MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c091fdb1a1329094aa1902a066869bf18541c3fbaec9ee69153c790dc568e89. 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 4 File information Comments

SHA256 hash: 9c091fdb1a1329094aa1902a066869bf18541c3fbaec9ee69153c790dc568e89
SHA3-384 hash: 451c21059b9e053bc8a6acd75c07cec0a33ce8fde19487bec08598c52dcdd3af0e3ab3fe98b6a6809088d71847d8e192
SHA1 hash: 30bae23f1655859ac0564cacf63a9c4f65f5d5c4
MD5 hash: 1ce056936889167d85deafd82ed78a6a
humanhash: leopard-utah-failed-blue
File name:file
Download: download sample
Signature AgentTesla
File size:693'760 bytes
First seen:2023-09-26 18:29:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:erfA45725+jPsBpuHCmRS11IiJaoIW033YIX6RuEUB+X5a/2in0Vi6mUamH:er4EjUIjoIW0VFB+paAGy
Threatray 5'749 similar samples on MalwareBazaar
TLSH T1FFE4E03828A211E6F5E9CE37DC954102FAE75C16AE21890ED0D232F906373D6E5856FF
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 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
285
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
240.xls
Verdict:
Malicious activity
Analysis date:
2023-09-26 05:42:59 UTC
Tags:
opendir exploit cve-2017-11882 loader agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314762 Sample: file.exe Startdate: 26/09/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->74 76 8 other signatures 2->76 7 file.exe 7 2->7         started        11 yjmKjyQkmDl.exe 5 2->11         started        13 amnPsb.exe 2->13         started        15 amnPsb.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\yjmKjyQkmDl.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmpEA36.tmp, XML 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 file.exe 17 5 7->17         started        22 powershell.exe 18 7->22         started        24 schtasks.exe 1 7->24         started        94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 26 yjmKjyQkmDl.exe 11->26         started        28 schtasks.exe 11->28         started        30 amnPsb.exe 13->30         started        36 2 other processes 13->36 98 Injects a PE file into a foreign processes 15->98 32 amnPsb.exe 15->32         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 68 3 other IPs or domains 17->68 48 C:\Users\user\AppData\Roaming\...\amnPsb.exe, PE32 17->48 dropped 50 C:\Users\user\...\amnPsb.exe:Zone.Identifier, ASCII 17->50 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        56 208.91.199.224, 49789, 587 PUBLIC-DOMAIN-REGISTRYUS United States 26->56 58 api.ipify.org 26->58 42 conhost.exe 28->42         started        60 208.91.199.223, 49791, 587 PUBLIC-DOMAIN-REGISTRYUS United States 30->60 62 104.237.62.212, 443, 49790, 49802 WEBNXUS United States 30->62 64 api.ipify.org 30->64 66 api.ipify.org 32->66 84 Tries to harvest and steal browser information (history, passwords, etc) 32->84 44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-25 17:39:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
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
AgentTesla
Unpacked files
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
SH256 hash:
5250e69647b1a9740d8169e4146c227d45f4a266be1bcf721099ccd7d5be0991
MD5 hash:
f112db480170d3df23956da2ad7d7abc
SHA1 hash:
34e82fbc346c1f1eb93709fa7b190ec624879df5
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
9c091fdb1a1329094aa1902a066869bf18541c3fbaec9ee69153c790dc568e89
MD5 hash:
1ce056936889167d85deafd82ed78a6a
SHA1 hash:
30bae23f1655859ac0564cacf63a9c4f65f5d5c4
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe 9c091fdb1a1329094aa1902a066869bf18541c3fbaec9ee69153c790dc568e89

(this sample)

  
Delivery method
Distributed via web download

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