MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a2ca0027527f9c95ae338ad7eec0f9a71f07ff24f2d0af818aecc840f631b0d. 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 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a2ca0027527f9c95ae338ad7eec0f9a71f07ff24f2d0af818aecc840f631b0d
SHA3-384 hash: c1d1309c3b63426dad5c589c8655bdb7c9b128d9c4bad769a756490230450026ed67925ecf5d859b0cff73ebdf22ae5f
SHA1 hash: 223a6724b782409dec9ad3030275d7beb972d39e
MD5 hash: ed6b760928d4f1a1f86e96e1aa77cb99
humanhash: iowa-comet-nineteen-mars
File name:file
Download: download sample
Signature DCRat
Create hunting rule
File size:1'956'874 bytes
First seen:2022-12-19 22:23:30 UTC
Last seen:2022-12-20 02:24:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:8bA3leuusP5Xuuc79ViJs+h6UWcrPtaC+WOD8m:8biXrc7XiJLh6xcr1v+H4m
Threatray 1'553 similar samples on MalwareBazaar
TLSH T181952303BD81D9B2C6221A376615ABA1247CBD201F18DFEFE7E4595DE8301E1EB30997
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter andretavare5
Tags:DCRat exe


Avatar
andretavare5
Sample downloaded from https://vk.com/doc16081047_653361292?hash=rLwHzlIZ68JqWClqgwPtlV1nOZiVg3jjA25Rn4BhcIw&dl=GE3DAOBRGA2DO:1671480057:nL0IWYrEBlbiPSZQqZg6Zz68UPQur2jsozzakzoaumo&api=1&no_preview=1#dw1401

Intelligence

File Origin
# of uploads :
4
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-19 22:26:42 UTC
Tags:
trojan rat backdoor dcrat evasion
Link:
https://app.any.run/tasks/78772e07-745d-4e76-b6bf-1014750dbc41

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/348139/
Detection(s):
Win.Trojan.DarkKomet-9976182-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process from a recently created file
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
darkkomet greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/63a0e484f1231afafd5c4bee/reports/0ca1950b-bb8b-40d7-9dd6-0f51d606d5a1/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f675904a-809f-4131-96b7-3122f6e128b5
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1137550
Signature
Antivirus detection for dropped file
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Hides threads from debuggers
Machine Learning detection for dropped file
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
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 770280 Sample: file.exe Startdate: 19/12/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 7 other signatures 2->56 10 file.exe 13 2->10         started        13 XxtUYqhtzEfnJvoWWL.exe 2->13         started        16 WmiPrvSE.exe 2 2->16         started        18 30 other processes 2->18 process3 file4 40 C:\Users\user\AppData\Local\Temp\...\work.exe, PE32 10->40 dropped 20 cmd.exe 1 10->20         started        60 Antivirus detection for dropped file 13->60 62 Multi AV Scanner detection for dropped file 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 Machine Learning detection for dropped file 13->66 68 Hides threads from debuggers 16->68 signatures5 process6 process7 22 work.exe 9 20->22         started        26 conhost.exe 20->26         started        file8 38 C:\Users\user\AppData\Local\Temp\...\fesg.exe, PE32 22->38 dropped 58 Multi AV Scanner detection for dropped file 22->58 28 fesg.exe 4 24 22->28         started        signatures9 process10 file11 42 C:\Users\Public\Videos\fesg.exe, PE32 28->42 dropped 44 C:\Users\Default\...\backgroundTaskHost.exe, PE32 28->44 dropped 46 C:\Users\Default\AppData\Local\...\fesg.exe, PE32 28->46 dropped 48 6 other malicious files 28->48 dropped 70 Antivirus detection for dropped file 28->70 72 Multi AV Scanner detection for dropped file 28->72 74 Detected unpacking (changes PE section rights) 28->74 76 5 other signatures 28->76 32 cmd.exe 28->32         started        signatures12 process13 process14 34 conhost.exe 32->34         started        36 w32tm.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a2ca0027527f9c95ae338ad7eec0f9a71f07ff24f2d0af818aecc840f631b0d/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-12-19 21:23:44 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=riwkaatve744swxdhcwx53aptjy7a77sj4wqv6ayv3giid3ddmgq._file
Verdict:
malicious
Similar samples:
07aa701aa9a0d572db1b8b9d9b3ea748c5d62aa88efa13019bf9aa45c9063f5d
DCRat
1c54dab51cc49a362ee782e520421c8df50764214b2a5ca6122161db49a749fc
DCRat
49cfe3e8ec06fb6fc1616f2113eec3aed85ec58a24798690a493a23d0a85f7b0
DCRat
8e8a01dc98efc4c5d9fb61620f75b9c0886bc45dbfcf934f1601b75a3629d0fc
DCRat
9b11f492bef0bb3bdd6346be20c9140b61177f2e6b91e5cacb3a0796b1d88ce2
DCRat
a454474fb1554dffcc0a8a7afe33c4c87243d6a7a1928a64388187fb7244095f
DCRat
b8d10ef7d3a396ca44b2070dd56e66ccd90f942dfd425452fcb96b04113596ff
DCRat
d38dd0f96eba456e9decc1d81668b3b0164d890eb91dd3b0944aff1059e8e7db
DCRat
f67b08acb8ae930c53b21771a17f4e28b528eb31a70781cbdce31fef6c97b00a
DCRat
+ 1'543 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/221219-2bdgwabd51/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e5d26e60-26a9-4e98-b7db-3bd200eed695
Unpacked files
SH256 hash:
8a2ca0027527f9c95ae338ad7eec0f9a71f07ff24f2d0af818aecc840f631b0d
MD5 hash:
ed6b760928d4f1a1f86e96e1aa77cb99
SHA1 hash:
223a6724b782409dec9ad3030275d7beb972d39e
Link:
https://www.unpac.me/results/231c36f5-77c6-4144-bed9-ecd2e3bc319b/
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/8a2ca0027527f9c95ae338ad7eec0f9a71f07ff24f2d0af818aecc840f631b0d

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/348139/

Comments