MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
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SHA256 hash: 4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08
SHA3-384 hash: eeb83bbfd5ba3a3448928022fcc72185894fe4f4ee0641326b659f06ae54903fa07322110f3d5ee68c0f79f13c3256e9
SHA1 hash: 8bda9d0ba9c35ad558b991a7803c60d4bfa028db
MD5 hash: ade6b4288c88b62e4c140241b03756ed
humanhash: steak-table-november-pasta
File name:nursultanLauncher.bin
Download: download sample
Signature DCRat
Create hunting rule
File size:1'248'768 bytes
First seen:2022-07-12 09:38:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:/tcj4cMU0T9HYqX0IV0UwqoylbZoB9fzHKyinG3oqBeXPP:/tCMU6xOUMUbUzq1koqBA3
TLSH T1654533482E6A75BCED6FDBF1005F90E423C8821C97A06D0966CDF873BDF644A187E625
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4505/5/1)
8.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter KdssSupport
Tags:DCRat exe


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KdssSupport
Uploaded with API

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
nursultanLauncher.exe
Verdict:
Malicious activity
Analysis date:
2022-07-12 08:26:56 UTC
Tags:
trojan rat backdoor dcrat
Link:
https://app.any.run/tasks/b79b6b7d-b9d8-4c96-b089-1bbf2c4b51a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/286535/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
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PUA.Win.Packer.EnigmaProtector-1
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Win.Trojan.Bladabindi-9250213-0
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PUA.Win.Packer.EnigmaProtector-9852682-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed shell32.dll
Link:
https://www.filescan.io/uploads/62cd414681790e51fe5aee2a/reports/0a727990-2d05-4357-9af4-204a1a7df2d9/overview
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.
Malware family:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59b67331-53a2-4866-8297-14712d918d12
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1029307
Signature
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 661798 Sample: nursultanLauncher.bin Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 8 other signatures 2->43 8 nursultanLauncher.exe 4 12 2->8         started        12 winlogon.exe 3 2->12         started        14 Memory Compression.exe 2 2->14         started        16 8 other processes 2->16 process3 file4 29 C:\Users\Default\Videos\winlogon.exe, PE32 8->29 dropped 31 C:\Users\Default\...\Memory Compression.exe, PE32 8->31 dropped 33 C:\Users\user\...\nursultanLauncher.exe.log, ASCII 8->33 dropped 35 2 other malicious files 8->35 dropped 47 Detected unpacking (changes PE section rights) 8->47 49 Detected unpacking (overwrites its own PE header) 8->49 51 Creates processes via WMI 8->51 18 cmd.exe 1 8->18         started        53 Multi AV Scanner detection for dropped file 12->53 55 Machine Learning detection for dropped file 12->55 57 Hides threads from debuggers 12->57 signatures5 process6 process7 20 Memory Compression.exe 2 18->20         started        23 w32tm.exe 1 18->23         started        25 conhost.exe 18->25         started        signatures8 45 Hides threads from debuggers 20->45 27 w32tm.exe 1 23->27         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08/
Threat name:
Win32.Downloader.Krocomain
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 17:45:00 UTC
File Type:
PE (Exe)
AV detection:
22 of 26 (84.62%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpe44qmt4p4fdwzz7bw6taaeylieehmj7z4bedkcfjsigy5c5mea._file
Verdict:
malicious
Result
Malware family:
dcrat
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Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/220712-lmlpmafcd9/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08
MD5 hash:
ade6b4288c88b62e4c140241b03756ed
SHA1 hash:
8bda9d0ba9c35ad558b991a7803c60d4bfa028db
Link:
https://www.unpac.me/results/48f2167e-8f80-4922-9344-717911cff075/
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/4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08

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:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:MALWARE_Win_DCRat
Create hunting rule
Author:ditekSHen
Description:DCRat payload
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
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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

File information

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

Web download

DCRat

Executable exe 4bc9ce4193e3f851db39f86de98004c2d0421d89fe78120d422a648363a2eb08

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/286535/

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