MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029
SHA3-384 hash: 22428a404b4bfcdcb8cabbe454fcad7ba371822b9d144e7c2494b84c9f2a6ac20c516c7fa2cbdc7fcda572847207804f
SHA1 hash: 23ee937bb616025ae0185c98ab183e9282c525da
MD5 hash: 45ad397238e5e447aef495a80218019a
humanhash: arizona-avocado-low-queen
File name:a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029
Download: download sample
Signature DCRat
Create hunting rule
File size:2'045'952 bytes
First seen:2023-01-11 11:49:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:dndSiKG7Idc6Rm8sDJMSgkdEiVTpnjyv:dhURm8vSFVov
TLSH T10F95BF01BE44CE11F0881A37D3EF45584BB0A9916AA6E31B7DBE376D16123A73C1D9CB
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter adrian__luca
Tags:DCRat exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
190
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029
Verdict:
No threats detected
Analysis date:
2023-01-11 11:46:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/51e219ee-b730-4932-be0d-e2e594d77bd8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DCRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/351913/
Detection(s):
Win.Packed.Basic-9952747-0
Create hunting rule

Win.Malware.Uztuby-9957322-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe cscript.exe dcrat explorer.exe hacktool obfuscated packed schtasks.exe
Link:
https://www.filescan.io/uploads/63bea22fa70bef46551e9376/reports/d638dd95-420a-42d9-8bcf-572c7f2d274d/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90e912a0-31d9-4e29-b53f-c828267bbcd6
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1149547
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 782279 Sample: zIb09F9MW7.exe Startdate: 11/01/2023 Architecture: WINDOWS Score: 100 59 ipinfo.io 2->59 61 api.telegram.org 2->61 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 11 other signatures 2->69 8 zIb09F9MW7.exe 4 18 2->8         started        12 winlogon.exe 2->12         started        14 dllhost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 file5 47 C:\Users\user\Desktop\zIb09F9MW7.exe (copy), PE32 8->47 dropped 49 C:\Users\user\Desktop\RCX32C2.tmp, PE32 8->49 dropped 51 C:\Users\user\Desktop\RCX2F46.tmp, PE32 8->51 dropped 53 11 other malicious files 8->53 dropped 71 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->71 73 Adds a directory exclusion to Windows Defender 8->73 75 Creates processes via WMI 8->75 18 cmd.exe 8->18         started        20 powershell.exe 17 8->20         started        22 powershell.exe 17 8->22         started        26 10 other processes 8->26 77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 24 conhost.exe 16->24         started        signatures6 process7 process8 28 dllhost.exe 18->28         started        31 conhost.exe 18->31         started        33 w32tm.exe 18->33         started        35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        39 conhost.exe 26->39         started        41 conhost.exe 26->41         started        43 conhost.exe 26->43         started        45 7 other processes 26->45 file9 55 19eaffa5f2613ce7a1...3a136e7f4723deb.exe, PE32 28->55 dropped 57 19eaffa5f2613ce7a1...exe:Zone.Identifier, ASCII 28->57 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2022-12-26 16:04:57 UTC
File Type:
PE (.Net Exe)
AV detection:
31 of 41 (75.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u56itnwusyn3k3ctdftil3mxwapx4spvmbxbloaluabu4qrlcauq._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/230111-ny1c9sfh2t/
Behaviour
Suspicious use of AdjustPrivilegeToken
DCRat payload
DcRat
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b125e2a-9fbe-420e-995c-199d601f1a26
Unpacked files
SH256 hash:
c09d7b1ecf9dd4917c8f081132ac5c533bc326959505d7364aa546d4822e5c9c
MD5 hash:
60b6a611559a27f113b51c76733f26d0
SHA1 hash:
6dc70a539f0d1c8b9a84edef26c2bdf82bbfa098
Link:
https://www.unpac.me/results/b8e26985-52e1-4229-b106-f198614a6994/
SH256 hash:
a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029
MD5 hash:
45ad397238e5e447aef495a80218019a
SHA1 hash:
23ee937bb616025ae0185c98ab183e9282c525da
Link:
https://www.unpac.me/results/b8e26985-52e1-4229-b106-f198614a6994/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a77c89b6d496/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/a77c89b6d4961bb56c53196685ed97b01f7e49f5606e15b80ba0034e422b1029

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:NETDIC208_NOCEX_NOREACTOR
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/351913/

Comments