MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aecc448528a1ad1716ef2b2fa52c0c8b857821177d9bfdfde834c0429bcaf08f. 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 15 File information Comments

SHA256 hash: aecc448528a1ad1716ef2b2fa52c0c8b857821177d9bfdfde834c0429bcaf08f
SHA3-384 hash: 5b385ae3b92fad9b60d98c53fde8e26cb29e96a0bac4b91eea8209e3b0b5a3f10074295b7e65e7d32787d251591dfaea
SHA1 hash: 2939951acaff8eaa8d3b52f14516f3cdc94bc7af
MD5 hash: 66f1c13666e817a1bfe38ab8f136ae10
humanhash: mockingbird-whiskey-crazy-kentucky
File name:Transfer Request Form - PI.exe
Download: download sample
Signature AgentTesla
File size:412'672 bytes
First seen:2023-11-27 14:42:07 UTC
Last seen:2023-11-27 16:41:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:QuXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXcXXXXXXXXAXXXXXXXXXXXXXXub3FM7Hu:QF3+KFaM+5C
TLSH T1F394F110ED9DC223E8D71B3BE5F151A202B0229635B3DF5D1EACB1B2C51679325923BB
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)
File icon (PE):PE icon
dhash icon 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
296
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Creating a window
Stealing user critical data
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
.NET source code references suspicious native API functions
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-27 05:52:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
cf3cb1ed1ab91dd1aca86208468b26e891f535f75ebff7e83184cc306fc931d4
MD5 hash:
2adaed22e634cca06d543f6526b7dbca
SHA1 hash:
be0ad51699017d10ef6006b3d4a1f42c59fc2b07
SH256 hash:
6e8aa3ec5112adc5e4c7728120183cbecb675df70545b2a11f3a499a979f196e
MD5 hash:
2267b02d26947a31f14a89f8dbac7de0
SHA1 hash:
ab1b95bfb05568eee6743451f9e3857d71d10efb
SH256 hash:
6c0c58997b72153eff83b005e76d03b1cfd01a264b4767296aef1f34d4635eac
MD5 hash:
82f808a36e640a5b8cb3619c64717c79
SHA1 hash:
19890712d5ddcd189b57a559361cc12482157b5b
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
aecc448528a1ad1716ef2b2fa52c0c8b857821177d9bfdfde834c0429bcaf08f
MD5 hash:
66f1c13666e817a1bfe38ab8f136ae10
SHA1 hash:
2939951acaff8eaa8d3b52f14516f3cdc94bc7af
Malware family:
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
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: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