MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b
SHA3-384 hash: a54bff770edf3a285b87da8659078a84c5d3f5c63dea3edd52df7ab4a1cae7a384c565038b668dfca6e65fc81a15dfe7
SHA1 hash: 740cb0f453e935c684024bdb828620afebf6df6f
MD5 hash: c4b31b5aaf8b5be021f43002f947bf29
humanhash: lion-california-wolfram-maryland
File name:c4b31b5aaf8b5be021f43002f947bf29
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:705'536 bytes
First seen:2022-08-05 19:04:44 UTC
Last seen:2022-08-05 20:11:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:AQTag6SKlpx5Qw3/8biMZESpWozPyQu7/CC8w:KLlpxO0MiMZESpyQjD
TLSH T1AEE4D094B757DE33F2282673F0C181081371454E92F2D71B6ACCBAAE29523A71DF974A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0b83c3c3c3ab8f0 (6 x Formbook, 6 x SnakeKeylogger, 5 x Loki)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
c4b31b5aaf8b5be021f43002f947bf29
Verdict:
Malicious activity
Analysis date:
2022-08-05 19:06:37 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/1f83733f-58e6-4d77-8318-2e60c1942f16

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/296760/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61170649.30094.13943.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ed6a5bbcf76fcb6ce91d34/reports/e07623c2-905c-422a-a956-74fab8850ca3/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5aedfd71-50e6-42b6-987b-c86243b3c225
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1046983
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679477 Sample: ZlFkN3CWWh Startdate: 05/08/2022 Architecture: WINDOWS Score: 100 87 Malicious sample detected (through community Yara rule) 2->87 89 Antivirus detection for dropped file 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 10 other signatures 2->93 10 ZlFkN3CWWh.exe 7 2->10         started        14 images.exe 2->14         started        process3 file4 77 C:\Users\user\AppData\...\LylfxRzcSZGpGU.exe, PE32 10->77 dropped 79 C:\...\LylfxRzcSZGpGU.exe:Zone.Identifier, ASCII 10->79 dropped 81 C:\Users\user\AppData\Local\...\tmp2A20.tmp, XML 10->81 dropped 83 C:\Users\user\AppData\...\ZlFkN3CWWh.exe.log, ASCII 10->83 dropped 95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->95 97 Uses schtasks.exe or at.exe to add and modify task schedules 10->97 99 Adds a directory exclusion to Windows Defender 10->99 101 Injects a PE file into a foreign processes 10->101 16 ZlFkN3CWWh.exe 10->16         started        19 powershell.exe 22 10->19         started        21 powershell.exe 21 10->21         started        29 3 other processes 10->29 103 Antivirus detection for dropped file 14->103 105 Multi AV Scanner detection for dropped file 14->105 107 Machine Learning detection for dropped file 14->107 23 powershell.exe 14->23         started        25 schtasks.exe 14->25         started        27 powershell.exe 14->27         started        31 3 other processes 14->31 signatures5 process6 file7 75 C:\Users\user\AppData\Roaming\images.exe, PE32 16->75 dropped 33 cmd.exe 16->33         started        35 cmd.exe 16->35         started        37 conhost.exe 19->37         started        39 conhost.exe 21->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 29->45         started        process8 process9 47 images.exe 33->47         started        50 conhost.exe 33->50         started        52 timeout.exe 33->52         started        54 conhost.exe 35->54         started        56 schtasks.exe 35->56         started        58 conhost.exe 37->58         started        signatures10 109 Adds a directory exclusion to Windows Defender 47->109 111 Injects a PE file into a foreign processes 47->111 60 powershell.exe 47->60         started        62 powershell.exe 47->62         started        64 schtasks.exe 47->64         started        66 images.exe 47->66         started        process11 dnsIp12 69 conhost.exe 60->69         started        71 conhost.exe 62->71         started        73 conhost.exe 64->73         started        85 37.0.14.197, 49757, 49758, 49762 WKD-ASIE Netherlands 66->85 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-04 19:32:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kibxwhojrfcesp6gvra2w754mld6554shdblp6gzeqrijyepri5q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default evasion rat
Link:
https://tria.ge/reports/220805-xrhdjsdghm/
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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
Malware Config
C2 Extraction:
37.0.14.197:6060
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
SH256 hash:
a9f7538d4e50d668e6e07d52d1b4f93cdf89645459b9b09f8e38e4c12efc5bb9
MD5 hash:
0b726a249272d3af4e9d48808c454d0c
SHA1 hash:
70fd2874514dad988f49635efb16ed96fffa6ce3
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
SH256 hash:
6327c0a0a0d78d00ef5a5c0174576250ad4789b44b4a7a2583c32811e1657c7b
MD5 hash:
1587604a0b73bbf04d02089ab6279b4e
SHA1 hash:
4c6144d76da1ea6e93f2dd8cab34630969ac1a46
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
SH256 hash:
7c821ea3e00f975c0f7dcd6f1ae2386026a8068df19b7fbc798e119d98e5bba1
MD5 hash:
bc996205758bc722ef53cf97c28b30c5
SHA1 hash:
26f089535071f42609130294913f5a92cd349d27
Detections:
win_asyncrat_w0
Create hunting rule
AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
Parent samples :
52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b
02c71d1d645ca94afbcada9f86a032444503b89e5f72ed3425a0ba84f45b352c
634646caa5124c31a7c686be59e10a0c7dbc3e747bfac70596b4b024c2c362c9
d56ce1bc69007aae6176c39ae79137f5b7013a7e4e4fdfce9457d945b92204fa
4311e14e2db7fe3ad8eb569fd2b5db6ee024474f1018962c9d64866e6942855f
efba734e54ef2c24ef4e8dbb5adc966af3b20b42ac7a43be04963c23297f9986
53949b99b9556d09fe8d11ec6d41d96055a9fbf2a31360f38ab18b26b6511219
88ce6b04f64de275ec9cfc98f50effcaa90aac02a6ff2a0802038aa39e40b7f0
ebc345d1416bab9c401e6c380199ca32accb0aaed66d5327aa2694284757aebf
SH256 hash:
52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b
MD5 hash:
c4b31b5aaf8b5be021f43002f947bf29
SHA1 hash:
740cb0f453e935c684024bdb828620afebf6df6f
Link:
https://www.unpac.me/results/cae92fd8-62ac-4712-8156-35edf2f6327c/
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/52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe 52037b1dc98944493fc6ac41ab7fbc62c7eef79238c2b7f8d9242284e08f8a3b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/296760/
  
URLhaus
https://urlhaus.abuse.ch/url/2266108/

Comments


Avatar
zbet commented on 2022-08-05 19:04:54 UTC

url : hxxp://103.156.91.97/recent/ctf.exe