MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d
SHA3-384 hash: dad4b5aa5e6f7dcb894144ded544943d59ddd49795572d604c70aaa2bf787c0d5b4df5c1e44afe713d4fadf40399e0e0
SHA1 hash: b78d1c56fcda9a1bb8b0b6ecaf4d406960048922
MD5 hash: 66f26f04628f10ba6a66a759977f01f9
humanhash: wolfram-georgia-tennessee-charlie
File name:66F26F04628F10BA6A66A759977F01F9.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:20'256'768 bytes
First seen:2024-05-24 16:25:18 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 49152:BD95ju4gEp9ywkJa3REQPN69LcLPigAFLhRlqagBM9UOZmX/TQjE:BD9FgE6VJaBEQ9rigAF1qaEkUCmk
TLSH T15417F18A95964E77C2E47FB088E7002D82B1E7627513EF0B7A1F11D27D052329B56AF3
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://62.109.13.68/Temporary/7TrackDb7/trackwpTemp.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
375
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d.exe
Verdict:
Malicious activity
Analysis date:
2024-05-24 16:27:03 UTC
Tags:
evasion telegram rat dcrat remote darkcrystal exfiltration
Link:
https://app.any.run/tasks/51fb9d10-049a-48f5-8247-a511fb3210a2

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-10015036-0
Create hunting rule

Win.Packed.Uztuby-10015799-0
Create hunting rule

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

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

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

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6650c06fa8a296404f97a81cwin7simulatehigh_evasion
Tags:
Execution Network Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Loading a suspicious library
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Searching for synchronization primitives
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat net_reactor overlay packed packed
Link:
https://www.filescan.io/uploads/6650bf9c9ef257851a97dac3/reports/0b8307e4-a901-4841-b664-bbdeb3dd5939/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d
Result
Verdict:
MALICIOUS
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/1447273
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
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1447273 Sample: Llkht92Tu3.exe Startdate: 24/05/2024 Architecture: WINDOWS Score: 100 42 api.telegram.org 2->42 44 ipinfo.io 2->44 54 Snort IDS alert for network traffic 2->54 56 Antivirus detection for dropped file 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 62 11 other signatures 2->62 8 Llkht92Tu3.exe 18 48 2->8         started        signatures3 60 Uses the Telegram API (likely for C&C communication) 42->60 process4 dnsIp5 46 api.telegram.org 149.154.167.220, 443, 49732, 49768 TELEGRAMRU United Kingdom 8->46 48 ipinfo.io 34.117.186.192, 443, 49730, 49731 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 8->48 34 C:\Windows\...\XyvKWKjNWxjYlOfNDpijh.exe, PE32 8->34 dropped 36 C:\Users\user\Llkht92Tu3.exe, PE32 8->36 dropped 38 C:\Users\user\Desktop\zYPhfVKx.log, PE32 8->38 dropped 40 30 other malicious files 8->40 dropped 64 Drops PE files to the user root directory 8->64 13 cmd.exe 1 8->13         started        file6 signatures7 process8 process9 15 XyvKWKjNWxjYlOfNDpijh.exe 14 485 13->15         started        20 w32tm.exe 1 13->20         started        22 conhost.exe 13->22         started        24 chcp.com 1 13->24         started        dnsIp10 50 62.109.13.68, 49739, 49740, 49741 THEFIRST-ASRU Russian Federation 15->50 26 C:\Users\user\Desktop\zVuZuYNL.log, PE32 15->26 dropped 28 C:\Users\user\Desktop\zDnHfCTJ.log, PE32 15->28 dropped 30 C:\Users\user\Desktop\yXSRYYyR.log, PE32 15->30 dropped 32 24 other malicious files 15->32 dropped 52 Tries to harvest and steal browser information (history, passwords, etc) 15->52 file11 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-05-19 08:51:13 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vk6cm2ac6bgr53vfnxw56c6dr5hbjvogo2c73hckprwzr35hwmoq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/240524-txhdysbg9v/
Behaviour
Modifies registry class
Modifies system certificate store
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
Drops file in System32 directory
Looks up external IP address via web service
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/48b7e9d5-60eb-408a-9bf4-e68969c18495
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aabc266802f0/report/overview.html
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/aabc266802f04d1eeea56deddf0bc38f4e14d5c67685fd9c4a7c6d98efa7b31d

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

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