MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 98d24f5a424b0b6d463d945404fa14ca7f8c2db3ecdd3defc2eeddbbcdc10f70. 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
| SHA256 hash: | 98d24f5a424b0b6d463d945404fa14ca7f8c2db3ecdd3defc2eeddbbcdc10f70 |
|---|---|
| SHA3-384 hash: | 91c0d36e6ef15f8ab1b884644116fd822f06352debfb3d5137dd71276be3e0cbb81811a4a1ae9edbc5820747763df483 |
| SHA1 hash: | 1e719cb3568a7f7c2355b5a1be5e5e79673d3dd7 |
| MD5 hash: | 4f962a9cdf9c65b4044843011ffb2d50 |
| humanhash: | december-nine-missouri-echo |
| File name: | YammiLoader.exe |
| Download: | download sample |
| Signature | DCRat |
| File size: | 2'390'016 bytes |
| First seen: | 2022-04-18 14:15:41 UTC |
| Last seen: | 2022-04-20 10:21:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer) |
| ssdeep | 49152:VavxXPJQtSMs0TmEbuHqUk3PzENrFIdteE1ZF0zQMDVN/7sWHIsnByW1E9hp:olPJLJEbuHrIPGFI620zQYRVIsn4W1El |
| Threatray | 1'088 similar samples on MalwareBazaar |
| TLSH | T1A7B5335A48B96EEDEBC178B38F902D443049EAFE554AB85EF9FF950118EEC341F21904 |
| TrID | 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 22.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 20.3% (.EXE) Win32 Executable (generic) (4505/5/1) 9.1% (.EXE) OS/2 Executable (generic) (2029/13) 9.0% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter | Anonymous |
| Tags: | DCRat exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://89.107.10.225/RequestbasetestDatalife.php | https://threatfox.abuse.ch/ioc/520923/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
ID:
1
File name:
YammiLoader.exe
Verdict:
Malicious activity
Analysis date:
2022-04-18 14:05:51 UTC
Tags:
trojan rat backdoor dcrat stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
dcrat enigma packed zpevdo
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
Result
Threat name:
DCRat
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Drops PE files with benign system names
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 has nameless sections
Sigma detected: File Created with System Process Name
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected DCRat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.DCRat
Status:
Malicious
First seen:
2022-04-17 10:41:49 UTC
File Type:
PE (Exe)
AV detection:
31 of 39 (79.49%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'078 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Score:
10/10
Tags:
family:dcrat infostealer persistence rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
suricata: ET MALWARE DCRAT Activity (GET)
Unpacked files
SH256 hash:
98d24f5a424b0b6d463d945404fa14ca7f8c2db3ecdd3defc2eeddbbcdc10f70
MD5 hash:
4f962a9cdf9c65b4044843011ffb2d50
SHA1 hash:
1e719cb3568a7f7c2355b5a1be5e5e79673d3dd7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Enigma packer stub. |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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