MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c
SHA3-384 hash: e98d66480e2a357177e55fa8d3259e3195764efd167136f1fa4f225bc282c9a4717852cc8b7e974a4bce424641029689
SHA1 hash: 9395166cf128f8b5e84f369908670d8636c75069
MD5 hash: 3d9daa12b8b45edb648eac536e347ba2
humanhash: crazy-friend-floor-queen
File name:3d9daa12b8b45edb648eac536e347ba2
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:824'832 bytes
First seen:2022-06-15 11:55:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:Azalyl8rornd8GlkH22qla5w/yXbx95DLmyh13+laS:All8krnhlkH0MW/Ibx/DKq2
TLSH T1C2056DC98B496EC6EDE60B3555FB1B21110B93785A0FC347052E7E76036F2C9AFB2252
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8898a2ac1c9486be (8 x AsyncRAT, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
6.14.XLSX
Verdict:
Malicious activity
Analysis date:
2022-06-15 09:18:37 UTC
Tags:
exploit CVE-2017-11882 loader asyncrat
Link:
https://app.any.run/tasks/01a16054-e3dc-4264-9002-d09609c12f8e

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/280154/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a9c8da8763ffd4adc82b9d/reports/d8762632-0cc9-44a6-ae7f-ea89be03b557/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3ebb415-915a-4abd-bc9d-eb01b89f0431
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013634
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646130 Sample: hNYnpSbM16 Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 8 other signatures 2->78 10 hNYnpSbM16.exe 5 2->10         started        process3 file4 58 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 10->58 dropped 60 C:\Users\user\...\firefox.exe:Zone.Identifier, ASCII 10->60 dropped 62 C:\Users\user\AppData\...\hNYnpSbM16.exe.log, ASCII 10->62 dropped 86 Creates an undocumented autostart registry key 10->86 88 Drops executable to a common third party application directory 10->88 14 hNYnpSbM16.exe 6 10->14         started        17 cmd.exe 1 10->17         started        20 powershell.exe 15 10->20         started        signatures5 process6 file7 64 C:\Users\user\AppData\Roaming\images.exe, PE32 14->64 dropped 22 cmd.exe 1 14->22         started        24 cmd.exe 1 14->24         started        26 RuntimeBroker.exe 14->26         started        70 Uses schtasks.exe or at.exe to add and modify task schedules 17->70 28 conhost.exe 17->28         started        30 timeout.exe 1 17->30         started        32 conhost.exe 20->32         started        signatures8 process9 process10 34 images.exe 2 22->34         started        37 conhost.exe 22->37         started        39 timeout.exe 1 22->39         started        41 conhost.exe 24->41         started        43 schtasks.exe 1 24->43         started        signatures11 80 Multi AV Scanner detection for dropped file 34->80 82 Machine Learning detection for dropped file 34->82 84 Drops executable to a common third party application directory 34->84 45 cmd.exe 34->45         started        47 powershell.exe 34->47         started        49 images.exe 34->49         started        process12 dnsIp13 52 conhost.exe 45->52         started        54 timeout.exe 45->54         started        56 conhost.exe 47->56         started        66 91.192.100.7, 49857, 49858, 49869 AS-SOFTPLUSCH Switzerland 49->66 68 192.168.2.4, 123, 137, 138 unknown unknown 49->68 process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 11:56:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4ka3pdjsjgabvlla6l427gfblhoug7ylc523qc5vnxx5xqrqioa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:eloasync rat
Link:
https://tria.ge/reports/220615-n31vlaeean/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
91.192.100.7:8282
Unpacked files
SH256 hash:
1825f812012cfce3edd06a8b5d1869c70a45d71cbc8010d813c7f33734108242
MD5 hash:
b82bac92de4a6f0592cb3fd5026f114c
SHA1 hash:
0fb5e3905ed1843216a9a94277925973e47d4544
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/3443f6ee-adeb-4b27-aaa6-d37f79ff5ec8/
Parent samples :
234f42279e4494e1fe592d5b7ee4b2722fc885d18b6d7878f079e01bb0e123fe
cd470b6e8b2d870b614d3e481406039d2f0b5cec27ed8427b76fba09f4fa692d
a445fedd39770b68dc737401c065552adc66c61c16cdf9eefca61cf686ea7a41
7e78a34550234b3ccd5a7a9a98dc5c123ecad7c06e42f03a89e1faa396d2384f
5b682f3038aea6c3db35ba85a82712a1920adddd5587777742ca711dcd729757
3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c
3b51dc9ecd141fd30a12ab8a0d4a10bb3b50ec28a80ee64cfc736ca8dd2ba7e2
33910338115a8da407e1a15477e593b07fc645ef619a787bbb51ee77906c6e4c
SH256 hash:
b6e6d9073ec74bac91a9f03f439d9a0a7145b542a9a3f69495f7a2a8981b27b9
MD5 hash:
6b5cfc932736cea40f9523ec139aa641
SHA1 hash:
6ce6b9c96c773d03fbeb9be18827fb6914895009
Link:
https://www.unpac.me/results/3443f6ee-adeb-4b27-aaa6-d37f79ff5ec8/
SH256 hash:
3240cc4f0f0fe29a988870535acddab83409ca1ebae373ae68e620ae2d6bb654
MD5 hash:
ef38223b25a7dea3e88f5824de1f021e
SHA1 hash:
f1a7db7cdaa4c68fb7b2bfaae41fa3d3d4aae26a
Link:
https://www.unpac.me/results/3443f6ee-adeb-4b27-aaa6-d37f79ff5ec8/
SH256 hash:
3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c
MD5 hash:
3d9daa12b8b45edb648eac536e347ba2
SHA1 hash:
9395166cf128f8b5e84f369908670d8636c75069
Link:
https://www.unpac.me/results/3443f6ee-adeb-4b27-aaa6-d37f79ff5ec8/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f140dbc6992/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Web download

AsyncRAT

Executable exe 3f140dbc69924c00d56b0797cd7cc50aceea1bf858bbadc05dab6f7ede11821c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239064/
Cape
Cape
https://www.capesandbox.com/analysis/280154/

Comments


Avatar
zbet commented on 2022-06-15 11:55:53 UTC

url : hxxp://180.214.238.186/core/ctf.exe