MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd9fd40438d1819fb9f9d72ddc6f5d06c1651aa6543ca6560819d27a764c68d2. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd9fd40438d1819fb9f9d72ddc6f5d06c1651aa6543ca6560819d27a764c68d2
SHA3-384 hash: 104da4ffe68a67daca979ac59dd1a524c8b1bc1247c918cdcfe85d4934f72079695fa68fb496c08889738c8293531935
SHA1 hash: e375f0914f27f18d39158a2ed9953d9328dd02fd
MD5 hash: 48075a122eb84fc077fb80e59d3834ed
humanhash: ink-gee-magnesium-echo
File name:48075a122eb84fc077fb80e59d3834ed.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:265'944 bytes
First seen:2020-11-20 07:40:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:j2/EKAwqBJj+FAoGbxt6Sdlizg0au++sM:j6Ef/CFAoutWau+RM
Threatray 57 similar samples on MalwareBazaar
TLSH B2440262378414A4E7794933ADC9E920EB71BD03B8D0C2BB31C8952D5F727C2D496F69
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Code Signing Certificate

Organisation:Google LLC
Issuer:DigiCert Assured ID Code Signing CA-1
Algorithm:sha1WithRSAEncryption
Valid from:Nov 8 00:00:00 2019 GMT
Valid to:Nov 16 12:00:00 2022 GMT
Serial number: 06AEA76BAC46A9E8CFE6D29E45AAF033
Intelligence: 16 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 5F2F2840C6E51D17F09334ADA05D9DCDD9AEEB11AF0AE163816757D539ABE3EE
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
AsyncRAT C2:
45.144.30.41:8808

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/543791
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dd9fd40438d1819fb9f9d72ddc6f5d06c1651aa6543ca6560819d27a764c68d2/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-11-15 02:55:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wp5ibby2gaz7opz24w5y325a3awkgvgkq6kmvqidhjhu5smndja._file
Verdict:
malicious
Similar samples:
0137042c076d728f11067b31394854e43724b1b588a65d0718d696ac2efd7f3f
AsyncRAT
02026f0a7193b66036223f82eff070e816ebfbea86af8bb8fa5c92bf6119633f
AsyncRAT
1643306adbe8c7e38ee965ab974c1d074afc671c0e5aa0c2b50a18cc67036a50
AsyncRAT
3ee82cb6b92599b06273f1a48091fdbab0ca285fb8147501a0392b8a2eba583c
AsyncRAT
47aaf274ba6635b13798292366c06640a3dff0d314b56aabf0dc4f6d22ab5bd4
AsyncRAT
6c7219ce0b85bcda4ea4fed96e66f08e2621463ac3bc1da55a108af0b35758c0
AsyncRAT
abeff15c4406f81d4332fa38897f618ea4c661335e6890b764b73408cfe4f48a
AsyncRAT
ad7e94c87890fd0d5e1ad30178606823c42c01b5e07bbc56bb86bf2bf3ae1477
AsyncRAT
e69d8cb762149ef5d9cbc14ba3b4c1a48395c5261f9c404608a37c1807f1e19e
AsyncRAT
ff734df4d09afad52e931fce898a5497b78081fbca44f091e55a3da4b47c1350
AsyncRAT
+ 47 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/201120-h5a5j374ln/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
AsyncRat
Malware Config
C2 Extraction:
:
Unpacked files
SH256 hash:
dd9fd40438d1819fb9f9d72ddc6f5d06c1651aa6543ca6560819d27a764c68d2
MD5 hash:
48075a122eb84fc077fb80e59d3834ed
SHA1 hash:
e375f0914f27f18d39158a2ed9953d9328dd02fd
Link:
https://www.unpac.me/results/74a88495-481b-47cc-8809-14c88f8022ea/
SH256 hash:
4462b7e0935c6c5b60eaf3488f91f5d0616b7d5a26e941bf87ec88eadcc26e49
MD5 hash:
7d7ccb6786a450f8a37a359c7685e493
SHA1 hash:
949f5e307eab6a6c6cf49024bfbdb83c84d3046f
Link:
https://www.unpac.me/results/74a88495-481b-47cc-8809-14c88f8022ea/
SH256 hash:
93d117b620766159bebc38bbc8f8c88afbbe1c2dd405a966ce6b1babda239d3e
MD5 hash:
c2fec9f532a759d0bae725ce335c11ea
SHA1 hash:
a5117b4e0fce364db09a27f475cf8a72c09d0114
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/74a88495-481b-47cc-8809-14c88f8022ea/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/74a88495-481b-47cc-8809-14c88f8022ea/
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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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.

Comments