MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1. 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 3 File information Comments
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SHA256 hash: b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1
SHA3-384 hash: d34b8f5777c7cf233a8b1fc4fd809165a27616e728382f2d7c3b436a7ee72d566754ae336e2a7998af9449d3c54db20d
SHA1 hash: 4770585ad135009ace3f2def9cc8bebb7efd4f7b
MD5 hash: 56501ee7dfddb130e455a5cd952994e1
humanhash: lake-victor-mars-ack
File name:SG1_000000123205044_1.pdf.gz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:941'568 bytes
First seen:2021-04-07 05:19:51 UTC
Last seen:2021-04-08 05:40:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:OgbMjVDnQBKNFWIenl6Xr3w8+AK6TgBROMQ:wjlnQoFW1PFAKKgGM
Threatray 3'731 similar samples on MalwareBazaar
TLSH 0C15BD222EC96FE4F17E7735DC60702053F1ADD7A226FE497CB8B0881575A83827265E
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
10
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SG1_000000123205044_1.pdf.gz.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 05:23:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4e381b38-e86b-4c21-8846-69b6e6a57c32

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/132731/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CPN.genEldorado.2590.27546.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/668208
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Moves itself to temp directory
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 383035 Sample: SG1_000000123205044_1.pdf.gz.exe Startdate: 07/04/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 5 other signatures 2->45 6 SG1_000000123205044_1.pdf.gz.exe 3 2->6         started        10 outlook.exe 3 2->10         started        12 outlook.exe 2->12         started        process3 file4 21 C:\...\SG1_000000123205044_1.pdf.gz.exe.log, ASCII 6->21 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 SG1_000000123205044_1.pdf.gz.exe 2 9 6->14         started        53 Machine Learning detection for dropped file 10->53 19 outlook.exe 2 10->19         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49739, 49740, 587 YANDEXRU Russian Federation 14->27 29 smtp.yandex.com 14->29 23 C:\Users\user\AppData\Roaming\...\outlook.exe, PE32 14->23 dropped 25 C:\Users\user\...\outlook.exe:Zone.Identifier, ASCII 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Moves itself to temp directory 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 3 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-04-07 05:20:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
7 of 48 (14.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeh3jhhne4itacmbcehi3bzllmuer2rujhxs3mkx34ct3rx6jhaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0007311d7ccdb22d05e828edd39abec574f7f18b6f7ad9262acd1e76a6f4b7de
AgentTesla
08a9731bcdb6f79e9ed7ccdcbde6ac02efdc59f5678bb02c0f28c65af5a2ddec
AgentTesla
1b467c02c56a9130e3fb9e62e0ee62aa6b950845c9858f95656e659b814699c3
AgentTesla
2e525c09344f83f1f77d92e492a3fe75158e5424dcc22be92a45870168275879
AgentTesla
566554b534a53102dd67fc20bd07ca49241b51616d73619e383e80bdfc4fe08a
AgentTesla
69536001b44238c3b5dd5100d6a198a0b192bdf2760d5272694a030d9adbe09d
AgentTesla
8942022e0a4d701eb39c483c716d246eb9f803afc7a87f778721df1b72a46ab2
AgentTesla
9863d85fe69d5b6a6dc3773b94f9f56cd836f78b9cee4e1d28d8fdb2a5a42f2f
AgentTesla
aeb333f991b9db4140b8c84c574510ec6571b9b5e8d8d2fcc631098b36a79f49
AgentTesla
d01af87f10163ca735092945c5bc8710856ee81399a15be1a1d0007f0a1e167c
AgentTesla
+ 3'721 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/210407-6g55g3q3nn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
Link:
https://www.unpac.me/results/b998a971-a801-4fb1-93c1-15d7798a9fa2/
SH256 hash:
b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1
MD5 hash:
56501ee7dfddb130e455a5cd952994e1
SHA1 hash:
4770585ad135009ace3f2def9cc8bebb7efd4f7b
Link:
https://www.unpac.me/results/b998a971-a801-4fb1-93c1-15d7798a9fa2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1

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: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

gz 8b0b16714efce9bf5433abf0aa20790d662b5c456f56e518075d78084763d94e

AgentTesla

Executable exe b90fb49ced2711300981110e8d872b5b2848ea3449ef2db157df053dc6fe49c1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8b0b16714efce9bf5433abf0aa20790d662b5c456f56e518075d78084763d94e
Cape
Cape
https://www.capesandbox.com/analysis/132731/

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