MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa4796d84dc326ad08f465f59aa06da962f352244448a26af46e935649dd9e15. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: aa4796d84dc326ad08f465f59aa06da962f352244448a26af46e935649dd9e15
SHA3-384 hash: 9148a0ac6da32ffa122aadcbcf1f4d44fcf58dfa51ad84297df8a0a7c54f72c7dbf8fd97359e79b2008ac12b71e603ac
SHA1 hash: a095bccc87f75b2c77c782e2b3e8c968533c99f3
MD5 hash: b1149708e8e0bbe6d4c5817e3a14eed6
humanhash: oranges-montana-cat-equal
File name:b1149708e8e0bbe6d4c5817e3a14eed6.exe
Download: download sample
Signature AgentTesla
File size:1'108'992 bytes
First seen:2021-04-26 13:02:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:n2PCwbVMpcfRd38458uJHUvxCbLwrpXcWn184AE3pS:UMpNvuavldo8p
Threatray 4'249 similar samples on MalwareBazaar
TLSH 2C35F12092986B55E07DA3798170C43483FAFE27D322D79D6EC8BCD73972B818646B53
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b1149708e8e0bbe6d4c5817e3a14eed6.exe
Verdict:
Malicious activity
Analysis date:
2021-04-26 13:08:49 UTC
Tags:
n/a

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 UDP request
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 very large array initializations
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
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)
Sigma detected: Scheduled temp file as task from temp location
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 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: 397905 Sample: SD15Ov2U9n.exe Startdate: 26/04/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 SD15Ov2U9n.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\msVavVv.exe, PE32 7->21 dropped 23 C:\Users\user\...\msVavVv.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp71B3.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\SD15Ov2U9n.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Injects a PE file into a foreign processes 7->45 11 SD15Ov2U9n.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 SD15Ov2U9n.exe 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49740, 587 NAMECHEAP-NETUS United States 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 2 other signatures 11->53 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Infostealer.Coins
Status:
Malicious
First seen:
2021-04-26 10:00:33 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
SH256 hash:
aa4796d84dc326ad08f465f59aa06da962f352244448a26af46e935649dd9e15
MD5 hash:
b1149708e8e0bbe6d4c5817e3a14eed6
SHA1 hash:
a095bccc87f75b2c77c782e2b3e8c968533c99f3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe aa4796d84dc326ad08f465f59aa06da962f352244448a26af46e935649dd9e15

(this sample)

  
Delivery method
Distributed via web download

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