MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 123aea7d858103b5eb5ddf661f60e59fadf4dfdd27b6f12f81d6e4d667507013. 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 15 File information Comments

SHA256 hash: 123aea7d858103b5eb5ddf661f60e59fadf4dfdd27b6f12f81d6e4d667507013
SHA3-384 hash: 02be2e398915111e86036e27fe96dc31c9f7ba77c463f9751f580ee8ef39e4241b6f54ddcaf21f07660d9fadeaeddeb3
SHA1 hash: 46499011f5acda5b7da7060e92a90c8d0dcf8d5c
MD5 hash: 03a74f6f9bb8f16703dbcbb014f41961
humanhash: august-artist-berlin-delaware
File name:rSTATEMENTOFACCOUNT.exe
Download: download sample
Signature AgentTesla
File size:738'304 bytes
First seen:2024-01-22 11:36:35 UTC
Last seen:2024-01-22 19:11:44 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 12288:5Z9/T+yFw7MlyePFLVoq3FaiO01tZ+hT5pOAoGZqXXt0jZQOaQgiDtbQv:JNwYlyePRVoMFaUtZ25RuXt0jZwApQ
TLSH T178F40119B7A1CD51C2ED6A3BC0E351141331CA87A123D74A7BD9A35A06437FF1D8EB8A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
333
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
123aea7d858103b5eb5ddf661f60e59fadf4dfdd27b6f12f81d6e4d667507013.exe
Verdict:
Malicious activity
Analysis date:
2024-01-22 11:41:54 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 file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hook keylogger lolbin masquerade packed shell32
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 domain / URL
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
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1378675 Sample: rSTATEMENTOFACCOUNT.exe Startdate: 22/01/2024 Architecture: WINDOWS Score: 100 38 mail.commtechtrading.com 2->38 40 commtechtrading.com 2->40 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 rSTATEMENTOFACCOUNT.exe 7 2->8         started        12 RNrFHmbRACe.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\RNrFHmbRACe.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\Temp\tmp2E2.tmp, XML 8->36 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 14 rSTATEMENTOFACCOUNT.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 RNrFHmbRACe.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 commtechtrading.com 173.236.63.6, 49724, 49728, 587 SINGLEHOP-LLCUS United States 14->42 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->64 66 Tries to steal Mail credentials (via file / registry access) 22->66 68 Tries to harvest and steal browser information (history, passwords, etc) 22->68 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2024-01-18 12:39:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 38 (55.26%)
Threat level:
  1/5
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
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
Unpacked files
SH256 hash:
279490c8444e4b468414652cc2cca0ce0b00f99f5c4d471c537a1377616d4c1e
MD5 hash:
ed98f665a65e0ec496a27933cffbc3fd
SHA1 hash:
d4e8eb61c49be358e932f981abf86b237b1d9c40
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
d1ad49df0c793aa87f0a44ca8154d61002a051434e2c2690e063915525632130
MD5 hash:
d8198c8167ff7d0020e564542a9441a3
SHA1 hash:
6a2e74125573995fa45747895b76d0c1b59852c3
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
59a4c0e18385086fddfb144894911693054cd870fea69a7784f77da5381a78de
MD5 hash:
914b8fb7b0c9ef79f7aef2dc1fd454ca
SHA1 hash:
4e2a55c78a7c28a12407bdd7e97cf2f258194094
SH256 hash:
123aea7d858103b5eb5ddf661f60e59fadf4dfdd27b6f12f81d6e4d667507013
MD5 hash:
03a74f6f9bb8f16703dbcbb014f41961
SHA1 hash:
46499011f5acda5b7da7060e92a90c8d0dcf8d5c
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Malspam

AgentTesla

Executable exe 123aea7d858103b5eb5ddf661f60e59fadf4dfdd27b6f12f81d6e4d667507013

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments