MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4842082fa4563ef01ed73d0e10c46fb7f6502ad5e0472462766d283067cff9fe. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 4842082fa4563ef01ed73d0e10c46fb7f6502ad5e0472462766d283067cff9fe
SHA3-384 hash: 282a4b2578acf9ce819992653d33dabb176b4069878c9ca5f62a72516b6e3320aa01fce04690d99f0f8c86e0b7993baf
SHA1 hash: 97fa1307f4cc6eb0cd4c5f026635ef324e0505f6
MD5 hash: b1e6a4300ddf51294c521d5cebc6c240
humanhash: bakerloo-winner-red-paris
File name:SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.21058.10140
Download: download sample
Signature AgentTesla
File size:729'600 bytes
First seen:2023-09-14 21:32:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:P41XQ4tM0PPFpy1UocUj1t/TgIll/YMrTmV5RDsKNAfd79fp69bf9Qj8FwLm/nP7:P41X1/PG1xjXdr05RDZNi7+tlQj8F6oj
Threatray 5'906 similar samples on MalwareBazaar
TLSH T10FF4F08036E89F27D0BE97F4413196180BFBAC5D2866E7488EC630DE79B1F858F44A57
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f8e4c688b4e46ca4 (7 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
289
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.21058.10140
Verdict:
Malicious activity
Analysis date:
2023-09-14 21:33:15 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
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 Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1308527 Sample: SecuriteInfo.com.MSIL.GenKr... Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 31 api.telegram.org 2->31 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 55 7 other signatures 2->55 7 NJFUCIF.exe 3 2->7         started        10 SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.21058.10140.exe 3 2->10         started        12 NJFUCIF.exe 2 2->12         started        signatures3 53 Uses the Telegram API (likely for C&C communication) 31->53 process4 signatures5 57 Antivirus detection for dropped file 7->57 59 Multi AV Scanner detection for dropped file 7->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Machine Learning detection for dropped file 7->63 14 NJFUCIF.exe 14 2 7->14         started        18 NJFUCIF.exe 7->18         started        65 May check the online IP address of the machine 10->65 67 Injects a PE file into a foreign processes 10->67 20 SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.21058.10140.exe 17 5 10->20         started        23 NJFUCIF.exe 12->23         started        25 NJFUCIF.exe 12->25         started        process6 dnsIp7 33 104.237.62.212, 443, 49699 WEBNXUS United States 14->33 35 api.ipify.org 14->35 37 api4.ipify.org 64.185.227.156, 443, 49696 WEBNXUS United States 20->37 39 api.telegram.org 149.154.167.220, 443, 49697, 49698 TELEGRAMRU United Kingdom 20->39 41 api.ipify.org 20->41 27 C:\Users\user\AppData\Roaming\...27JFUCIF.exe, PE32 20->27 dropped 29 C:\Users\user\...29JFUCIF.exe:Zone.Identifier, ASCII 20->29 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->69 71 Tries to steal Mail credentials (via file / registry access) 20->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->73 43 173.231.16.77, 443, 49708 WEBNXUS United States 23->43 45 api.ipify.org 23->45 75 Tries to harvest and steal browser information (history, passwords, etc) 23->75 77 Installs a global keyboard hook 23->77 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-14 21:33:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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/bot6594210118:AAHuAt1qNRp37Dy2ZnpVHBmm4lsphpPTd6Y/
Unpacked files
SH256 hash:
c1fe8d3badc688c0a05257a8286549248e31915ec69c0025485ab2a63b8a243a
MD5 hash:
a45ca51222827b07ecc90e8383c84577
SHA1 hash:
cd0d525752dda51036c31d024997570efe98d528
SH256 hash:
0cc2d545cdbc9aca7ac5732fc2e1858bae1b8c575e67f0b4b8077610c5597806
MD5 hash:
604ba9fe5293c6b09155e9593e5fe8b4
SHA1 hash:
c9ca531c5c50091dcdeabea6af26643e897fe3f8
SH256 hash:
f86995c68f34c5d0935ba80c4f44a5616a6ca98895a63b24cee40f1863ba5faa
MD5 hash:
8283bbf03ee490e0e0534820cdd4c1d5
SHA1 hash:
867ed2a4c8391045af67894cf26ed386e098f2da
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
SH256 hash:
4842082fa4563ef01ed73d0e10c46fb7f6502ad5e0472462766d283067cff9fe
MD5 hash:
b1e6a4300ddf51294c521d5cebc6c240
SHA1 hash:
97fa1307f4cc6eb0cd4c5f026635ef324e0505f6
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments