MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4c62f1bb28e7734697495b0125bcf943c6f528c297fa904865e58165e030a2a. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: f4c62f1bb28e7734697495b0125bcf943c6f528c297fa904865e58165e030a2a
SHA3-384 hash: 77ed4d25e23bd30bc40f227dda603c4c2a57d26009d73d790d12e16e2776a1b351e18ec3eae060ba153ec251a115b3f7
SHA1 hash: 03b420fd1b1cc699a5786f9f0b9b75ca43f13006
MD5 hash: 7a7c5784b527254322b6ce96f483ed02
humanhash: lima-colorado-lamp-venus
File name:7a7.exe
Download: download sample
Signature DCRat
File size:1'469'952 bytes
First seen:2021-07-14 14:51:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:8VIxp6EtJICO2yzHnITYQ/qoYIilu0DefrTwbF+m+NarzLsnE/Ha34+4:P6Qm2yz/oYU7wwm17s8Hyb
Threatray 80 similar samples on MalwareBazaar
TLSH T142655A027A84FD05E0295637C9EF442847A8FD4A3B62DB1B7E9F339C60553A75D0E1CA
Reporter 0x746f6d6669
Tags:DCRat exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7a7.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 14:57:31 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
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 submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive USB information (via WMI, WIN32_USBHUB, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Schedule system process
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448728 Sample: 7a7.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected DCRat 2->55 57 12 other signatures 2->57 7 7a7.exe 1 21 2->7         started        11 7a7.exe 17 13 2->11         started        14 WmiPrvSE.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 37 C:\Windows\System32\wbem\...\WmiPrvSE.exe, PE32 7->37 dropped 39 C:\Windows\System32\...\dllhost.exe, PE32 7->39 dropped 41 C:\Windows\ShellExperiences\WmiPrvSE.exe, PE32 7->41 dropped 43 8 other malicious files 7->43 dropped 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->67 18 mbDWYWYGUdcnaJbnLQvefXfjy.exe 7->18         started        21 schtasks.exe 1 7->21         started        23 schtasks.exe 1 7->23         started        25 3 other processes 7->25 45 92.63.100.160, 49713, 49720, 49722 THEFIRST-ASRU Russian Federation 11->45 47 78.210.14.0.in-addr.arpa 11->47 49 3 other IPs or domains 11->49 69 Protects its processes via BreakOnTermination flag 11->69 71 Tries to harvest and steal browser information (history, passwords, etc) 11->71 73 Machine Learning detection for dropped file 14->73 file5 signatures6 process7 signatures8 59 Machine Learning detection for dropped file 18->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->61 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        process9
Threat name:
ByteCode-MSIL.Trojan.SpyNoon
Status:
Malicious
First seen:
2021-07-14 14:52:05 UTC
AV detection:
23 of 46 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
DCRat Payload
DcRat
Unpacked files
SH256 hash:
f4c62f1bb28e7734697495b0125bcf943c6f528c297fa904865e58165e030a2a
MD5 hash:
7a7c5784b527254322b6ce96f483ed02
SHA1 hash:
03b420fd1b1cc699a5786f9f0b9b75ca43f13006
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: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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