MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
SHA3-384 hash: c473b4e4ebfe07f36f135e98ff38f249618b9d939a22d4059f197fca90353fe668396956300602c2fb05977f64dda9e2
SHA1 hash: ab57e6c408a669e4350825a0368b0d0b0506b678
MD5 hash: 36f0f3887e05313f5179538d6afe7d0e
humanhash: item-yankee-maine-pennsylvania
File name:GZD24070024 到貨 - 31677(WIS36)-308-12814975,76,308-12823182,3326,308-12831767,1774,6329,6332-PL.pdf.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:495'104 bytes
First seen:2024-07-08 04:11:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 12288:TPDzsilR2Xi6ywQJSg9pTEEgvnIWwKj+kCqrGk:TPDDl0yxxJSOxEBvnYJeqk
TLSH T1E5B422927BEA0713C92F1DBBD1F002E10B7665261BA2D6DD8EC011D91A94BC9CF11B7B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 00004000d0c06800 (4 x Formbook, 2 x RemcosRAT, 1 x AsyncRAT)
Reporter threatcat_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b.exe
Verdict:
Malicious activity
Analysis date:
2024-07-08 04:13:49 UTC
Tags:
remote xworm
Link:
https://app.any.run/tasks/01545b80-e073-486e-b3dd-7a5d5ea29c95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.25733.30403.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668b67143bd942ce8f6def05win7simulatehigh_evasion
Tags:
Generic Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/12df558e-28fc-4c77-b857-43f9c11726b2
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1468868
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
AI detected suspicious sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1468868 Sample: .pdf.scr.exe Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 15 other signatures 2->48 8 .pdf.scr.exe 3 2->8         started        process3 file4 36 C:\Users\user\AppData\...\.pdf.scr.exe.log, ASCII 8->36 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->52 54 Bypasses PowerShell execution policy 8->54 56 Adds a directory exclusion to Windows Defender 8->56 12 .pdf.scr.exe 6 8->12         started        17 .pdf.scr.exe 8->17         started        signatures5 process6 dnsIp7 40 104.250.180.178, 49716, 7061 M247GB United States 12->40 38 C:\Users\user\AppData\Roaming\XClient.exe, PE32 12->38 dropped 58 Adds a directory exclusion to Windows Defender 12->58 19 powershell.exe 23 12->19         started        22 powershell.exe 23 12->22         started        24 powershell.exe 23 12->24         started        26 powershell.exe 23 12->26         started        file8 signatures9 process10 signatures11 50 Loading BitLocker PowerShell Module 19->50 28 conhost.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-07-08 03:10:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jexwhin35kvtmuki3yrzzul7fiuyypxuehmvutbk4nfwpda6uj5q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240708-eshftstfrg/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/660cab8a-8e90-4958-9165-5ea589d5ac9d
Unpacked files
SH256 hash:
ff57bbd0fdc684ed0081786d06e4f13e786807d36805be88be2f65bbc2fbf554
MD5 hash:
f70c347e94362392dfee769e00d0a9a4
SHA1 hash:
f7bc0a6a399c53871afa99eaeae1c132e9422f07
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/60c4b33c-3fc3-4106-b23f-f224a276779c/
Parent samples :
2cd82067ffbfee95350ffc5d93b1da648d5d6f1d77cbaf3b5b5c5653711bdf45
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
5494c788d973660b6e3f765d74abc6b737375b4ee864fbb5e7ba5ece4db3a308
18c4dbab80d7e5adef5c28a522232b6f4b0e47ceba4e37ec1f7e2b17495f9c64
ecec98c92cc04b0d294a56a3ab45956f19dbe5d1dad5f2f2beee48fd0eb1845b
225f24ec8e5c27e915e65abcd7d11cc6908b48c5e60e16aaff5eaf05f162e0a5
89dc59a7a775dfe1f77a49a7e7c964ffc70ae523d209ea78d7854410fe476b90
913088dfb9d020b0d590b474cb80dcec701eedc7494a0a4c4854853bb21fd2c6
5d85e1690df934604c1065147c41cfa7255b51775e298570ba1d8dc85d51fba9
3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906
2f89944e9e1a59602a6d50e917c092e30467f83e312bb1bcc5e758109766cd94
5b18e86b916afe8f7f7e4ced40194c8a24b4c731bbbe175b52485de2a6b0bbb2
b2ceb384528dd6048f4b1e92cc059ebdfd7c2936ea3c701f7bcfb928681c2443
8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
SH256 hash:
c13e3d453c8ea0c40041b3943d2e04866d56f4ceb650af24a0a4c5d6535a8037
MD5 hash:
22f7242a82a8d109e81f64663fef65ab
SHA1 hash:
e705265ce2e43e427ca2b8cb70e4e5fdb034ff0f
Link:
https://www.unpac.me/results/60c4b33c-3fc3-4106-b23f-f224a276779c/
SH256 hash:
94359debe1462bde835aeba36dc85165afc70db05887a94f49e60d54ae4f0124
MD5 hash:
04f84d7ed29563f24066adbbd4d91144
SHA1 hash:
cea4adad2b579b6e82b4e1a4b36ebc4b1f370a3b
Link:
https://www.unpac.me/results/60c4b33c-3fc3-4106-b23f-f224a276779c/
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
Link:
https://www.unpac.me/results/60c4b33c-3fc3-4106-b23f-f224a276779c/
SH256 hash:
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
MD5 hash:
36f0f3887e05313f5179538d6afe7d0e
SHA1 hash:
ab57e6c408a669e4350825a0368b0d0b0506b678
Link:
https://www.unpac.me/results/60c4b33c-3fc3-4106-b23f-f224a276779c/
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/492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

AsyncRAT

Executable exe 492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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