MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82
SHA3-384 hash: 4bb5609f8b9c30eb08c9c9e12803876a252ff3cd04717aea01715b8d9dcc7f759731cadcdef4e7a41ef08fe06f50ba94
SHA1 hash: 8aa2c3888690bfc0f9749c3d171be7a6da624b81
MD5 hash: 85e2728418bd86abd38a4f952a8fb9bb
humanhash: kilo-bulldog-oven-pluto
File name:Order_Specification_10282021.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:591'360 bytes
First seen:2021-10-28 16:17:05 UTC
Last seen:2021-10-29 05:32:43 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 12288:OKjiYQsG6Im6hPGfhBZpN9TcHn+2CPyZgTrqC+xog6fnjqJ20:tj5GxpkBZP9Tce1Kgd+xog
Threatray 11'188 similar samples on MalwareBazaar
TLSH T1E8C4CE0B725CB79EC15A8F76B4751C309A60AFA31302D603B9D3ED9D492E3CD9E056E2
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/201001/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab8139de-44fc-44f1-a138-041ff2759f4a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/878751
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
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: 511187 Sample: Order_Specification_1028202... Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 7 other signatures 2->41 7 Order_Specification_10282021.pdf.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\dLbvCbGkvkC.exe, PE32 7->23 dropped 25 C:\Users\...\dLbvCbGkvkC.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp321F.tmp, XML 7->27 dropped 29 Order_Specification_10282021.pdf.exe.log, ASCII 7->29 dropped 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Injects a PE file into a foreign processes 7->47 11 Order_Specification_10282021.pdf.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        17 Order_Specification_10282021.pdf.exe 7->17         started        19 Order_Specification_10282021.pdf.exe 7->19         started        signatures5 process6 dnsIp7 31 ftp.symmdentaesthetics.com 143.95.232.76, 21, 41248, 49818 ASMALLORANGE1US United States 11->31 33 192.168.2.1 unknown unknown 11->33 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 16:18:06 UTC
AV detection:
14 of 27 (51.85%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bh2d4qgvrlhwese7m22df2slrxm2ndsocg2me4ibwuotiyqazsba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e
AgentTesla
38aeafd284cbe435d1c9c5983ed056c010a6381e7ba180a68ebeba5845760511
AgentTesla
75f6374491566750d7e612fd8780eca93d8a577a80dfaa3520d8667037065e7c
AgentTesla
77a9652b29e432e9a9bdf2698fc841b88153739300f329d39fc8ada898390539
AgentTesla
9473ba282d493f6b4e5eddcccddc1e998b3c2d215801cd94cb793b36d1c6b71b
AgentTesla
973d4ea9eacd23f874776f6f91fb2353316f985b76ba2b5d42b054da9774057f
AgentTesla
d0ea4f900f8488c932a1cfdbe0309553f9cc11f578fd17ef1a92447e02e5b042
AgentTesla
d43c6aba8577d6f6e846545d25587748ff13e676320936f4c3104ba94e22e24c
AgentTesla
+ 11'178 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211028-tryhzsgfen/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
fd414d389cede30da8ba9ab4aaa8f898584c5c4d3078712c2a9fa1f44d1c3c98
MD5 hash:
d0ec94a22c355bf8a2e0e3fb464a7ad5
SHA1 hash:
fbdb06cebf6ae1a4dddb524ba93afd6ba917d37c
Link:
https://www.unpac.me/results/3c7563c1-b2ff-4716-b7da-30f3ca5ca24e/
SH256 hash:
2fbc973a8aae0a59cda40897df3a17f99e978ebc634c8c112896b6f87132ce9f
MD5 hash:
bfd5cce5bb43c8dcc5a6b87a389b7966
SHA1 hash:
08f0517f9a7c1534439a89ba631e0857e74dbf2a
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/3c7563c1-b2ff-4716-b7da-30f3ca5ca24e/
Parent samples :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 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/3c7563c1-b2ff-4716-b7da-30f3ca5ca24e/
SH256 hash:
09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82
MD5 hash:
85e2728418bd86abd38a4f952a8fb9bb
SHA1 hash:
8aa2c3888690bfc0f9749c3d171be7a6da624b81
Link:
https://www.unpac.me/results/3c7563c1-b2ff-4716-b7da-30f3ca5ca24e/
Malware family:
Agent Tesla v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/09f43e40d58a/report/overview.html
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/09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTesla_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_telegram_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/b4ceef1e-a649-44b7-9e0c-e53c3ab05354
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

Executable exe 09f43e40d58acf62489f66b432ea4b8dd9a68e4e11b4c27101b51d346200cc82

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201001/

Comments