MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f40d98b920bdfe608a5339a3888d98892203c97efaf3316dee38ffdd172f84b2. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: f40d98b920bdfe608a5339a3888d98892203c97efaf3316dee38ffdd172f84b2
SHA3-384 hash: 0cbe34c892ec27e14b5e07665d1dd5e79835679783cb62ccb32f5b4898a2bea39163466aef093eae01899c21938ea7e8
SHA1 hash: ac4e6cf7be874c35c4f339dd7aa2f96025628476
MD5 hash: a2a774ce788a27a6866aaa7225a55db3
humanhash: tennessee-grey-seventeen-wyoming
File name:a2a774ce788a27a6866aaa7225a55db3.exe
Download: download sample
Signature DCRat
File size:1'390'697 bytes
First seen:2024-02-01 16:10:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:2TbBv5rUyXVl/cq000hxpYBbDkoXbGW3NAUfIvquPYPXKXg0zkeTdna7oZPrhHgP:IBJltRBbgoCLUfIvqugyXg0Ie1aOPr9A
Threatray 963 similar samples on MalwareBazaar
TLSH T12E5512017ED584B2D46318335B79AB20A93CBD601FA6CDDB63D46A6EDA321C0D7313E2
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://369023cm.nyashmyash.top/ImagelongpollapiprotectdefaultlinuxFlowerPrivate.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint installer overlay packed sfx
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Drops executables to the windows directory (C:\Windows) and starts them
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1385012 Sample: N5QA3IWBvt.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 60 369023cm.nyashmyash.top 2->60 66 Snort IDS alert for network traffic 2->66 68 Antivirus detection for URL or domain 2->68 70 Antivirus detection for dropped file 2->70 72 7 other signatures 2->72 11 N5QA3IWBvt.exe 3 6 2->11         started        signatures3 process4 file5 48 C:\...\agentwincommon.exe, PE32 11->48 dropped 50 0EpP1AEJY0AFo67QZd...VNjEXTYm7P1GAIk.vbe, data 11->50 dropped 14 wscript.exe 1 11->14         started        process6 signatures7 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->90 17 cmd.exe 1 14->17         started        process8 process9 19 agentwincommon.exe 3 36 17->19         started        23 reg.exe 1 1 17->23         started        25 conhost.exe 17->25         started        file10 40 C:\Windows\Offline Web Pages\upfc.exe, PE32 19->40 dropped 42 C:\Users\user\Desktop\zHOejNhF.log, PE32 19->42 dropped 44 C:\Users\user\Desktop\wWiOcAXM.log, PE32 19->44 dropped 46 23 other malicious files 19->46 dropped 74 Antivirus detection for dropped file 19->74 76 Multi AV Scanner detection for dropped file 19->76 78 Machine Learning detection for dropped file 19->78 27 cmd.exe 1 19->27         started        80 Disable Task Manager(disabletaskmgr) 23->80 82 Disables the Windows task manager (taskmgr) 23->82 signatures11 process12 signatures13 84 Uses ping.exe to sleep 27->84 86 Drops executables to the windows directory (C:\Windows) and starts them 27->86 88 Uses ping.exe to check the status of other devices and networks 27->88 30 upfc.exe 14 23 27->30         started        34 conhost.exe 27->34         started        36 PING.EXE 1 27->36         started        38 chcp.com 1 27->38         started        process14 dnsIp15 62 369023cm.nyashmyash.top 104.21.81.246, 49712, 49713, 49714 CLOUDFLARENETUS United States 30->62 64 172.67.166.50, 49825, 49835, 49909 CLOUDFLARENETUS United States 30->64 52 C:\Users\user\Desktop\ubOfnqzj.log, PE32 30->52 dropped 54 C:\Users\user\Desktop\qtIGKcav.log, PE32 30->54 dropped 56 C:\Users\user\Desktop\qlYogtzp.log, PE32 30->56 dropped 58 18 other malicious files 30->58 dropped file16
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2024-01-29 16:20:58 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Behaviour
Modifies registry class
Modifies registry key
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
Unpacked files
SH256 hash:
e424aabc1672cb7502a9ed4c52b4dc01ecacfd94cc839362f66725bb547538dd
MD5 hash:
9bc03bc2a7019cc709aa6f75c334a00f
SHA1 hash:
7343ea00af707f0b51d9bcde853e5b14ef88bcf0
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File cn_utf8_windows_terminal
SH256 hash:
4dcb06f8c41899069775c3d54c0641c83c32e2895ca970cbe1d124f646fe7fcd
MD5 hash:
60cd306e983cdcdd76805f2bdaa6cdde
SHA1 hash:
76726d27f550e25552eee6ba1c331b941a703690
SH256 hash:
f40d98b920bdfe608a5339a3888d98892203c97efaf3316dee38ffdd172f84b2
MD5 hash:
a2a774ce788a27a6866aaa7225a55db3
SHA1 hash:
ac4e6cf7be874c35c4f339dd7aa2f96025628476
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

Comments