MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38ffaeb68f1b6522a4d6b9fc9902b8ca07bee7d8f505b376eae35bb05deea453. 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 4 File information Comments

SHA256 hash: 38ffaeb68f1b6522a4d6b9fc9902b8ca07bee7d8f505b376eae35bb05deea453
SHA3-384 hash: 0277e8b9aa68090382e0b1a94e9025db88745a5c3e78643928d606dece1e093bc4601573267690f3b7584bc2c87b4591
SHA1 hash: 02bf77a47d14380c35003d6822357dd2e8aaa6d1
MD5 hash: 54dbbd5410acf4c7ac1e03ab0fa3b789
humanhash: aspen-thirteen-princess-oranges
File name:54dbbd5410acf4c7ac1e03ab0fa3b789.exe
Download: download sample
Signature AgentTesla
File size:2'248'192 bytes
First seen:2021-03-08 13:57:31 UTC
Last seen:2021-03-08 16:04:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:C7tiq/hPm507QpGIsWb5cen0EsKmk3HBiqnhsi/ulAP+nCQHXCpyGslfrs:C3+XGIsWnsLk3hlGxl0gHyp
Threatray 20 similar samples on MalwareBazaar
TLSH 3DA5392243E9AF18F57E5B741A3064049BF67963CF72D25DBD8D90E90FA6F018A13722
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
07MAR2021 -.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-08 09:08:49 UTC
Tags:
encrypted exploit CVE-2017-11882

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
Binary contains a suspicious time stamp
Found malware configuration
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)
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 AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364592 Sample: Tlhp3jfk3X.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 8 other signatures 2->39 7 Tlhp3jfk3X.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\tVPpFzmlJQKKi.exe, PE32 7->21 dropped 23 C:\...\tVPpFzmlJQKKi.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp283B.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\Tlhp3jfk3X.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 11 Tlhp3jfk3X.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        17 Tlhp3jfk3X.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49734, 49736, 587 YANDEXRU Russian Federation 11->29 31 smtp.yandex.com 11->31 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 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-03-08 09:21:47 UTC
AV detection:
16 of 28 (57.14%)
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:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
38ffaeb68f1b6522a4d6b9fc9902b8ca07bee7d8f505b376eae35bb05deea453
MD5 hash:
54dbbd5410acf4c7ac1e03ab0fa3b789
SHA1 hash:
02bf77a47d14380c35003d6822357dd2e8aaa6d1
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 38ffaeb68f1b6522a4d6b9fc9902b8ca07bee7d8f505b376eae35bb05deea453

(this sample)

  
Delivery method
Distributed via web download

Comments