MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3
SHA3-384 hash: b2725a5aeba9d2d7291b8e95efed43f44a872605dc7c4bd84e280e599e9f58fd7ced8b7a7c84d7b5354e1e2b268bab41
SHA1 hash: bf5ada6e1631bf27876ad200a7c00b289f873f32
MD5 hash: 591918a399a30987a65177ab3f6b4d38
humanhash: solar-neptune-alabama-cold
File name:Pl.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'348'096 bytes
First seen:2021-06-17 05:39:28 UTC
Last seen:2021-06-17 06:48:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:9Q83PU3vMzAGQ4fITgLLt/vbthSdP0fzj1S5m:9pAGDfIELdb/v
Threatray 5'904 similar samples on MalwareBazaar
TLSH 1755189D3650B1DFC85BCD32CE641C68EA60B87A870BD603A05716ACDE4DA9BCF151F2
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pl.exe
Verdict:
Malicious activity
Analysis date:
2021-06-17 05:41:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/10ef61ca-1f8b-4173-b2af-c3780b366240

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/166480/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.4743.7612.UNOFFICIAL
Create hunting rule

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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b0f5e2cc-02ab-4cd1-ab51-3b8dd39d2ffb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/803501
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
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 435912 Sample: Pl.exe Startdate: 17/06/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 7 Pl.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\auquIT.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpDB32.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\Local\...\Pl.exe.log, ASCII 7->33 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 15 Pl.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        59 Multi AV Scanner detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 schtasks.exe 1 11->21         started        23 kprUEGC.exe 2 11->23         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->35 dropped 37 C:\Windows\System32\drivers\etc\hosts, ASCII 15->37 dropped 39 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->39 dropped 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-17 02:09:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpyvwua3gat3xunds5iischiitzv7vra77s6pjtrcrihr464rdbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a1e668f56dc34760326f1f30dff5d370116d15298887fbf69cb6c676f45af3a
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
637c0976355242b7558217bdbd1633f865293d3c1868f4d0abeb153464044d91
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
77dafc4c23c98c2d0518eb6bcee7cfc13128c249dafc4d5faefbfb67425f40e1
AgentTesla
8f1c6087ec7992ecb1a30e6c156d10fc573641525d4f1cad05acfff0526ab5a3
AgentTesla
b18a8dc6d225d963259d1b3547450946822cf8a6e7b62a7cff5705a844cdbcf6
AgentTesla
b786e3919cd022e14e2b733ce3616cc8614dc3d0668f562dbceaa20709fcc36e
AgentTesla
d08222dfb92c317e63590fbe016ab4cd1f462b1aa49ab5760ad6f9f0eaa22f32
AgentTesla
ec5f9f7e91d92d5676b928f6b88f3d7e429b948811eb5c8358f36cffe67a97df
AgentTesla
+ 5'894 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/210617-ryy6qsx392/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2c6d204dee77827ea8f2664203518942e67780e98545dbbe643fce101fdb4b41
MD5 hash:
65be4f44ade44395061204b2fbb282a1
SHA1 hash:
e003be68439db39b9ec2cdae900350915e8cb9a2
Link:
https://www.unpac.me/results/d90e311b-1d75-4344-9bf8-f56184d1cf6d/
SH256 hash:
4fd5bdbda5643ae645fdb1659b50aad7e1dfd166278b4595291b91a73d97b04b
MD5 hash:
671b2651affc2c572310bf9c3a5c2d08
SHA1 hash:
947f57f5909bcea6ad31be9b9ab24edf605c64e7
Link:
https://www.unpac.me/results/d90e311b-1d75-4344-9bf8-f56184d1cf6d/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/d90e311b-1d75-4344-9bf8-f56184d1cf6d/
SH256 hash:
83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3
MD5 hash:
591918a399a30987a65177ab3f6b4d38
SHA1 hash:
bf5ada6e1631bf27876ad200a7c00b289f873f32
Link:
https://www.unpac.me/results/d90e311b-1d75-4344-9bf8-f56184d1cf6d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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
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

rar c6714fbd60738fd5358cdb3b171d401826e3e4a30aec30427844b33324b16ea8

AgentTesla

Executable exe 83f15b501b3027bbd1a397508908e844f35fd620ffe5e7a671145078f3dc88c3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 c6714fbd60738fd5358cdb3b171d401826e3e4a30aec30427844b33324b16ea8
  
Dropped by
SHA256 6dd7506b228e1821ffa012f2fa39d1cd30b781e42f7caaf2b783a96d4fbdb40f
Cape
Cape
https://www.capesandbox.com/analysis/166480/

Comments