MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69
SHA3-384 hash: 63964cfd6dc41ab8baf7e8f34d365e83322d77eaddd409808ed02519925a004a86a6529bb9027df304294d7a28447f33
SHA1 hash: ca0b12ffd183badb83074b346bb6cce43f3c37a8
MD5 hash: e487685270e95e5d3eb242bbcd6afb1f
humanhash: washington-solar-music-asparagus
File name:8099421157.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:891'904 bytes
First seen:2023-06-19 06:07:37 UTC
Last seen:2023-06-19 16:12:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:FxYkZmxCXjZT1S5LA9e2vlnx2siR5/HLZ5:FbXjZTs5LA7vlO/L
TLSH T11315DF5071989F53E03F87F59192203083F52A23F5BFE78ADDD325EA2D66F918A81583
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) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
267
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8099421157.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 06:08:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0893255d-c9f4-4740-a6c1-4afdd6d911ef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400293/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/648ff0c2691d8876d649e16c/reports/2a7899bb-e462-4971-8504-fda5717860ba/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69
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/ac29e46b-799b-446b-a95e-f8db2e5a93cc
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257090
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890106 Sample: 8099421157.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 5 other signatures 2->80 7 8099421157.exe 7 2->7         started        11 iocPOoEDwjS.exe 5 2->11         started        13 aCcAwFD.exe 2->13         started        15 aCcAwFD.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\iocPOoEDwjS.exe, PE32 7->52 dropped 54 C:\Users\...\iocPOoEDwjS.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp8DFC.tmp, XML 7->56 dropped 58 C:\Users\user\AppData\...\8099421157.exe.log, ASCII 7->58 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 7->94 96 Adds a directory exclusion to Windows Defender 7->96 17 8099421157.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        98 Multi AV Scanner detection for dropped file 11->98 100 Injects a PE file into a foreign processes 11->100 26 iocPOoEDwjS.exe 11->26         started        28 schtasks.exe 1 11->28         started        30 aCcAwFD.exe 13->30         started        32 schtasks.exe 13->32         started        34 aCcAwFD.exe 15->34         started        36 2 other processes 15->36 signatures5 process6 dnsIp7 60 api4.ipify.org 173.231.16.76, 443, 49694, 49695 WEBNXUS United States 17->60 62 smtp.gmail.com 173.194.69.109, 49696, 49704, 587 GOOGLEUS United States 17->62 64 api.ipify.org 17->64 48 C:\Users\user\AppData\Roaming\...\aCcAwFD.exe, PE32 17->48 dropped 50 C:\Users\user\...\aCcAwFD.exe:Zone.Identifier, ASCII 17->50 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->82 84 Tries to steal Mail credentials (via file / registry access) 17->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        66 173.194.69.108, 49702, 587 GOOGLEUS United States 26->66 72 2 other IPs or domains 26->72 42 conhost.exe 28->42         started        68 api.ipify.org 30->68 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 44 conhost.exe 32->44         started        70 api.ipify.org 34->70 46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-17 01:36:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxb5tom2zuozlwbbvlny77a3fydzn7fbny42nk76prip4mtxbnuq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230619-gvwscabh73/
Behaviour
Creates scheduled task(s)
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
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks computer location settings
Reads data files stored by FTP clients
AgentTesla
Unpacked files
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
SH256 hash:
a92c7b1ea3fae29087198b50895893c7ab72bf0191a5fa05d85651a7e909e0ee
MD5 hash:
ee4c82bf9cdc9c13064ec53e1012a958
SHA1 hash:
d6af80a0327bf6f6725392d6d8d70cd897fdbffa
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
SH256 hash:
875b1fd47c8628ffda61c8cd5da7df1418ae8a4128e009a582d4f96a15e0fd2d
MD5 hash:
45d69ecd3fce63ce057a16be35e4f83a
SHA1 hash:
7155414bd6a05b9b750782145279de75652b0edf
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
SH256 hash:
b86193f0f5eeadf451f23596dffb4d015245311c67bc15244c2b1c81293d3679
MD5 hash:
be09d1a9fbdc7fe4ad47e49a0ccf2a0e
SHA1 hash:
3eea7d856de59fefd670110c2edda63c319a5a1b
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
SH256 hash:
d495833f204e4cf02f08493c2b76edc8aa20e1e801f8ad4a0eae2bdf8481fedd
MD5 hash:
c94d886c503c4b4975cd92e80429ccbc
SHA1 hash:
1e8307717a3812d2321ececd55bebaf52ae1548f
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
Parent samples :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 hash:
8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69
MD5 hash:
e487685270e95e5d3eb242bbcd6afb1f
SHA1 hash:
ca0b12ffd183badb83074b346bb6cce43f3c37a8
Link:
https://www.unpac.me/results/0d009262-11df-4589-992c-e4523283cd9f/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8dc3d9b99acd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69

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.

Malspam

AgentTesla

Executable exe 8dc3d9b99acd1d95d821aadb8ffc1b2e0796fca16e39a6abfe7c50fe32770b69

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/400293/

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