MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57
SHA3-384 hash: b2da95f1de3a7c65c9685d101d58f0c48d5d4e05115e4321b5931e724657a66cf98d3438f584324d65d28e04c9009314
SHA1 hash: efba5bcf3205840ee75d7eb94f5b46badebd4e5e
MD5 hash: 10b63ce67c40df08896d89e7abe796b1
humanhash: maine-triple-maryland-lake
File name:Wtlxjjpmb.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:32'256 bytes
First seen:2022-06-01 08:44:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:VYlbMULr96gLZmjzYnP7RhRvxKq2Y1rqIf:VYlbMs4iKEFXvxKqHsW
Threatray 18'098 similar samples on MalwareBazaar
TLSH T187E23BC2F38985A5FC9B093154379E400F2AFF26BCD1261579D5B65B8EB328042B331B
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 e0e4a2aaa4b8a888 (10 x DarkWatchman, 5 x SnakeKeylogger, 5 x Formbook)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Wtlxjjpmb.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 10:05:56 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/c136549c-a372-461b-8e98-7df52ec4d097

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/275982/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
DNS request
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/9eeb2d49-873b-4ee7-9ab4-126b618972e5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004862
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
Creates an undocumented autostart registry key
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 637354 Sample: Wtlxjjpmb.exe Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 12 other signatures 2->46 7 Wtlxjjpmb.exe 15 7 2->7         started        process3 dnsIp4 36 cdn.discordapp.com 162.159.129.233, 443, 49737 CLOUDFLARENETUS United States 7->36 30 C:\Users\user\AppData\Roaming\...\ddddhhh.exe, PE32 7->30 dropped 32 C:\Users\user\...\ddddhhh.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\...\Wtlxjjpmb.exe.log, ASCII 7->34 dropped 48 Creates an undocumented autostart registry key 7->48 50 Writes to foreign memory regions 7->50 52 Injects a PE file into a foreign processes 7->52 12 MSBuild.exe 14 6 7->12         started        16 MSBuild.exe 7->16         started        18 cmd.exe 1 7->18         started        20 cmd.exe 1 7->20         started        file5 signatures6 process7 dnsIp8 38 api.telegram.org 149.154.167.220, 443, 49803, 49804 TELEGRAMRU United Kingdom 12->38 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->54 56 Tries to steal Mail credentials (via file / registry access) 12->56 58 Tries to harvest and steal ftp login credentials 12->58 60 Tries to harvest and steal browser information (history, passwords, etc) 12->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->64 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57/
Threat name:
ByteCode-MSIL.Trojan.BotX
Create hunting rule
Status:
Malicious
First seen:
2022-05-31 13:01:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfiezdc5a4lnixl5kjdsump5givykfpefwjqgz4otgwyeepx7rlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2c2a80bf346762a47a4e8e03aae4e8f799a875212773fe8826e947faaeaad1f8
AgentTesla
3a3e2b1a1d34846b4f2f96604db1b9722cad2d3538ff9a23b909660b4ddc7d33
AgentTesla
557a565c06f7afd0595510577dd1ff500c70fefe72a57fd2c12152353a3c1608
AgentTesla
71414c20e9101a9f9e630f99fa0e0c080b0e3cbf4711fcaa99931354cdd663f2
AgentTesla
74991b9ac09a3db5f05e1a396f761c1628470f525b3ff8f8c6c9a65647782677
AgentTesla
bf60eff9cbc2475c309dd1859de66cf161ed02669945ad33e70b237aa53ad662
AgentTesla
e32d29de02579a753bbbae6d60fc0c58b09c929a4670b145b3929f627ae67bb2
AgentTesla
+ 18'088 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220601-knrftsffa7/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5313208526:AAEBbmOssE63NMGd9m3c6ntjRL33s6MhYZk/sendDocument
Unpacked files
SH256 hash:
89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57
MD5 hash:
10b63ce67c40df08896d89e7abe796b1
SHA1 hash:
efba5bcf3205840ee75d7eb94f5b46badebd4e5e
Link:
https://www.unpac.me/results/c620f7c1-b7fd-4ae4-8568-c8ce4f030418/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89504c8c5d07/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

Executable exe 89504c8c5d0716d45d7d52472a31fd322b8515e42d9303678e99ad8211f7fc57

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275982/

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