dropped 99 Multi AV Scanner detection for dropped file 27->99 33 wscript.exe 1 27->33         started        signatures10 process11 process12 35 cmd.exe 1 33->35         started        process13 37 crtsaves.exe 4 9 35->37         started        41 conhost.exe 35->41         started        file14 59 C:\Users\user\Documents\...\conhost.exe, PE32 37->59 dropped 61 C:\Recovery\crtsaves.exe, PE32 37->61 dropped 63 C:\MSOCache\All Users\...\WmiPrvSE.exe, PE32 37->63 dropped 91 Antivirus detection for dropped file 37->91 93 Multi AV Scanner detection for dropped file 37->93 95 Drops PE files to the document folder of the user 37->95 97 4 other signatures 37->97 43 WmiPrvSE.exe 37->43         started        47 schtasks.exe 1 37->47         started        49 schtasks.exe 1 37->49         started        51 schtasks.exe 1 37->51         started        signatures15 process16 dnsIp17 69 178.250.158.249, 49739, 49743, 80 THEFIRST-ASRU Russian Federation 43->69 71 ipinfo.io 216.239.32.21, 443, 49742 GOOGLEUS United States 43->71 73 192.168.2.1 unknown unknown 43->73 101 Tries to harvest and steal browser information (history, passwords, etc) 43->101 53 conhost.exe 47->53         started        55 conhost.exe 49->55         started        57 conhost.exe 51->57         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9/
Threat name:
Win32.Backdoor.LightStone
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 02:41:00 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
026e27e7f9ed14e29d3f9feffd83f8c83b88291439c5f1376d264504b832c2ca
DCRat
25a5d91f4c867eb1436fdba263123537b96a582fd0f80dccf96537198678925e
DCRat
3f1d6522a3dc9c69310b7c960788de537186c1256dae425eac2cf07c66dd3ab8
DCRat
4231d303577111382f2c3a44d1b4077b11dfe8125d851a5bda6ceebef5a0d5a4
DCRat
43fc7007823fa8f0e718a782ba2d85a5e63eb77a8efebc223e72d5671465e44f
DCRat
7125ff46ae7468216b1764b9e22b5811d4890f33a237776c6cbf22c8d8f09bbc
DCRat
75ea1220430a1db49377668f5fc4f38d4bde275076a4619ba41d1d54a62bc9b8
DCRat
86724d535e2c319d81e042f7937652df0fd5d4100870f3e85373f10998bff2f0
DCRat
95c7436558a5834379102b569f796d288fa04d8cbc52d7719709caec3cc7da09
DCRat
f5c3eeb8f2ea96aa8b70d7819ffef017bc30b76b58bc7e85ec796e8e8bb789b2
DCRat
+ 396 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/210228-k17ppcxa2n/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
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:
0a4b6faf299941b343ca38250d1b52cb5e4bdbf36e7d8e240ee9726937f2aacd
MD5 hash:
e63296992d9d98e390a596710c5235ee
SHA1 hash:
971b7db8f2b1e9608a67d4a68055cac9fa85e8c7
Link:
https://www.unpac.me/results/755d8559-2eb0-4df1-813c-c5df22edce32/
SH256 hash:
a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9
MD5 hash:
41ae89067eb99e1b9f976cfca3a3f14f
SHA1 hash:
8a7a2c5f4befad8ee8a7b8358750028305a1064d
Link:
https://www.unpac.me/results/755d8559-2eb0-4df1-813c-c5df22edce32/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a8820beaeefff48ca74cc149e99807845bbbb9d5a3b02ce625ba778ba129afe9

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/119938/

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