MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e445b1166af56c2e7928d3dabc853c0cd1a4be49b62b5e2a7f27b291bc81c5c2. 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: 12


Intelligence 12 IOCs 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e445b1166af56c2e7928d3dabc853c0cd1a4be49b62b5e2a7f27b291bc81c5c2
SHA3-384 hash: 71deb698dee768b725c453ff147e2c44967936ea11b8ef1905d496bfbda213717734207e89008d4642c71e054136bb81
SHA1 hash: 991c13c75dcfe9889f05d445399f044e91ae24cb
MD5 hash: a6c97e1429ab736367260eccad5ad2cd
humanhash: tennessee-fruit-johnny-failed
File name:a6c97e1429ab736367260eccad5ad2cd.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'260'544 bytes
First seen:2022-03-15 14:11:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:FjoHyakXlz0gSwyPlU3AWek9ZTXfEpx/1bbDTnZDOjwR0vvxLv:FjoSDlSwvLfUFbf8jwR0H
Threatray 140 similar samples on MalwareBazaar
TLSH T1B04533A4C2F1151ECAFA2C3F689465FAB26E005CA4E2D1FF78F40D58A65526C131FA93
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://62.109.27.237/PythonSecure8Mariadb/2_/8wordpressPrivateSql/low/eternal/externalvmtoHttpTemp.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://62.109.27.237/PythonSecure8Mariadb/2_/8wordpressPrivateSql/low/eternal/externalvmtoHttpTemp.php https://threatfox.abuse.ch/ioc/395432/

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/250876/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Creating a file in the %temp% directory
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
Sending an HTTP GET request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed shell32.dll
Link:
https://www.filescan.io/uploads/62309ec3b94fb38cb485446a/reports/83340dfb-6772-439f-a778-6fd661099ca1/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7df4feac-6a7c-4c3c-9479-237b143143a3
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/957414
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: File Created with System Process Name
Tries to evade analysis by execution special instruction which cause usermode exception
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: 589890 Sample: U6OjUYU7c2.exe Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 16 other signatures 2->48 8 U6OjUYU7c2.exe 8 20 2->8         started        12 backgroundTaskHost.exe 3 2->12         started        14 winlogon.exe 15 2 2->14         started        17 5 other processes 2->17 process3 dnsIp4 30 C:\Windows\SysWOW64\wbem\...\WmiPrvSE.exe, PE32 8->30 dropped 32 C:\Windows\SysWOW64\...\RuntimeBroker.exe, PE32 8->32 dropped 34 C:\Program Files\...\winlogon.exe, PE32 8->34 dropped 36 6 other malicious files 8->36 dropped 52 Detected unpacking (changes PE section rights) 8->52 54 Detected unpacking (overwrites its own PE header) 8->54 56 Tries to evade analysis by execution special instruction which cause usermode exception 8->56 58 Creates processes via WMI 8->58 19 cmd.exe 1 8->19         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 38 62.109.27.237, 49758, 49761, 49762 THEFIRST-ASRU Russian Federation 14->38 40 192.168.2.1 unknown unknown 14->40 66 Hides threads from debuggers 14->66 file5 signatures6 process7 process8 21 U6OjUYU7c2.exe 2 19->21         started        24 w32tm.exe 1 19->24         started        26 conhost.exe 19->26         started        signatures9 50 Hides threads from debuggers 21->50 28 w32tm.exe 1 24->28         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e445b1166af56c2e7928d3dabc853c0cd1a4be49b62b5e2a7f27b291bc81c5c2/
Threat name:
Win32.Packed.EnigmaProtector
Create hunting rule
Status:
Malicious
First seen:
2022-03-12 02:26:44 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4rc3cftk6vwc46ji2pnlzbj4bti2jpsjwyvv4kt7e6zjdpebyxba._file
Verdict:
malicious
Similar samples:
7023f35807e56aaf88350536ca380ac137d810958d6307e29454bf5336021a78
DCRat
71840b9aa4d1868c8a090d5b591fb9df218813aad842ea42472efe65c9d5aa02
DCRat
7b21188396d28d8de129de2a44042a4d57b42afcb6fd826628e8b6637b071f89
DCRat
8f7bab9df8b75b06db3d3386c8fea2e31c3c829793e6176f54daeaff7e9654fc
DCRat
992a54c553bf5b53990d181c24b9ba44b93bc9f02f5a3d42dbf4d1e1f57ead5f
DCRat
d810072e7363c14184f61fee52b2968f7394ed84a7bb1ff52dba033b30ce17e0
DCRat
+ 130 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat suricata
Link:
https://tria.ge/reports/220315-rh2syaagej/
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 Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
DcRat
Process spawned unexpected child process
suricata: ET MALWARE DCRAT Activity (GET)
Unpacked files
SH256 hash:
e445b1166af56c2e7928d3dabc853c0cd1a4be49b62b5e2a7f27b291bc81c5c2
MD5 hash:
a6c97e1429ab736367260eccad5ad2cd
SHA1 hash:
991c13c75dcfe9889f05d445399f044e91ae24cb
Link:
https://www.unpac.me/results/36d7c2c2-5ddb-47b5-b72e-f4b1ced00422/
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/e445b1166af56c2e7928d3dabc853c0cd1a4be49b62b5e2a7f27b291bc81c5c2

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
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:MALWARE_Win_DCRat
Create hunting rule
Author:ditekSHen
Description:DCRat payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

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/250876/

Comments