MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3
SHA3-384 hash: fc4289fd9d9268aa8253800483568b09d283b8575e1a2a410b40b92536245616f96487a0929bf914bb456f11f6121ac3
SHA1 hash: 8a0b06ef166d49ce2ffaaa0d33af72fe3d0e857b
MD5 hash: 0a0eceb2ec1e5e178256baef7761bb24
humanhash: network-don-nebraska-fish
File name:SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.24181
Download: download sample
Signature AgentTesla
Create hunting rule
File size:174'080 bytes
First seen:2022-06-06 12:47:03 UTC
Last seen:2022-06-06 20:30:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:fKqVRcQtJzZDksbl59Ch+qBvSY45w54QKBeX:fNHlLCgw4i7
TLSH T13404C78CBC98851CEEA9EA71191FF573FA297FCABA4C9B54C0447FD639721600A4D834
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 31b0d89692d87031 (6 x AgentTesla, 4 x Formbook, 1 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.24181
Verdict:
Malicious activity
Analysis date:
2022-06-06 16:38:32 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/33d0fecf-86bf-4235-8531-0f301182a50c

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/277025/
Detection(s):
SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.24181.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/629df7851fdbb8e83145156d/reports/a6d742ff-3faa-49ba-a76c-a1009412c0ed/overview
Result
Verdict:
UNKNOWN
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:
AVEMARIA
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24fd63a0-2756-4624-b712-ce25b3868f8e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007353
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 ftp login credentials
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: 639849 Sample: SecuriteInfo.com.W32.Agent.... Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 56 smtp.yandex.ru 2->56 58 smtp.yandex.com 2->58 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 8 other signatures 2->70 8 SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.exe 16 7 2->8         started        13 Aqeuhez.exe 14 4 2->13         started        15 Aqeuhez.exe 3 2->15         started        signatures3 process4 dnsIp5 60 mickey51.com 43.242.128.230, 49741, 49768, 49772 SONDERCLOUDLIMITED-AS-APSonderCloudLimitedHK Hong Kong 8->60 62 192.168.2.1 unknown unknown 8->62 46 C:\Users\user\AppData\Roaming\...\Aqeuhez.exe, PE32 8->46 dropped 48 C:\Users\user\...\Aqeuhez.exe:Zone.Identifier, ASCII 8->48 dropped 50 SecuriteInfo.com.W...dorado.8224.exe.log, ASCII 8->50 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->82 84 Contains functionality to register a low level keyboard hook 8->84 17 SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.exe 6 8->17         started        22 cmd.exe 1 8->22         started        24 SecuriteInfo.com.W32.Agent.EIG.genEldorado.8224.exe 8->24         started        86 Multi AV Scanner detection for dropped file 13->86 88 Machine Learning detection for dropped file 13->88 90 Injects a PE file into a foreign processes 13->90 26 cmd.exe 13->26         started        28 Aqeuhez.exe 13->28         started        30 cmd.exe 15->30         started        file6 signatures7 process8 dnsIp9 52 smtp.yandex.ru 77.88.21.158, 49771, 49779, 49783 YANDEXRU Russian Federation 17->52 54 smtp.yandex.com 17->54 44 C:\Windows\System32\drivers\etc\hosts, ASCII 17->44 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file / registry access) 17->74 76 Tries to harvest and steal ftp login credentials 17->76 78 3 other signatures 17->78 32 conhost.exe 22->32         started        34 timeout.exe 1 22->34         started        36 conhost.exe 26->36         started        38 timeout.exe 26->38         started        40 conhost.exe 30->40         started        42 timeout.exe 30->42         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 10:25:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=647ykvzkd6fdyh2lo6phq7b4wgxo4zhxnvk3zqbelibkwj765orq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220606-p1rpkscefl/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
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
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
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3
MD5 hash:
0a0eceb2ec1e5e178256baef7761bb24
SHA1 hash:
8a0b06ef166d49ce2ffaaa0d33af72fe3d0e857b
Link:
https://www.unpac.me/results/6e315f05-6bec-47fc-8b43-827064ca425a/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f73f85572a1f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

img b995790bfb066d6ebfb9648f64d209bfba5e1ed3e72b2e5e679eb305d499bbba

AgentTesla

Executable exe f73f85572a1f8a3c1f4b779e787c3cb1aeee64f76d55bcc0245a02ab27feeba3

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/277025/
  
Dropped by
SHA256 b995790bfb066d6ebfb9648f64d209bfba5e1ed3e72b2e5e679eb305d499bbba
  
Dropped by
MD5 5cfe63a6437ff843fd12d3b649dd9e0d

Comments