MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1. 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

AsyncRAT

Vendor detections: 12

Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash:	1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1
SHA3-384 hash:	f1f9630708617b17a9b48c72f80724906d16c509bbf0301802a56f518449b9fe9e8b3a8dd9d34573e9ab6180349612da
SHA1 hash:	bda7326f66ee4aed3107a6f1ec08992ef4f5516b
MD5 hash:	1fe6a6ef9b12a19b6752076adb96d70a
humanhash:	october-avocado-pip-five
File name:	1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	46'080 bytes
First seen:	2021-02-23 14:30:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	768:LuPghTsEe5iWUUAqBmo2qbfKjGKG6PIyzjbFgX3iYYKAgj+lKldF6+KSH4FpBDZR:LuPghTshd2eKYDy3bCXSYYPg44dg6adR
Threatray	630 similar samples on MalwareBazaar
TLSH	21231A003BE8822BF2BE5F7899F26145467AF2633603D54A2CC451DB5713FC69A426FE
Reporter	JAMESWT_WT
Tags:	AsyncRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

AsyncClient.exe

Verdict:

Malicious activity

Analysis date:

2021-02-20 12:23:05 UTC

Tags:

trojan rat asyncrat

Link:

https://app.any.run/tasks/7493e207-213b-416b-9c4c-d9ebbed1a829

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

AsyncRat

Link:

https://www.capesandbox.com/analysis/118617/

Detection(s):

Win.Packed.Samas-7998113-0

Win.Packed.Samas-8025724-0

Win.Packed.Razy-9625918-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Connection attempt

Sending a UDP request

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.

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/615431

Signature

Antivirus / Scanner detection for submitted sample

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses dynamic DNS services

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1/

Threat name:

ByteCode-MSIL.Infostealer.Fareit

Status:

Malicious

First seen:

2021-02-22 01:04:10 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

40 of 48 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=du47f57zmn7wkkpm2lqgwwwudwywryzmgpgln4aozuok3rydadyq._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat

Link:

https://tria.ge/reports/210223-3xs2y5l782/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Malware Config

C2 Extraction:

zkgwnqekr7qrgadf.duckdns.org:4444

Unpacked files

SH256 hash:

1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1

MD5 hash:

1fe6a6ef9b12a19b6752076adb96d70a

SHA1 hash:

bda7326f66ee4aed3107a6f1ec08992ef4f5516b

Detections:

win_asyncrat_w0

Link:

https://www.unpac.me/results/4608ae5d-21c5-4039-89a9-7a17091b77c8/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Eldorado

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/1d39f2f7f9637f6529ecd2e06b5ad41db168e32c33ccb6f00ecd1cadc70300f1

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:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	Reverse_text_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Reverse text detected

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

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

Cape

https://www.capesandbox.com/analysis/118617/

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