MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5
SHA3-384 hash: 13c8fd4961779b273554661fc375a673b94d85dc28a92c5c4ae7725e628235893443bc622bffb91a9262aeca66d4ddbc
SHA1 hash: b24e1202bd61607034b90b8ae9870daf6573d331
MD5 hash: 91bba2723d5456e4558cdd06d9ebde2f
humanhash: alanine-mars-snake-magnesium
File name:91bba2723d5456e4558cdd06d9ebde2f
Download: download sample
Signature AgentTesla
Create hunting rule
File size:655'360 bytes
First seen:2022-08-15 14:05:19 UTC
Last seen:Never
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:/Zq0Q2CkrWtRbgQIpyREm2qjr2BTf805cj1GcscuMHSPdNmfGLFX3StWgo:/ZdQsUgCj4rz02c6VLFHSq
TLSH T1B5D4016D27D18E12C85806B980E3963103FAD193B733D786BFD041E55E0BB668D8BB9D
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
CONTRACTXPI.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-15 06:54:31 UTC
Tags:
exploit CVE-2017-11882 loader keylogger stealer agenttesla
Link:
https://app.any.run/tasks/510ff319-67af-48fc-b480-88213c906bf0

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/298680/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Bladabindi.1.21027.12233.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa52dae456f39ac94c6166/reports/386e7c7c-043f-49af-8e87-8a4ce2571798/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/22e169ac-caa1-4581-baf4-d2d10a2c0db9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051586
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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 / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684096 Sample: CJButTaSHy Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 11 other signatures 2->51 6 CJButTaSHy.exe 3 2->6         started        10 newapp.exe 3 2->10         started        12 newapp.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\CJButTaSHy.exe.log, ASCII 6->25 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 CJButTaSHy.exe 17 9 6->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 newapp.exe 2 10->19         started        21 newapp.exe 14 6 12->21         started        23 newapp.exe 12->23         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49765, 49766 TELEGRAMRU United Kingdom 14->31 27 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->27 dropped 29 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 33 192.168.2.1 unknown unknown 21->33 41 Tries to harvest and steal ftp login credentials 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 08:44:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=czts6haoja2tgbvp4xp563wbm6wty6dgi5aeeanvrbdtgcet66sq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220815-redxpsede3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5589795934:AAHugQQYeiLHkRNl6c1_ntNzp_Ud_zOwM74/sendDocument
Unpacked files
SH256 hash:
1a3c84631f5de049287c3232a6ee2bcd28c892c6aa94d6584af7f45181708a8d
MD5 hash:
9cbe47788dae808c3ef12240cf1f4612
SHA1 hash:
0f2c184125ae9cedf14072527779920603219bbd
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
SH256 hash:
ba6acfeec02f0ab0613e2c3b97aed89664128ee87fcf07b10cd1ff4ddf65b104
MD5 hash:
19a6a4ef5af0838f09eeb04f795c3eae
SHA1 hash:
199991e8f8ecbe3cb611c99263c9d047ba49dc0a
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
SH256 hash:
af49f2dbf5b9f577d0b8355778da1a7ca6e5d2a3e5123277a17813212b873529
MD5 hash:
84a0f9599ffa40c14772cd0ed41bbb4e
SHA1 hash:
7e6f9b75d9d16133d22de25c10b621f183ccf20f
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
SH256 hash:
0106103040c6c9ac6914c65f93b7479e49b003f3faeb6440c29bc9616035c974
MD5 hash:
7a40603ccc9f64b822fc3704bcdc9771
SHA1 hash:
b1076d74cf6af44de97aa13fb2407dab090425a6
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
SH256 hash:
16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5
MD5 hash:
91bba2723d5456e4558cdd06d9ebde2f
SHA1 hash:
b24e1202bd61607034b90b8ae9870daf6573d331
Link:
https://www.unpac.me/results/3f21c81a-e375-4d2c-a338-7f241746b3d7/
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/16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe 16672f1c0e48353306afe5dfdf6ec167ad3c786647404201b58847330893f7a5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2272954/
Cape
Cape
https://www.capesandbox.com/analysis/298680/

Comments


Avatar
zbet commented on 2022-08-15 14:05:24 UTC

url : hxxp://79.110.62.213/EWE.exe