MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73387abd4f9966ec875dd96feb2f8ea23743564ec817c11e4d311588a8a424b1. 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 1 File information Comments

SHA256 hash: 73387abd4f9966ec875dd96feb2f8ea23743564ec817c11e4d311588a8a424b1
SHA3-384 hash: 1358cfbc142765c56e83b1b97a96c1c6815a0c752bb6a15f35758849d47bdfef785e93001fc24dd60702044466c37b38
SHA1 hash: 20e5a8dbab21667a0cb32f600e9df4f09e29c331
MD5 hash: a3893ff6244ac5198d5ff2f6463a5a45
humanhash: spaghetti-mars-juliet-leopard
File name:a3893ff6244ac5198d5ff2f6463a5a45.exe
Download: download sample
Signature DCRat
File size:11'417'803 bytes
First seen:2023-07-18 09:30:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91e96141ed5dbe3bc541c8aad7ff3c38 (22 x CryptOne, 7 x njrat, 5 x DCRat)
ssdeep 196608:AOqwcXTdr+WZ8VRWwIs4j6axmYFPQLf9XEZcL0M2bkPI8IUjKkVvBnZbIr:PcXZ+WZNVbj67yClXEoXwHk1bIr
Threatray 2'298 similar samples on MalwareBazaar
TLSH T1D4B633506549C9B2C087443046E1CB933FBE38201B259BD7AB947AAF93F79E2DD283D5
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8e0f2b212523f767 (1 x DCRat)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://63120m.dccr.ru/dc_crack.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a3893ff6244ac5198d5ff2f6463a5a45.exe
Verdict:
Malicious activity
Analysis date:
2023-07-18 09:34:30 UTC
Tags:
rat backdoor dcrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a file in the %temp% directory
Searching for analyzing tools
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin overlay packed replace setupapi shdocvw shell32
Result
Verdict:
MALICIOUS
Result
Threat name:
DCRat, Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Creates processes via WMI
Detected unpacking (changes PE section rights)
Drops executable to a common third party application directory
Drops PE files with benign system names
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Sigma detected: Stop multiple services
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected DCRat
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274987 Sample: 22vb0rzHgc.exe Startdate: 18/07/2023 Architecture: WINDOWS Score: 100 114 Snort IDS alert for network traffic 2->114 116 Found malware configuration 2->116 118 Malicious sample detected (through community Yara rule) 2->118 120 12 other signatures 2->120 11 22vb0rzHgc.exe 7 2->11         started        14 cmd.exe 1 2->14         started        16 cmd.exe 1 2->16         started        19 3 other processes 2->19 process3 file4 102 C:\Users\user\Desktop\Minty.exe, PE32+ 11->102 dropped 104 C:\Users\user\Desktop\Details.exe, PE32 11->104 dropped 21 Details.exe 9 11->21         started        26 Minty.exe 11->26         started        28 conhost.exe 14->28         started        30 sc.exe 1 14->30         started        38 4 other processes 14->38 112 Modifies power options to not sleep / hibernate 16->112 32 powercfg.exe 16->32         started        40 4 other processes 16->40 34 conhost.exe 19->34         started        36 conhost.exe 19->36         started        signatures5 process6 dnsIp7 110 192.168.2.1 unknown unknown 21->110 82 C:\Users\user\AppData\Local\Temp\Patch.exe, PE32 21->82 dropped 84 C:\Users\user\AppData\Local\Temp\Fixes.exe, PE32+ 21->84 dropped 122 Multi AV Scanner detection for dropped file 21->122 42 Fixes.exe 2 21->42         started        46 Patch.exe 3 6 21->46         started        48 cmd.exe 26->48         started        50 conhost.exe 26->50         started        52 SurrogateRuntime.exe 28->52         started        54 conhost.exe 28->54         started        124 Creates processes via WMI 32->124 file8 signatures9 process10 file11 86 C:\Users\user\AppData\...\ircluwxqyzfe.tmp, PE32+ 42->86 dropped 88 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 42->88 dropped 136 Antivirus detection for dropped file 42->136 138 Multi AV Scanner detection for dropped file 42->138 140 Modifies the context of a thread in another process (thread injection) 42->140 160 3 other signatures 42->160 56 dialer.exe 42->56         started        90 C:\...\SurrogateRuntime.exe, PE32 46->90 dropped 92 C:\...\sFeboDJ4SRNPRWYhg0M4Uj5TRAf.vbe, data 46->92 dropped 142 Detected unpacking (changes PE section rights) 46->142 144 Tries to detect sandboxes and other dynamic analysis tools (window names) 46->144 146 Hides threads from debuggers 46->146 59 wscript.exe 1 46->59         started        148 Uses powercfg.exe to modify the power settings 48->148 150 Modifies power options to not sleep / hibernate 48->150 94 C:\Windows\SoftwareDistribution\...\dwm.exe, PE32 52->94 dropped 96 C:\Windowsbehaviorgraphlobalization\...\winlogon.exe, PE32 52->96 dropped 98 C:\ProgramData\audiodg.exe, PE32 52->98 dropped 100 5 other malicious files 52->100 dropped 152 Machine Learning detection for dropped file 52->152 154 Creates processes via WMI 52->154 156 Drops PE files with benign system names 52->156 158 Drops executable to a common third party application directory 52->158 signatures12 process13 signatures14 126 Injects code into the Windows Explorer (explorer.exe) 56->126 128 Contains functionality to inject code into remote processes 56->128 130 Writes to foreign memory regions 56->130 132 4 other signatures 56->132 61 updater.exe 56->61         started        65 lsass.exe 56->65 injected 67 svchost.exe 56->67 injected 71 20 other processes 56->71 69 cmd.exe 59->69         started        process15 file16 106 C:\Windows\Temp\ircluwxqyzfe.tmp, PE32+ 61->106 dropped 108 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 61->108 dropped 162 Protects its processes via BreakOnTermination flag 61->162 164 Writes to foreign memory regions 61->164 166 Modifies the context of a thread in another process (thread injection) 61->166 170 2 other signatures 61->170 168 Adds a directory exclusion to Windows Defender 65->168 73 powershell.exe 65->73         started        76 MpCmdRun.exe 65->76         started        signatures17 process18 signatures19 134 Creates files in the system32 config directory 73->134 78 conhost.exe 73->78         started        80 conhost.exe 76->80         started        process20
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2023-07-09 01:37:16 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat evasion infostealer rat
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
Stops running service(s)
DCRat payload
DcRat
Process spawned unexpected child process
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
31d09145b60a4f07e1268546599d830d4b2419118ad6e49922b8a9c609a23b42
MD5 hash:
bf336a362a64610947571ecd7e0266ab
SHA1 hash:
b284494ede7a82f59481a48099365f163d9e6f93
SH256 hash:
4011551ee8a1b0216c08e8c16fede028ccf1f5a6daa57763b3939b9641b6f222
MD5 hash:
5cdaa5ff992e51ed5de40fdf68960390
SHA1 hash:
c495b3d3e4aaaf14aeee1e02106a4cdd7ab9d8f5
SH256 hash:
73387abd4f9966ec875dd96feb2f8ea23743564ec817c11e4d311588a8a424b1
MD5 hash:
a3893ff6244ac5198d5ff2f6463a5a45
SHA1 hash:
20e5a8dbab21667a0cb32f600e9df4f09e29c331
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

File information


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

Comments