MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b. 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: 16


Intelligence 16 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b
SHA3-384 hash: 9618ae4b392a2c4ea3faf9ed1dae1a2adc93b4394ad01c1458a6a27baf110f3910ccc8868e90c4b7072d94df2a62d716
SHA1 hash: 505efb8325e026ecb0f355280ebbc767af9bf009
MD5 hash: 7b1a11ccbe2b75202de7023b876409b3
humanhash: iowa-four-bacon-utah
File name:738eb28a4f17d2292c8fc731a176539d2674fcb1b96d6.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:3'698'688 bytes
First seen:2024-07-08 10:15:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:P6YUvxNEF+jVIXPOtgrJVx/XaVLgwcuBL:P6jvU+jnwlXaVLgwcI
TLSH T18B06E11665D28E33C2A45B328657423E8291D7663522FE0B359FA0D2B8077F48F762F7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://483130cm.nyashka.top/VmPhpupdatedefaultLocal.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://483130cm.nyashka.top/VmPhpupdatedefaultLocal.php https://threatfox.abuse.ch/ioc/1295783/

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b.exe
Verdict:
Malicious activity
Analysis date:
2024-07-08 10:17:57 UTC
Tags:
dcrat rat remote darkcrystal netreactor susp-powershell
Link:
https://app.any.run/tasks/ab7de5fe-8bdb-42c8-9f11-bc852bdeb6fb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.Uztuby-10015486-0
Create hunting rule

Win.Packed.Uztuby-10015902-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Win.Packed.Uztuby-10017373-0
Create hunting rule

Win.Packed.Zusy-10023527-0
Create hunting rule

Win.Dropper.HawkEye-10027238-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668bbc643bd942ce8f6df729win7simulatehigh_evasion
Tags:
Execution Network Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a process from a recently created file
Loading a suspicious library
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Creating a window
Searching for synchronization primitives
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/668bbc63a2d150e570563aa5/reports/d20d6f32-78ec-4b75-b4ef-c0eb7526cc46/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b
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:
Malicious
Link:
https://analyze.intezer.com/analyses/f6fe0560-49ca-4ab9-b0bb-b3a1589dcc96
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1469038
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops executable to a common third party application directory
Drops PE files to the user root directory
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1469038 Sample: 738eb28a4f17d2292c8fc731a17... Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 41 483130cm.nyashka.top 2->41 47 Snort IDS alert for network traffic 2->47 49 Antivirus detection for URL or domain 2->49 51 Antivirus detection for dropped file 2->51 53 13 other signatures 2->53 8 738eb28a4f17d2292c8fc731a176539d2674fcb1b96d6.exe 4 44 2->8         started        signatures3 process4 file5 25 C:\Users\user\Desktop\xgkwvBQS.log, PE32 8->25 dropped 27 C:\Users\user\Desktop\vnVNKFfU.log, PE32 8->27 dropped 29 C:\Users\user\Desktop\uqtFoFQZ.log, PE32 8->29 dropped 31 30 other malicious files 8->31 dropped 55 Drops PE files to the user root directory 8->55 57 Drops executable to a common third party application directory 8->57 12 cmd.exe 1 8->12         started        signatures6 process7 process8 14 OuWbBxJwQvbnlmmFlzOnXlKw.exe 14 522 12->14         started        19 w32tm.exe 1 12->19         started        21 conhost.exe 12->21         started        23 chcp.com 1 12->23         started        dnsIp9 43 483130cm.nyashka.top 188.114.97.3, 49704, 49705, 49706 CLOUDFLARENETUS European Union 14->43 33 C:\Users\user\Desktop\yMkwYPst.log, PE32 14->33 dropped 35 C:\Users\user\Desktop\wKyNCgny.log, PE32 14->35 dropped 37 C:\Users\user\Desktop\tZSxvSdF.log, PE32 14->37 dropped 39 19 other malicious files 14->39 dropped 45 Tries to harvest and steal browser information (history, passwords, etc) 14->45 file10 signatures11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b/
Threat name:
ByteCode-MSIL.Trojan.Whispergate
Create hunting rule
Status:
Malicious
First seen:
2024-07-06 12:33:00 UTC
File Type:
PE (.Net Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oohlfcspc7jcslepy4y2c5sttuthj7frxfwwhobjw3ex4qf4cyvq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/240708-masg3sthmj/
Behaviour
Modifies registry class
Runs ping.exe
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
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/56f587a5-5386-4532-b212-06a931d9a1f8
Unpacked files
SH256 hash:
738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b
MD5 hash:
7b1a11ccbe2b75202de7023b876409b3
SHA1 hash:
505efb8325e026ecb0f355280ebbc767af9bf009
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/a37e6dfc-40bb-47f5-8b1f-2f577ec5ab8b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/738eb28a4f17d2292c8fc731a176539d2674fcb1b96d63b829b6c97e40bc162b

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments