MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d2ec5676bd28d3f00ee24b10116feb9540e6bd015b86c8579a716a1237096c8. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 2d2ec5676bd28d3f00ee24b10116feb9540e6bd015b86c8579a716a1237096c8
SHA3-384 hash: 3c33be4aa1845634430b0568acf5f10c899704228f1e75e930c742493a0bc51f28b1ba367f1e0e27d5275965c5ca41f1
SHA1 hash: 1fcc29ee7df95e89489baf06e86ec0cc39ee2b4f
MD5 hash: 4ae123b8dd8f2108225f3731453117cd
humanhash: oxygen-comet-orange-indigo
File name:rContract.exe
Download: download sample
Signature AgentTesla
File size:850'432 bytes
First seen:2023-11-20 14:45:55 UTC
Last seen:2023-11-20 16:15:29 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 24576:kDEJtusmZ5rrQOG5NVcpIeY4wrPxeb/sw3EF99r:wCDmZS5rn4gPx632r
TLSH T13905F43C1B9E0667FC79D6A7EFE08127B160AAE7F119DD24D8D703865702A02B4D427E
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)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
314
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
rContract.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 14:47:04 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
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: 1345230 Sample: rContract.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 40 api4.ipify.org 2->40 42 api.telegram.org 2->42 44 api.ipify.org 2->44 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 8 rContract.exe 7 2->8         started        12 NtYChUjWpBFq.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...36tYChUjWpBFq.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp1B9D.tmp, XML 8->38 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 rContract.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 NtYChUjWpBFq.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 api4.ipify.org 64.185.227.156, 443, 49707, 49711 WEBNXUS United States 14->46 48 api.telegram.org 149.154.167.220, 443, 49708, 49712 TELEGRAMRU United Kingdom 14->48 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->68 70 Tries to steal Mail credentials (via file / registry access) 24->70 72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-17 14:49:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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/bot6820629737:AAGJ8tOkoD9jFHkd_L1kG1ntQ1J6zLhFsMc/
Unpacked files
SH256 hash:
c27d7837396584c624066dfa8bc2c7f4398eccc60ce2d78aa74758753fe6589e
MD5 hash:
05c86c3310f53dfd0c3ccd34811206b3
SHA1 hash:
d72092b5b9e438293d0aba8a218644225203a111
Detections:
win_agent_tesla_g2 Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
3f0da3523dabd89b7f2b63b992036d8874f8a565dc158e1509c45cf7063d12ae
MD5 hash:
1d18bda32c4079fb120c4205108216dc
SHA1 hash:
4322c432ecb204ea35283ebd45d70519a192edda
SH256 hash:
2d2ec5676bd28d3f00ee24b10116feb9540e6bd015b86c8579a716a1237096c8
MD5 hash:
4ae123b8dd8f2108225f3731453117cd
SHA1 hash:
1fcc29ee7df95e89489baf06e86ec0cc39ee2b4f
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:NET
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.

Malspam

AgentTesla

Executable exe 2d2ec5676bd28d3f00ee24b10116feb9540e6bd015b86c8579a716a1237096c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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