MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
SHA3-384 hash: 0f5b0b083ca61bbe91c7bfe8c3de878a0516933c09a315cf84d4b6471c7ca19acd40c61f5053bfb00ffc2633e250883f
SHA1 hash: b98fa7f58a059e2b136ac22b78b23da2fe0d78e3
MD5 hash: 1f5e3fcbdd05b2d7975bdba2c9397142
humanhash: uncle-alanine-high-louisiana
File name:Doc-0750012xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:133'496 bytes
First seen:2023-12-04 09:36:20 UTC
Last seen:2023-12-04 11:21:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:B5rFV5vpLIr56x6UkUPmxSQNrjxsM0F48t6A3htV:B5xtLheUuxSJF492V
Threatray 3'704 similar samples on MalwareBazaar
TLSH T1D2D3D8629D47FC6BC9A60A38D0E240B7A13B9F886953944DA4F93D031D32A8DDFF5C46
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon cca6a2a6a6a292c4 (3 x AgentTesla, 2 x BluStealer)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
316
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Doc-0750012xls.exe
Verdict:
Malicious activity
Analysis date:
2023-12-04 09:57:43 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/db9cf400-5f47-4049-8df9-455d61905b20

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/462338/
Detection(s):
SecuriteInfo.com.Program.Unwanted.4610.6443.13650.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed packed
Link:
https://www.filescan.io/uploads/656d9dc37485e5b1ecc5d178/reports/82c4141c-5c90-45ae-8d41-c1728cb9bd5e/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
Link:
https://www.hybrid-analysis.com/sample/644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
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/e8a09778-459f-4ad0-97c1-392dd7989dec
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353065
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353065 Sample: Doc-0750012xls.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 34 server1.sqsendy.shop 2->34 36 ip-api.com 2->36 38 3 other IPs or domains 2->38 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 7 Doc-0750012xls.exe 16 5 2->7         started        12 Mrkysfxlla.exe 14 5 2->12         started        14 Mrkysfxlla.exe 2->14         started        signatures3 process4 dnsIp5 40 amandaconor.com 64.37.61.106, 443, 49712, 49716 DIMENOCUS United States 7->40 26 C:\Users\user\AppData\...\Mrkysfxlla.exe, PE32 7->26 dropped 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->60 62 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->62 16 Doc-0750012xls.exe 2 7->16         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 20 Mrkysfxlla.exe 2 12->20         started        22 Mrkysfxlla.exe 12->22         started        70 Injects a PE file into a foreign processes 14->70 24 Mrkysfxlla.exe 14->24         started        file6 signatures7 process8 dnsIp9 28 server1.sqsendy.shop 63.250.35.178, 49715, 49722, 49726 NAMECHEAP-NETUS United States 16->28 30 api4.ipify.org 104.237.62.212, 443, 49713, 49718 WEBNXUS United States 16->30 32 ip-api.com 208.95.112.1, 49714, 49721, 49725 TUT-ASUS United States 16->32 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->42 44 Tries to steal Mail credentials (via file / registry access) 24->44 46 Tries to harvest and steal browser information (history, passwords, etc) 24->46 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3/
Threat name:
Win32.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 08:25:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrfgcqet4zjm2hzfujpher43njimgb24x5kxubkjmaf5xrjbyorq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0f38e9bb118683c47ed9ac3b745683a8b66b9386ab0ac538e7b52dc5ce7b0130
AgentTesla
56cfd7df1800b2c751e56c983a8e33c39b3e2c8d34368c6fa51582f306f2eff9
AgentTesla
644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
AgentTesla
e50d396fce14d5c6f58251adb5967d37862e8f2931d760ea76557e45086c30bf
AgentTesla
f5d898d55049c43482c1f3621d7038f6337c42956ba73d1adb6e438676088ee0
AgentTesla
fa1263a8e9dea6c3fa9dce2ca23f8f235f8821446eb5089574c706c37db54442
AgentTesla
+ 3'694 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231204-llf3raac81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
MD5 hash:
1f5e3fcbdd05b2d7975bdba2c9397142
SHA1 hash:
b98fa7f58a059e2b136ac22b78b23da2fe0d78e3
Link:
https://www.unpac.me/results/778307e2-609a-4a59-908d-6aea49569937/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/644a614093e6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

AgentTesla

Executable exe 644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462338/

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