MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03aac124fd5e491ad365970681fe1a263e52d767039a6a27db3ffdbca9805097. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 03aac124fd5e491ad365970681fe1a263e52d767039a6a27db3ffdbca9805097
SHA3-384 hash: b9d67eb29dcb95cb641dd6d15f467ba8cc97e153ff23163e795e157a5a2932abaa2ca06a5ea1be8c2adf44c4cc39e462
SHA1 hash: 29438fef7ac3cf75d11223600405a96f336e8f6f
MD5 hash: 6a13aaba5e2cf3e51a64ca8d67f7c6e3
humanhash: romeo-indigo-arizona-football
File name:6a13aaba5e2cf3e51a64ca8d67f7c6e3.exe
Download: download sample
Signature AgentTesla
File size:811'008 bytes
First seen:2021-07-24 07:02:42 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:ZSAaseOtN7z9ZqGeeNw5zxIA+KOO5V8cvx/6:YAa7Cx8GeUw5zxHOO9vxC
Threatray 7'335 similar samples on MalwareBazaar
TLSH T1A005F4A4265A4953F12285B7F012EFA0EEF03E122601CD1659D6FF873D222C29E9DD5F
dhash icon 10f0c4c8c8c4f010 (26 x AgentTesla, 18 x Smoke Loader, 10 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a13aaba5e2cf3e51a64ca8d67f7c6e3.exe
Verdict:
Malicious activity
Analysis date:
2021-07-24 07:03:56 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 453596 Sample: QwcBwtbWYH.exe Startdate: 24/07/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->45 47 9 other signatures 2->47 7 QwcBwtbWYH.exe 6 2->7         started        11 MLdAu.exe 5 2->11         started        13 MLdAu.exe 2 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\XPjmRVswf.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp535E.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\...\QwcBwtbWYH.exe.log, ASCII 7->33 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 15 QwcBwtbWYH.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 21 schtasks.exe 1 11->21         started        23 MLdAu.exe 11->23         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\MLdAu.exe, PE32 15->35 dropped 37 C:\Users\user\...\MLdAu.exe:Zone.Identifier, ASCII 15->37 dropped 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-24 07:03:07 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
3c9f552765104183e47e238fdae5ff82210b46af1f9b511ee8aa9e41f19b4077
MD5 hash:
7aed072fc2b30310efc248a2bafc7dda
SHA1 hash:
9e956bce77fc925854d6800b6fb4647dfb813e26
SH256 hash:
559f4f45398623e1b9f142b591055c9bfb6dc34bd0cb3713fa71b3fc19ecd0b6
MD5 hash:
2b9fc8e5ece93d383adcfd45b3c556b8
SHA1 hash:
3ea53d584c5295c34afdedfde6637805b4ecf3a3
SH256 hash:
03aac124fd5e491ad365970681fe1a263e52d767039a6a27db3ffdbca9805097
MD5 hash:
6a13aaba5e2cf3e51a64ca8d67f7c6e3
SHA1 hash:
29438fef7ac3cf75d11223600405a96f336e8f6f
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 03aac124fd5e491ad365970681fe1a263e52d767039a6a27db3ffdbca9805097

(this sample)

  
Delivery method
Distributed via web download

Comments