MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267. 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


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267
SHA3-384 hash: 8981a51473032c4c5556ff745f6211b83d126064b275571b38eec7a89555a38e37f5f8607ec28f6b8f7782413f994fae
SHA1 hash: 898ae1d25ad569a713fdd49c8861ad58ea511579
MD5 hash: a55122534499512b297fa7dc64a77a21
humanhash: video-comet-rugby-four
File name:Lyydcrn.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'679'360 bytes
First seen:2022-10-13 07:40:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'656 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:QPNI/JEielVYIiT7wAU+Ft/CPXfLBoN8mNYAT3whnWZQzjFeM6DJOjB9sTTHyH5K:QK9/CPXfuwhnYQb6VOTV
Threatray 20'146 similar samples on MalwareBazaar
TLSH T13975F8F4A1BA4092F6479D81247CBDE1027231F3EDDD0978536AB7048FAFD543A8994E
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 8938f8f4e0b89c44 (2 x AgentTesla, 2 x Smoke Loader, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://cretenom.ga/jojo/inc/8abe807e7b5207.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://cretenom.ga/jojo/inc/8abe807e7b5207.php https://threatfox.abuse.ch/ioc/880621/

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319725/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6347c1160d2bcf0ff9a2c3a1/reports/d2369e75-206e-411a-966a-6893407f7229/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/219f2418-fe98-4172-b8ec-5ce4270ec49c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1089562
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Moves itself to temp directory
Multi AV Scanner detection for domain / URL
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722160 Sample: Lyydcrn.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 7 Lyydcrn.exe 4 2->7         started        11 nEzENMc.exe 2 2->11         started        13 nEzENMc.exe 2 2->13         started        process3 file4 30 C:\Users\user\AppData\...\Lyydcrn.exe.log, ASCII 7->30 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->54 56 Encrypted powershell cmdline option found 7->56 15 Lyydcrn.exe 17 5 7->15         started        20 powershell.exe 16 7->20         started        58 Antivirus detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 signatures5 process6 dnsIp7 32 cretenom.ga 87.251.79.5, 49698, 80 RISS-ASRU Russian Federation 15->32 34 192.168.2.1 unknown unknown 15->34 24 C:\Users\user\AppData\Roaming\...\nEzENMc.exe, PE32 15->24 dropped 26 C:\Windows\System32\drivers\etc\hosts, ASCII 15->26 dropped 28 C:\Users\user\...\nEzENMc.exe:Zone.Identifier, ASCII 15->28 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Moves itself to temp directory 15->38 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 5 other signatures 15->42 22 conhost.exe 20->22         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-13 07:41:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgedytzrcmmk4ll7ozms6fbykwwnyb3yf45rtp5okfvrsjvcejtq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1c4c51643818307480c2436301dab98c4794812abb3e94df7b133450411b66e1
AgentTesla
71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
AgentTesla
81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267
AgentTesla
9e70f94c2bee83c63e40004e38b390edf044b64e5ab5554f3aad9dd187e23d6d
AgentTesla
b512d0f95a81e932ba60e4497b043a8358fccdb517c1489ee59962a01b07d276
AgentTesla
d2f53f7c3c25aab7d0121e036c906648b1c4e00702b4f0b91b66113c174d03c1
AgentTesla
e093ab5205716fcdc25074b5e987f7cd86eec9dd8eabcd41cd57cadb5d3df7c0
AgentTesla
e3f7150d12f8307444828499346082247460fd350ea530f299d1c72f02f79404
AgentTesla
ee521d7554ad7fba79ca211b807366a879fbf25bc57de72d76f0e366a81503fb
AgentTesla
+ 20'136 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221013-jh4njabda6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Malware Config
C2 Extraction:
http://cretenom.ga/jojo/inc/8abe807e7b5207.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/82323643-d2e6-4067-b30b-7b57b2312c37
Unpacked files
SH256 hash:
8913c9bdd4ced11fe221ac83c5a42869f9ac69f6c5e6406d9061e447a4c25e94
MD5 hash:
927c1ffc94547a5d41c098f5f5024367
SHA1 hash:
2612771a9496d0edacc5a3ec1dcdd5e9eadedbb5
Link:
https://www.unpac.me/results/433c5aac-a9bf-4d40-9759-432be3982738/
SH256 hash:
747b16328d7e41a79aa6a1813c598baf25f2c7136febb4314086fd445f12a963
MD5 hash:
521695a33c96e28a858a0e04c76c9873
SHA1 hash:
eb9d377653f260a41ba9f8ca708e68942593f3da
Link:
https://www.unpac.me/results/433c5aac-a9bf-4d40-9759-432be3982738/
SH256 hash:
2ec2cfc05b75c15408a001fc4f40f932e662d50357ffd26bc681acf64215a367
MD5 hash:
0c6618f1d4ab79a271142641581a24c3
SHA1 hash:
a4925969c8b36ec71044cb32cd295dd2c46748e6
Link:
https://www.unpac.me/results/433c5aac-a9bf-4d40-9759-432be3982738/
SH256 hash:
81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267
MD5 hash:
a55122534499512b297fa7dc64a77a21
SHA1 hash:
898ae1d25ad569a713fdd49c8861ad58ea511579
Link:
https://www.unpac.me/results/433c5aac-a9bf-4d40-9759-432be3982738/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81883c4f3113/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/81883c4f311318ae2d7f76592f143855acdc07782f3b19bfae516b1926a22267

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.

Cape
Cape
https://www.capesandbox.com/analysis/319725/

Comments