MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4103834242cc164c004c18caec7f96b9e21cd32e976a4c19777fea6c9039758. 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 3 File information Comments

SHA256 hash: b4103834242cc164c004c18caec7f96b9e21cd32e976a4c19777fea6c9039758
SHA3-384 hash: 12674a94d51ac501a4771208d235d62c3ced27439c00181f12ba706f153155c9876ad749e73e7bbe966beb5de342e7cd
SHA1 hash: 303df3ad7dcd16c92db3e9a6c219ba68ae3b578a
MD5 hash: 77d60690345aa72408380bd49b086c4b
humanhash: angel-king-robert-rugby
File name:77d60690345aa72408380bd49b086c4b.exe
Download: download sample
Signature DCRat
File size:1'409'485 bytes
First seen:2023-02-03 19:50:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg
Threatray 5'277 similar samples on MalwareBazaar
TLSH T1AE657C01BE40CA11F0191633C3FF465847B4AD112AA6E71B7EB937AD5522393BE1CADB
TrID 54.2% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
40.3% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
2.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.9% (.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

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77d60690345aa72408380bd49b086c4b.exe
Verdict:
Malicious activity
Analysis date:
2023-02-03 19:52:29 UTC
Tags:
n/a

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

Behaviour
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a window
Searching for the window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm dcrat greyware overlay packed packed setupapi.dll shdocvw.dll shell32.dll
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 798299 Sample: CIi1OuRCyJ.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 100 63 raw.githubusercontent.com 2->63 65 Antivirus detection for dropped file 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 5 other signatures 2->71 11 CIi1OuRCyJ.exe 3 6 2->11         started        14 HrUYFzEumADUAJOOsCOLxEuEzF.exe 2->14         started        17 System.exe 2 2->17         started        19 14 other processes 2->19 signatures3 process4 file5 59 C:\providercommon\DllCommonsvc.exe, PE32 11->59 dropped 61 C:\...\yTUdeXjbLOhnrN32dgrxVg.vbe, data 11->61 dropped 21 wscript.exe 1 11->21         started        81 Antivirus detection for dropped file 14->81 83 Machine Learning detection for dropped file 14->83 signatures6 process7 process8 23 cmd.exe 1 21->23         started        process9 25 DllCommonsvc.exe 3 12 23->25         started        29 conhost.exe 23->29         started        file10 53 C:\Recovery\HrUYFzEumADUAJOOsCOLxEuEzF.exe, PE32 25->53 dropped 55 C:\Program Files\...\System.exe, PE32 25->55 dropped 57 C:\Program Files (x86)\...\WmiPrvSE.exe, PE32 25->57 dropped 73 Antivirus detection for dropped file 25->73 75 Machine Learning detection for dropped file 25->75 77 Adds a directory exclusion to Windows Defender 25->77 79 Creates processes via WMI 25->79 31 cmd.exe 25->31         started        33 powershell.exe 19 25->33         started        35 powershell.exe 25->35         started        37 2 other processes 25->37 signatures11 process12 process13 39 conhost.exe 31->39         started        41 w32tm.exe 31->41         started        43 System.exe 31->43         started        45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        51 conhost.exe 37->51         started       
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2022-11-03 15:57:38 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63
MD5 hash:
bd31e94b4143c4ce49c17d3af46bcad0
SHA1 hash:
f8c51ff3ff909531d9469d4ba1bbabae101853ff
SH256 hash:
ced608d5f5826533e8b2df84558a3c460ba46ae716a15f99e4b4b67fbc06c106
MD5 hash:
6eb8cc11833900eae9eab4125de7dc55
SHA1 hash:
ac475d0a76ed27798bebd7b66e5801a3feac9d35
SH256 hash:
c84dea67a6c2545d557a90c1a3e0bb8f98516c839a84449fa163433a7e0de858
MD5 hash:
22258e50376579879e7a14e2e1e6e632
SHA1 hash:
020b6c495704912c8e9b149f6c0c1d11339b42fd
SH256 hash:
b4103834242cc164c004c18caec7f96b9e21cd32e976a4c19777fea6c9039758
MD5 hash:
77d60690345aa72408380bd49b086c4b
SHA1 hash:
303df3ad7dcd16c92db3e9a6c219ba68ae3b578a
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

Web download

DCRat

Executable exe b4103834242cc164c004c18caec7f96b9e21cd32e976a4c19777fea6c9039758

(this sample)

  
Delivery method
Distributed via web download

Comments