MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25d1a51f01c5d9c4f2091c5dcdcc77bca91d4fbca3c30f1c6ca64d3f7c8dd89. 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 YARA 2 File information Comments

SHA256 hash: b25d1a51f01c5d9c4f2091c5dcdcc77bca91d4fbca3c30f1c6ca64d3f7c8dd89
SHA3-384 hash: b74609146201133c0d4fdabe9f15aeef1a11091005dbe2400a018ead6c93f3d20de13f1d9ff360f918272c34b4fec0b0
SHA1 hash: 6c18fd0b383162cb9030e4b18a27ecbacd8c34d3
MD5 hash: 1578dff0667515e1f9e20fd9667b5793
humanhash: michigan-may-fifteen-spaghetti
File name:b25d1a51f01c5d9c4f2091c5dcdcc77bca91d4fbca3c30f1c6ca64d3f7c8dd89
Download: download sample
Signature DCRat
File size:620'032 bytes
First seen:2021-02-28 07:07:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bp2s8iNHtuYX212r4lkExJG5DhXec5LBBegZfxSUteQkzsmHfE/EfyJ:t2shNNuY/r8ZxJipec5t/ZfgUkDM/g
Threatray 25 similar samples on MalwareBazaar
TLSH D2D4BFE01FF9F574D78912BE7464A83C53F2D908A923C72661EAFA693CB37E1245014B
Reporter JAMESWT_WT
Tags:DCRat

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b25d1a51f01c5d9c4f2091c5dcdcc77bca91d4fbca3c30f1c6ca64d3f7c8dd89
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:53:27 UTC
Tags:
rat backdoor dcrat trojan evasion

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

Behaviour
Using the Windows Management Instrumentation requests
Creating a file
Launching a process
Creating a process from a recently created file
Sending a UDP request
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Detected VMProtect packer
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359576 Sample: OS0NuXA2Yw Startdate: 28/02/2021 Architecture: WINDOWS Score: 88 52 Multi AV Scanner detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Detected VMProtect packer 2->56 58 5 other signatures 2->58 7 OS0NuXA2Yw.exe 2 21 2->7         started        11 fontdrvhost.exe 3 2->11         started        13 sihost.exe 3 2->13         started        15 6 other processes 2->15 process3 file4 38 C:\Users\Default\...\RuntimeBroker.exe, PE32 7->38 dropped 40 C:\Recovery\csrss.exe, PE32 7->40 dropped 42 C:\ProgramData\dbg\fontdrvhost.exe, PE32 7->42 dropped 44 10 other malicious files 7->44 dropped 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->60 62 Drops PE files with benign system names 7->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->64 17 MusNotifyIcon.exe 16 2 7->17         started        20 schtasks.exe 1 7->20         started        22 schtasks.exe 1 7->22         started        24 4 other processes 7->24 66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 signatures5 process6 dnsIp7 46 188.120.248.182, 49745, 49764, 49766 THEFIRST-ASRU Russian Federation 17->46 48 ipinfo.io 216.239.34.21, 443, 49765 GOOGLEUS United States 17->48 50 192.168.2.1 unknown unknown 17->50 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 24->32         started        34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        process8
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-02-26 12:46:18 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner spyware vmprotect
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
VMProtect packed file
xmrig
Unpacked files
SH256 hash:
b25d1a51f01c5d9c4f2091c5dcdcc77bca91d4fbca3c30f1c6ca64d3f7c8dd89
MD5 hash:
1578dff0667515e1f9e20fd9667b5793
SHA1 hash:
6c18fd0b383162cb9030e4b18a27ecbacd8c34d3
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:INDICATOR_EXE_Packed_VMProtect
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information


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

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