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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a86c7fe0c87645255b7e4b488923effe81cc746074e341df7d54fc79ae4e6a5. 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: 7


Intelligence 7 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a86c7fe0c87645255b7e4b488923effe81cc746074e341df7d54fc79ae4e6a5
SHA3-384 hash: d1d8e5e06863edd9115752c1baf47c2e05f4c0247be2c5a21617ee9ca6dfd59a5c709f121a9175e2d6f98902a8bb1859
SHA1 hash: 42ee3e72b59eb557d7ac514154d48898191ed0f5
MD5 hash: aafc3c89ab0b115092416160141397f3
humanhash: fix-jersey-beryllium-nebraska
File name:AAFC3C89AB0B115092416160141397F3.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'066'639 bytes
First seen:2021-07-17 10:11:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (924 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:O2G/nvxW3WhygXF+OtAZ+wbV+ugX9HY/j/pFnVyWwpxp:ObA3cy2MKglpA
TLSH T1C8355C243EE95035F17BAF7895F4799A9B3EB6623713D94E01A103890A23B41DDD0B3B
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://80.87.201.58/JavascriptJs.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://80.87.201.58/JavascriptJs.php https://threatfox.abuse.ch/ioc/160883/

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.sendspace.com/file/ohlpen
Verdict:
Malicious activity
Analysis date:
2021-07-13 13:39:46 UTC
Tags:
evasion stealer trojan rat backdoor dcrat
Link:
https://app.any.run/tasks/3a4b4936-2635-4b0c-993a-08d8c116bf2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172330/
Detection(s):
ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Win.Malware.Qshell-9875653-0
Create hunting rule

Win.Packed.Basic-9876200-0
Create hunting rule

Win.Packed.Uztuby-9853721-0
Create hunting rule

Win.Packed.Uztuby-9864800-0
Create hunting rule

Win.Packed.Uztuby-9869253-0
Create hunting rule

Win.Packed.Uztuby-9873584-0
Create hunting rule

Win.Ransomware.Clinix-9868408-0
Create hunting rule

Win.Trojan.Uztuby-9855059-0
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d296f30c-4c5b-4a8e-a28f-333647557f36
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817803
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Detected unpacking (overwrites its own PE header)
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
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)
Sigma detected: Schedule system process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 450214 Sample: biwmCAe6JE.exe Startdate: 17/07/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 9 other signatures 2->58 10 biwmCAe6JE.exe 3 6 2->10         started        13 winHostdllCommonRefNet.exe 2 2->13         started        process3 file4 50 C:\...\winHostdllCommonRefNet.exe, PE32 10->50 dropped 16 wscript.exe 1 10->16         started        68 Multi AV Scanner detection for dropped file 13->68 70 Detected unpacking (overwrites its own PE header) 13->70 72 Machine Learning detection for dropped file 13->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->74 signatures5 process6 process7 18 cmd.exe 1 16->18         started        process8 20 winHostdllCommonRefNet.exe 1 14 18->20         started        24 conhost.exe 18->24         started        file9 42 C:\Windows\System32\eudcedit\conhost.exe, PE32 20->42 dropped 44 C:\Windows\System32\WsmWmiPl\conhost.exe, PE32 20->44 dropped 46 C:\PerfLogs\winHostdllCommonRefNet.exe, PE32 20->46 dropped 48 C:\MSOCache\...\backgroundTaskHost.exe, PE32 20->48 dropped 60 Multi AV Scanner detection for dropped file 20->60 62 Detected unpacking (overwrites its own PE header) 20->62 64 Machine Learning detection for dropped file 20->64 66 3 other signatures 20->66 26 schtasks.exe 1 20->26         started        28 schtasks.exe 1 20->28         started        30 schtasks.exe 1 20->30         started        32 2 other processes 20->32 signatures10 process11 process12 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        40 conhost.exe 32->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a86c7fe0c87645255b7e4b488923effe81cc746074e341df7d54fc79ae4e6a5/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2021-07-14 15:14:46 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkdmp7qmq5sfevnx4s2irer677ubzr2ga5hdihpx2vh4pgxe42sq._file
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat spyware stealer
Link:
https://tria.ge/reports/210717-418dydaz8j/
Behaviour
Creates scheduled task(s)
Modifies registry class
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 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:
a761ea323adc2190690281429471f689fe035b41b137a193a5d66dae5a368d9b
MD5 hash:
fbcc49725fa48c5648a55377daff5a94
SHA1 hash:
9613050166f36b5842cca2daaa942d7c43b00554
Link:
https://www.unpac.me/results/3c7fb861-7259-4ea0-b50c-ac1d2273f24d/
SH256 hash:
535ddce4e3799f367ed3e3ef2dcd92d904dab3a027ae218ced78cc02078d8fc6
MD5 hash:
32bf18273448e674a3acf2fe909c4510
SHA1 hash:
80b181437fec175f0ab8fdb289e346ffa180888e
Link:
https://www.unpac.me/results/3c7fb861-7259-4ea0-b50c-ac1d2273f24d/
SH256 hash:
4a86c7fe0c87645255b7e4b488923effe81cc746074e341df7d54fc79ae4e6a5
MD5 hash:
aafc3c89ab0b115092416160141397f3
SHA1 hash:
42ee3e72b59eb557d7ac514154d48898191ed0f5
Link:
https://www.unpac.me/results/3c7fb861-7259-4ea0-b50c-ac1d2273f24d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4a86c7fe0c87645255b7e4b488923effe81cc746074e341df7d54fc79ae4e6a5

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_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT

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/172330/

Comments