MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5a97acf9b392addd2c222672ee4d97b6d1a39e6877734db1cb012f6a356793. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: fb5a97acf9b392addd2c222672ee4d97b6d1a39e6877734db1cb012f6a356793
SHA3-384 hash: ac014a867df5bda23864b6fba063d7d7a65ccc957dfb9f02563bcd02e1f666a306eb8f49ce89c9820597f53c01c95828
SHA1 hash: 189a83c559a922c84ec2a1d8c9b3894400d59284
MD5 hash: 04e6fd0b458a56f743ffd46cc3271cd0
humanhash: violet-princess-lithium-zulu
File name:SecuriteInfo.com.W32.MSIL_Kryptik.FQW.gen.Eldorado.27301.17793
Download: download sample
Signature AgentTesla
File size:636'416 bytes
First seen:2023-10-17 06:36:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:+r2HTsgXZQ2VGiXB+JdwXPNRi+1woUT3Qp2aYpIl9R2A+F5/QN19+SdawY2W:i4IaZJG0+JdSVRvC3QpFR7hNNdaX
Threatray 49 similar samples on MalwareBazaar
TLSH T13DD4CF6971EB26C6D036D7F7C3982B88C6E6F176620EFA1D3FC5064A8021F46DF12625
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
336
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Kryptik.FQW.gen.Eldorado.27301.17793
Verdict:
Malicious activity
Analysis date:
2023-10-17 08:15:46 UTC
Tags:
stealer agenttesla

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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
.NET source code contains very large strings
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1327056 Sample: SecuriteInfo.com.W32.MSIL_K... Startdate: 17/10/2023 Architecture: WINDOWS Score: 100 47 steamd.in 2->47 49 mail.steamd.in 2->49 51 2 other IPs or domains 2->51 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 7 other signatures 2->63 8 SecuriteInfo.com.W32.MSIL_Kryptik.FQW.gen.Eldorado.27301.17793.exe 6 2->8         started        12 zwXLxmjmD.exe 5 2->12         started        14 fCVSa.exe 2->14         started        16 fCVSa.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\zwXLxmjmD.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp7D8F.tmp, XML 8->45 dropped 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Writes to foreign memory regions 8->81 83 Injects a PE file into a foreign processes 8->83 18 RegSvcs.exe 16 4 8->18         started        23 schtasks.exe 1 8->23         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 89 Allocates memory in foreign processes 12->89 25 RegSvcs.exe 16 12->25         started        27 schtasks.exe 1 12->27         started        29 RegSvcs.exe 12->29         started        31 RegSvcs.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 53 steamd.in 103.211.216.53, 49719, 49721, 49723 PUBLIC-DOMAIN-REGISTRYUS Seychelles 18->53 55 api4.ipify.org 104.237.62.212, 443, 49715, 49720 WEBNXUS United States 18->55 41 C:\Users\user\AppData\Roaming\...\fCVSa.exe, PE32 18->41 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 37 conhost.exe 23->37         started        69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->69 71 Tries to steal Mail credentials (via file / registry access) 25->71 73 Tries to harvest and steal browser information (history, passwords, etc) 25->73 75 Installs a global keyboard hook 25->75 39 conhost.exe 27->39         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-10-17 04:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 36 (52.78%)
Threat level:
  2/5
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 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
AgentTesla
Unpacked files
SH256 hash:
aa6c4b4362783f40815c451cbf7336954813ff670ee12ced2350dd4b275b10e4
MD5 hash:
e077853d24162d46e1fa31f197d71565
SHA1 hash:
f9ff7d1029c10bf160368121c56da6922dd8e7fe
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
SH256 hash:
7eaa250eec9e2f15c72105ec599bd1b56b14e9b095899a94883eefc08f65e14d
MD5 hash:
84d6bc723d80b66fc62a02ca993b850c
SHA1 hash:
6cdbead20aacf07686895ab24125897209c26fff
Detections:
AgentTeslaXorStringsNet
SH256 hash:
fb5a97acf9b392addd2c222672ee4d97b6d1a39e6877734db1cb012f6a356793
MD5 hash:
04e6fd0b458a56f743ffd46cc3271cd0
SHA1 hash:
189a83c559a922c84ec2a1d8c9b3894400d59284
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.

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