MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514
SHA3-384 hash: eb36ceb44a43ffc6b67c990949627bfa88a793403d71b68b60d82e745c9578e665504bb6ad748bee2d8553476335ec82
SHA1 hash: 185eee12f12d93471d778e0bb7c4d2f6602db384
MD5 hash: 7c2a874ed40f3c2d11af08ab64f72007
humanhash: don-jupiter-mexico-whiskey
File name:ROS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'277'952 bytes
First seen:2021-04-30 08:27:51 UTC
Last seen:2021-04-30 10:02:26 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:kr4sKkoLAKKu0EBlWSirSEgfDx/G6gjl01w4Ad++++4+++++++0+++++++:VsyBPniOEgLxO6+lALQ++++4+++++++Z
Threatray 5'027 similar samples on MalwareBazaar
TLSH 79456CA8715071EDC2178C329BCA9C3183122D746617E51B93A23FBF7A2ED632E35985
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/147298/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.696.21507.19747.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/704319
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 401084 Sample: ROS.exe Startdate: 30/04/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 7 other signatures 2->51 7 ROS.exe 6 2->7         started        11 ppptOL.exe 2 2->11         started        13 ppptOL.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\LJepEsblD.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp4FB9.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\Local\...\ROS.exe.log, ASCII 7->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 43 2 other signatures 15->43 25 conhost.exe 19->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 03:36:22 UTC
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3izxevuu7l7gtmfher4ks5a24lvmtuuuszxrmaqeve7cp5yrwuka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08caa9af8bc3d72fc768962c2319b86c9712a2437e6ca0e7cca8fc1049536def
AgentTesla
3ee4e620dd7cb6d8a6f604e5653a4f5cbf1258032ffc7d13ae9a415c672a5713
AgentTesla
6c774012ef6641580ad729f00e565e5ab5a13e7eeca97b510f2e2e9e101b9375
AgentTesla
71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb
AgentTesla
790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50
AgentTesla
8d10af8f247bb74f1a3d0878785f3afa173c82d4c881f29dd5b60ea6ed5f6b90
AgentTesla
b8b373ce2f5835b617f904b50e5e594232982967ea1a12b35bd085c83aa057bb
AgentTesla
b8e4c54f15ac8fc84223e2460f6201401c960851b4006d61360caa57c34af3ed
AgentTesla
d375f6f780b9623c85714c9fadae46359a8e308bdeaee7e2161a86c0a89c7d06
AgentTesla
f39980b6f513345fde2aad18cb790595c8cb64139cb0aa1686d6c4e7c8b24e2b
AgentTesla
+ 5'017 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210430-nthph7ajsa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/aaaca55a-3318-4e19-bb12-8901fdf32958/
SH256 hash:
d529dcbe17c0867c5d1d468135e9f4fc28356829c816feeab8ef00cb2022dce9
MD5 hash:
064754b0c22edeec372ae3e9b5f6a881
SHA1 hash:
e98e9dcae439e4c73b807a777ae89aa56b59e913
Link:
https://www.unpac.me/results/aaaca55a-3318-4e19-bb12-8901fdf32958/
SH256 hash:
7bb720ea5bc3e75165d31b73f48b8c6464783120e83df136f38d99ee31368da2
MD5 hash:
165a284c636afc519fa339d2bfd34644
SHA1 hash:
bd630387e038f58bb01b30e7359310531075d213
Link:
https://www.unpac.me/results/aaaca55a-3318-4e19-bb12-8901fdf32958/
SH256 hash:
da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514
MD5 hash:
7c2a874ed40f3c2d11af08ab64f72007
SHA1 hash:
185eee12f12d93471d778e0bb7c4d2f6602db384
Link:
https://www.unpac.me/results/aaaca55a-3318-4e19-bb12-8901fdf32958/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Malspam

AgentTesla

7z cbd06ea1ae896c17588156b66ef6170ac14b332aa7ffb85d29c627a68fb13920

AgentTesla

Executable exe da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514

(this sample)

  
Dropped by
MD5 004702e2ebcc8a9c9f18d39bc7f23d56
  
Dropped by
SHA256 cbd06ea1ae896c17588156b66ef6170ac14b332aa7ffb85d29c627a68fb13920
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/147298/

Comments