MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f10cb978b6b7ba34ed3fa02f6df5dc472e3737cb1dbf44371bec37c6543ad23. 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: 9


Intelligence 9 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f10cb978b6b7ba34ed3fa02f6df5dc472e3737cb1dbf44371bec37c6543ad23
SHA3-384 hash: f8a23bd0421f649e164999111e2258ee724bcbdb3fdf1c569032fd6693355a58655e1d04c6397f3d0dc6f471d1c7dba2
SHA1 hash: e31a6ff89e03ee8ac60280439f39669a974a33c9
MD5 hash: 44393e62ddd9df7ae42f2e91fb44566a
humanhash: xray-stream-fifteen-table
File name:8F10CB978B6B7BA34ED3FA02F6DF5DC472E3737CB1DBF.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'747'968 bytes
First seen:2022-03-07 17:56:13 UTC
Last seen:2022-03-07 19:37:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 49152:8KRs0fMtaiL//RtFK90PyYXBipfDOD6P2hLsrbvtNoX:X1i//9K2PyYKff/7tNoX
TLSH T1C18533A4125EAF07D7B191F9FCF11CC82B9B295740A410BD9114E7CB913CABB4287BB8
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://83.136.232.25/tarkov/update/pipepollhttp.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://83.136.232.25/tarkov/update/pipepollhttp.php https://threatfox.abuse.ch/ioc/392857/

Intelligence

File Origin
# of uploads :
2
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/247978/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Launching a service
Searching for synchronization primitives
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
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/1c110757-260e-43d6-bd2e-c1ad8dd51182
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/952032
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Hides threads from debuggers
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
PE file contains section with special chars
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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: File Created with System Process Name
Tries to evade analysis by execution special instruction which cause usermode exception
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: 584513 Sample: 8F10CB978B6B7BA34ED3FA02F6D... Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 42 Antivirus detection for URL or domain 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 13 other signatures 2->48 8 8F10CB978B6B7BA34ED3FA02F6DF5DC472E3737CB1DBF.exe 8 23 2->8         started        12 wNbDCJxyRSRt.exe 3 2->12         started        14 wNbDCJxyRSRt.exe 15 2 2->14         started        17 6 other processes 2->17 process3 dnsIp4 30 C:\Windows\...\wNbDCJxyRSRt.exe, PE32 8->30 dropped 32 C:\Windows\SysWOW64\KBDIC\winlogon.exe, PE32 8->32 dropped 34 C:\Windows\SysWOW64\...\smartscreen.exe, PE32 8->34 dropped 36 8 other malicious files 8->36 dropped 52 Detected unpacking (changes PE section rights) 8->52 54 Detected unpacking (overwrites its own PE header) 8->54 56 Tries to evade analysis by execution special instruction which cause usermode exception 8->56 58 Creates processes via WMI 8->58 19 cmd.exe 1 8->19         started        60 Multi AV Scanner detection for dropped file 12->60 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->62 64 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 12->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->66 38 83.136.232.25, 49761, 49763, 49765 MTR-SVIAZ-ASRU Russian Federation 14->38 40 192.168.2.1 unknown unknown 14->40 68 Hides threads from debuggers 14->68 file5 signatures6 process7 process8 21 backgroundTaskHost.exe 2 19->21         started        24 w32tm.exe 1 19->24         started        26 conhost.exe 19->26         started        signatures9 50 Hides threads from debuggers 21->50 28 w32tm.exe 1 24->28         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f10cb978b6b7ba34ed3fa02f6df5dc472e3737cb1dbf44371bec37c6543ad23/
Threat name:
ByteCode-MSIL.Trojan.Dothetuk
Create hunting rule
Status:
Malicious
First seen:
2022-01-30 05:42:11 UTC
File Type:
PE (Exe)
AV detection:
26 of 42 (61.90%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4imxf4lnn52gtwt7ibpnx25yrzog434whn7iq3rx3bxyzkdvurq._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat
Link:
https://tria.ge/reports/220307-wjlwbsffb9/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
8f10cb978b6b7ba34ed3fa02f6df5dc472e3737cb1dbf44371bec37c6543ad23
MD5 hash:
44393e62ddd9df7ae42f2e91fb44566a
SHA1 hash:
e31a6ff89e03ee8ac60280439f39669a974a33c9
Link:
https://www.unpac.me/results/dbc2449b-6627-4dfb-980b-93364493e2a3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f10cb978b6b7ba34ed3fa02f6df5dc472e3737cb1dbf44371bec37c6543ad23

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

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/247978/

Comments