MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec4f62108a0efc101539e57198ffffaac7be084e792b43daeb4561881c0fc2f2. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	ec4f62108a0efc101539e57198ffffaac7be084e792b43daeb4561881c0fc2f2
SHA3-384 hash:	f0445b454361234f788055e345873afaaf67e7ac8439823455ccd4816ed8788d9495a70040c2025692db0932dec0b606
SHA1 hash:	7f9a433442b492d6860dcab52b4aa83bfb495222
MD5 hash:	1082b9039a4b9fafd5d6c40663bed8a2
humanhash:	river-mike-white-indigo
File name:	76BVN200706awbinformation_PDF.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	5'357'568 bytes
First seen:	2020-07-07 09:31:01 UTC
Last seen:	2020-07-07 14:08:06 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	98304:EPomK9FVgefPF3N+ASz2pgSLfu2nKM3WAtm0n/aByHPRE:EPomK9FVgefPJSz2pPDnKqzgu/awv
Threatray	803 similar samples on MalwareBazaar
TLSH	B446235CE780186CDD2E8B719571CCB482227DAE2931D2AE24DE3E7B3F7B2D315151A2
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

Malspam distributing AsyncRAT:

HELO: [172.93.187.65]
Sending IP: 172.93.187.65
From: Chialing Hsiao <chialing.16.hsia@alps-logistics.com>
Subject: 7/10 BVN 200706 By Air
Attachment: 76BVN200706awbinformation_PDF.zip (contains "76BVN200706awbinformation_PDF.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Running batch commands

Launching a process

Creating a file in the %AppData% directory

Creating a process from a recently created file

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a recently created process by context flags manipulation

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ec4f62108a0efc101539e57198ffffaac7be084e792b43daeb4561881c0fc2f2/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-07 03:01:33 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 28 (78.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5rhweeekb36bafjz4vyzr777vld34ccopevuhwxlivqyqhapylza._file

Verdict:

malicious

Label(s):

agenttesla

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/200707-fms79peqp2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Program crash

Suspicious use of SetThreadContext

Adds Run entry to start application

Legitimate hosting services abused for malware hosting/C2

Loads dropped DLL

Executes dropped EXE

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.