MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d
SHA3-384 hash: d3e25080fea54983ce444fc0f9e3753a645a30878ec85dc743d8baa1fddf374a895c0a626f5d85a28c49bbd489d108ce
SHA1 hash: 771b45df7c4c79d0ee9fd4bbd41e4b799b0ffcdb
MD5 hash: 1d0ba620631acc24a652e4759e53947b
humanhash: mockingbird-angel-asparagus-football
File name:New Order List_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'009'426 bytes
First seen:2023-06-23 11:31:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:vTbBv5rUPL6Xizhqh+TkwlhgAhEWbtKuJo+tnL90J:ZBwWSzUhXwlhgbEXJL5L96
Threatray 4'610 similar samples on MalwareBazaar
TLSH T139250201FAC198B2D17219324676BB21597DBD250F64CEEBB3C42A5EAE312C1E731B53
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b470d4d4dcdcdcf0 (2 x Formbook, 2 x AgentTesla, 1 x AsyncRAT)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
New Order List_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 11:33:13 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/e85a559f-29c2-430b-a2f6-630585e02531

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/402147/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Sending a UDP request
Creating a file
Enabling the 'hidden' option for recently created files
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/92421/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit cmd.exe evasive greyware keylogger lolbin masquerade overlay packed setupapi.dll shdocvw.dll shell32.dll wscript wscript.exe
Link:
https://www.filescan.io/uploads/649582b4ccad8a4d60869726/reports/2c48f580-046f-4938-a2ea-94326abccd43/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d
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:
Unknown
Link:
https://analyze.intezer.com/analyses/6dda852a-0965-4f3b-8d2a-8e737e8be8c8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1260402
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Starts an encoded Visual Basic Script (VBE)
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)
Uses ipconfig to lookup or modify the Windows network settings
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM autoit script
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893420 Sample: New_Order_List_pdf.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Found malware configuration 2->90 92 Multi AV Scanner detection for dropped file 2->92 94 8 other signatures 2->94 9 New_Order_List_pdf.exe 87 2->9         started        13 flbprumu.exe.exe 1 1 2->13         started        15 flbprumu.exe.exe 2->15         started        17 flbprumu.exe.exe 2->17         started        process3 file4 60 C:\Users\user\AppData\Local\...\flbprumu.exe, PE32 9->60 dropped 114 Starts an encoded Visual Basic Script (VBE) 9->114 19 wscript.exe 1 9->19         started        62 c:\vlfx\flbprumu.exe.exe.exe (copy), PE32 13->62 dropped 64 c:\vlfx\flbprumu.exe.exe (copy), PE32 13->64 dropped 66 c:\vlfx\flbprumu.exe (copy), PE32 13->66 dropped 68 C:\vlfx\flbprumu.exe.exe.exe, PE32 13->68 dropped 116 Multi AV Scanner detection for dropped file 13->116 21 RegSvcs.exe 13->21         started        25 RegSvcs.exe 15->25         started        27 RegSvcs.exe 17->27         started        signatures5 process6 dnsIp7 29 cmd.exe 1 19->29         started        31 cmd.exe 1 19->31         started        34 cmd.exe 1 19->34         started        76 api4.ipify.org 21->76 78 api.telegram.org 21->78 80 api.ipify.org 21->80 106 Installs a global keyboard hook 21->106 82 api4.ipify.org 25->82 84 api.telegram.org 25->84 86 api.ipify.org 25->86 108 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->108 110 Tries to steal Mail credentials (via file / registry access) 25->110 112 Tries to harvest and steal browser information (history, passwords, etc) 25->112 signatures8 process9 signatures10 36 flbprumu.exe 1 84 29->36         started        40 conhost.exe 29->40         started        118 Uses ipconfig to lookup or modify the Windows network settings 31->118 42 conhost.exe 31->42         started        44 ipconfig.exe 1 31->44         started        46 conhost.exe 34->46         started        48 ipconfig.exe 1 34->48         started        process11 file12 54 C:\vlfx\flbprumu.exe.exe, PE32 36->54 dropped 56 C:\vlfx\flbprumu.exe, PE32 36->56 dropped 58 C:\Users\user\AppData\...\flbprumu.exe.exe, PE32 36->58 dropped 104 Multi AV Scanner detection for dropped file 36->104 50 RegSvcs.exe 15 7 36->50         started        signatures13 process14 dnsIp15 70 api4.ipify.org 104.237.62.211, 443, 49701, 49704 WEBNXUS United States 50->70 72 api.telegram.org 149.154.167.220, 443, 49702, 49703 TELEGRAMRU United Kingdom 50->72 74 api.ipify.org 50->74 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->96 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 50->98 100 May check the online IP address of the machine 50->100 102 3 other signatures 50->102 signatures16
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-23 09:51:25 UTC
File Type:
PE (Exe)
Extracted files:
102
AV detection:
24 of 37 (64.86%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwgv6i6mfuz5nvmihzw34dsd7ah6somdyu4uh2agpumk4fq4cgoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 4'600 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/230623-nm94bsfg3z/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6227397160:AAG-aRP4J1LBxWZrMB49MJ_P3SEO8cZQd34/
Unpacked files
SH256 hash:
658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d
MD5 hash:
1d0ba620631acc24a652e4759e53947b
SHA1 hash:
771b45df7c4c79d0ee9fd4bbd41e4b799b0ffcdb
Link:
https://www.unpac.me/results/9fa528e6-edf6-4d87-b871-573e4c68169e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/658d5f23cc2d/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/658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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 658d5f23cc2d33d6d5883e6dbe0e43f80fe93983c53943e8067d18ae161c119d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/402147/

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