MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments
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SHA256 hash: 77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559
SHA3-384 hash: 0cd50065b3abc41d04d4da9701ddd482444702ea3729906cf000521bbf47e1ab5643cd383d0a767596482415f7707389
SHA1 hash: 91e5ee5004c94cb03883d55b95183319baf65b84
MD5 hash: 4f0208b1b02a0a5b4bdb9b7b917b201d
humanhash: tennis-single-hotel-july
File name:decode_0241fa7c1f6ea5512567fbadd2dcd643236706a191d0527128f561aee8298b8c
Download: download sample
Signature DCRat
Create hunting rule
File size:48'640 bytes
First seen:2023-07-07 13:54:03 UTC
Last seen:2023-08-15 14:49:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:FOEuILWCKi+Di4woKNil58Ybdg65z0oh0AwvEgK/JPZVc6KN:FOtm4woKezbK8z0sxwnkJPZVclN
Threatray 40 similar samples on MalwareBazaar
TLSH T13C235C0037A8C136F2BD47B4A9F392458675E26B2903C79D6CC464EA1F13BD59A036FE
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)
Reporter jstrosch
Tags:DCRat exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
decode_0241fa7c1f6ea5512567fbadd2dcd643236706a191d0527128f561aee8298b8c
Verdict:
Malicious activity
Analysis date:
2023-07-07 13:54:51 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/7057d2de-72b6-4c9a-ab99-48a243fdd4a8

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/410868/
Detection(s):
Sanesecurity.Malware.29669.UNOFFICIAL
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Sending a TCP request to an infection source
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559
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:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9eb6c4f-c858-45c6-a595-51f699bffcce
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-07-07 13:55:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6eyagltokmceg5fsoobr3uob56cf2nhe4v7pnboodajavg3wvmq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1dac278c05c70bc6df9e9eff71a38932549c61f51e1fed6239420a3c542c0476
DCRat
5ca36203dcf4de2fb898308d50cb01aa4bbe3810a398a1f5e14b3aff1de16f65
DCRat
5d7c4fd868e99334df95874c2c97f7e4ec2899e50fc482e637f5540d63032087
DCRat
682d0715a72ba27e0b0fe217b30adb446500758b97dc8fa603727b490f6fb60f
DCRat
76ded83d3b20de4cab65576d0e4c5adcd5b8ebb76e064ef4c2d3449ebdd25cac
DCRat
992dffa683d5a6e02b1bc40a2447a7cbfa03eab11adf8f9a5ff2b1d18cec7c93
DCRat
a16465e149e3d655f042fe17721a93f54c9db0ce45cc09b7152fbd4710f71b78
DCRat
aa44b193e2eb0046c55dc1a78fed298c361f06835256504ff42db39c5692df10
DCRat
db56ca34b934ee56d33478d16413a49d78a7671fd92c9a7a9444c48469030520
DCRat
defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f
DCRat
+ 30 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:3julio-pjoaojs rat
Link:
https://tria.ge/reports/230707-q74hdsaf4t/
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Deletes itself
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
20.200.63.2:2727
Unpacked files
SH256 hash:
77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559
MD5 hash:
4f0208b1b02a0a5b4bdb9b7b917b201d
SHA1 hash:
91e5ee5004c94cb03883d55b95183319baf65b84
Detections:
DCRat
Create hunting rule
Link:
https://www.unpac.me/results/cb25b8ef-7736-4d55-b9fe-5a2269bf43dd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559

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_B64_Artifacts
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Trojan_DCRat_1aeea1ac
Create hunting rule
Author:Elastic Security

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/410868/

Comments