MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f. 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 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f
SHA3-384 hash: da72c3ab53f51d444e1fbf5db8fb0ce106c3c97621bcc6d7f52f7cad9e9e08f3f7c60b86649ff09e827d775cad13f984
SHA1 hash: c960d364908444ec51598917951f045e32a16657
MD5 hash: 2b7acf39186ebd5343bac84ba53dc078
humanhash: undress-juliet-fillet-magnesium
File name:2b7acf39186ebd5343bac84ba53dc078
Download: download sample
Signature DCRat
Create hunting rule
File size:4'389'656 bytes
First seen:2023-07-04 03:15:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:fhO2Dhr5WJkindZOFoq0uQzuSx/4VQwiWSV5mjRfROFewp7bAC2U9pxbmqmWAnuj:fhOiOkiHm0PzuSx/4VQwW
TLSH T1B0167D53B68786E1D0461B76E5AA382D3770F59367D3E919368E33080E47BB65A0CE0F
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 595979e4d0d0d0d4 (1 x DCRat, 1 x Floxif)
Reporter zbetcheckin
Tags:32 DCRat exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.HEUR.Trojan-Downloader.MSIL.Agent.gen.26726.31191
Verdict:
Malicious activity
Analysis date:
2023-07-03 20:31:33 UTC
Tags:
opendir loader
Link:
https://app.any.run/tasks/0d9e580a-d9b9-4f3d-b60d-4429a801a7b9

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/406233/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Launching many processes
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control hacktool lolbin overlay packed replace stealer
Link:
https://www.filescan.io/uploads/64a38ef251710bcd8d441569/reports/11684a67-c02e-4a1f-8653-e84f548cf159/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/43519920-95d7-464a-be60-c630e305b965
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266317
Signature
Creates processes via WMI
Drops PE files to the user root directory
Drops PE files with benign system names
Drops VBS files to the startup folder
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected DCRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266317 Sample: u1d8tZldbj.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 8 other signatures 2->63 7 u1d8tZldbj.exe 6 2->7         started        11 wscript.exe 1 2->11         started        13 Idle.exe 2->13         started        15 29 other processes 2->15 process3 file4 41 C:\Users\user\AppData\...\winstartuped.exe, PE32 7->41 dropped 43 C:\Users\...\winstartuped.exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\user\AppData\...\winstartuped.vbs, ASCII 7->45 dropped 47 C:\Users\user\AppData\...\u1d8tZldbj.exe.log, ASCII 7->47 dropped 71 Drops VBS files to the startup folder 7->71 73 Drops PE files to the user root directory 7->73 75 Creates processes via WMI 7->75 79 2 other signatures 7->79 17 u1d8tZldbj.exe 25 7->17         started        20 winstartuped.exe 11->20         started        77 Multi AV Scanner detection for dropped file 13->77 23 HZfnyIBLMmj.exe 15->23         started        signatures5 process6 file7 33 C:\Users\Default\Idle.exe, PE32 17->33 dropped 35 C:\Recovery\services.exe, PE32 17->35 dropped 37 C:\Recovery\HZfnyIBLMmj.exe, PE32 17->37 dropped 39 5 other malicious files 17->39 dropped 25 HZfnyIBLMmj.exe 17->25         started        65 Multi AV Scanner detection for dropped file 20->65 67 Creates processes via WMI 20->67 69 Injects a PE file into a foreign processes 20->69 28 winstartuped.exe 20->28         started        31 winstartuped.exe 20->31         started        signatures8 process9 file10 81 Injects a PE file into a foreign processes 25->81 49 C:\Windows\Temp\HZfnyIBLMmj.exe, PE32 28->49 dropped 51 C:\Windows\PCHEALTH\...\HZfnyIBLMmj.exe, PE32 28->51 dropped 53 C:\Windows\PCHEALTH\...\HZfnyIBLMmj.exe, PE32 28->53 dropped 55 11 other malicious files 28->55 dropped signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-07-04 02:42:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xct2tcxrvdceptibognnsipwiw7vn4ut7n7pvm2fq5g4nicplf7q._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat spyware stealer
Link:
https://tria.ge/reports/230704-dsf3bscd5t/
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
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
270e4c9c272e76b067e85727fbd871ff65edc0ef837a9b80cfed84252203ffbd
MD5 hash:
c9618d3d5ba243b024fe41223ef625be
SHA1 hash:
626d260a95fbf0b8b2ace91b64d0c7aa294616bf
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
e16d31256434834519f0fc54095f9a5e03700adaba2e51a75dad1ab581441323
MD5 hash:
1edd3839f47ae345890b4dc71ba6cfe5
SHA1 hash:
0b6593476cd3f7a7292c1e5f63e137aebb147708
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
09bdb3189a4ab77ca44d3a931bbc1f3eff10bef94be0f1739b324acb22896f35
MD5 hash:
338bfe0f0ed7a9678356af07013dd2d5
SHA1 hash:
e49abe1fbb108e83472059af40eb83ec756e451b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
3cb97fbe5d22d87f86654a986a94ceb2b39866d166af47a9e7bb4b5fcfe7437e
MD5 hash:
1d78401ed006fc7451547b56ba34f298
SHA1 hash:
25c774c10bb80000cdcd554735864a28d5f1e54b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
5d09af5081a2168cfc2e31ef7421f1c3c55be1b39de74b73102b1e70c59d1f49
MD5 hash:
c21a0f922a4f1f974aa75c02aa6bed7b
SHA1 hash:
248aabc2991640291ab19fc2a22a564b802b4cf6
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
270e4c9c272e76b067e85727fbd871ff65edc0ef837a9b80cfed84252203ffbd
MD5 hash:
c9618d3d5ba243b024fe41223ef625be
SHA1 hash:
626d260a95fbf0b8b2ace91b64d0c7aa294616bf
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
320184e91d9a7fcda81138a6cb5ff56f6f2b9958e21d2b2dcd9adc57af9e17ee
MD5 hash:
7f606319ceefa1916b799b0252de1fc5
SHA1 hash:
012c18e2615d1fdfd3fe905d69a086d4f4f8edb7
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
e16d31256434834519f0fc54095f9a5e03700adaba2e51a75dad1ab581441323
MD5 hash:
1edd3839f47ae345890b4dc71ba6cfe5
SHA1 hash:
0b6593476cd3f7a7292c1e5f63e137aebb147708
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
09bdb3189a4ab77ca44d3a931bbc1f3eff10bef94be0f1739b324acb22896f35
MD5 hash:
338bfe0f0ed7a9678356af07013dd2d5
SHA1 hash:
e49abe1fbb108e83472059af40eb83ec756e451b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
3cb97fbe5d22d87f86654a986a94ceb2b39866d166af47a9e7bb4b5fcfe7437e
MD5 hash:
1d78401ed006fc7451547b56ba34f298
SHA1 hash:
25c774c10bb80000cdcd554735864a28d5f1e54b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
5d09af5081a2168cfc2e31ef7421f1c3c55be1b39de74b73102b1e70c59d1f49
MD5 hash:
c21a0f922a4f1f974aa75c02aa6bed7b
SHA1 hash:
248aabc2991640291ab19fc2a22a564b802b4cf6
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
320184e91d9a7fcda81138a6cb5ff56f6f2b9958e21d2b2dcd9adc57af9e17ee
MD5 hash:
7f606319ceefa1916b799b0252de1fc5
SHA1 hash:
012c18e2615d1fdfd3fe905d69a086d4f4f8edb7
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
270e4c9c272e76b067e85727fbd871ff65edc0ef837a9b80cfed84252203ffbd
MD5 hash:
c9618d3d5ba243b024fe41223ef625be
SHA1 hash:
626d260a95fbf0b8b2ace91b64d0c7aa294616bf
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
e16d31256434834519f0fc54095f9a5e03700adaba2e51a75dad1ab581441323
MD5 hash:
1edd3839f47ae345890b4dc71ba6cfe5
SHA1 hash:
0b6593476cd3f7a7292c1e5f63e137aebb147708
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
09bdb3189a4ab77ca44d3a931bbc1f3eff10bef94be0f1739b324acb22896f35
MD5 hash:
338bfe0f0ed7a9678356af07013dd2d5
SHA1 hash:
e49abe1fbb108e83472059af40eb83ec756e451b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
3cb97fbe5d22d87f86654a986a94ceb2b39866d166af47a9e7bb4b5fcfe7437e
MD5 hash:
1d78401ed006fc7451547b56ba34f298
SHA1 hash:
25c774c10bb80000cdcd554735864a28d5f1e54b
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
5d09af5081a2168cfc2e31ef7421f1c3c55be1b39de74b73102b1e70c59d1f49
MD5 hash:
c21a0f922a4f1f974aa75c02aa6bed7b
SHA1 hash:
248aabc2991640291ab19fc2a22a564b802b4cf6
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
320184e91d9a7fcda81138a6cb5ff56f6f2b9958e21d2b2dcd9adc57af9e17ee
MD5 hash:
7f606319ceefa1916b799b0252de1fc5
SHA1 hash:
012c18e2615d1fdfd3fe905d69a086d4f4f8edb7
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
SH256 hash:
b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f
MD5 hash:
2b7acf39186ebd5343bac84ba53dc078
SHA1 hash:
c960d364908444ec51598917951f045e32a16657
Link:
https://www.unpac.me/results/e5c44f1c-e7df-4020-8a71-a8a61290556e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8a7a98af1a8/report/overview.html
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:DCRat
Create hunting rule
Author:Nikolaos 'n0t' Totosis
Description:DCRat Payload
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Web download

DCRat

Executable exe b8a7a98af1a8c447cd01719ad921f645bf56f293fb7efab345874dc6a04f597f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/406233/
  
URLhaus
https://urlhaus.abuse.ch/url/2676236/

Comments


Avatar
zbet commented on 2023-07-04 03:15:35 UTC

url : hxxp://23.137.249.127/ddw23/Ozgkdiw.exe