MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1aea514b658161770c47e07c649ee007937805cb5039bc90904bb85783dbff. 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 13 File information Comments

SHA256 hash: 8a1aea514b658161770c47e07c649ee007937805cb5039bc90904bb85783dbff
SHA3-384 hash: 3a343d23389607515d35ca3aea6cd8f2c124f0d14e14cd5dc327134bb858be6eaf9d073863ba28a686b75d3ea2d8224a
SHA1 hash: 5ead65c1717d8fb67de14013f42be25729838d14
MD5 hash: ad35ef5346336bb9b2e0eedab376af8a
humanhash: uncle-robert-winter-alaska
File name:FedEx Receipt_AWB#85021012746.exe
Download: download sample
Signature AgentTesla
File size:710'656 bytes
First seen:2023-12-05 07:14:15 UTC
Last seen:2023-12-05 09:18:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:Hl5nF8oVdqrlb9T5b+XKDl8lVBTMnd8fd/cqSbF5h/Lgse6q5g8goLg1vh3QjjyB:HlhqhbN5bWtJMn2dE5eh6qNLRjyFr
Threatray 3'330 similar samples on MalwareBazaar
TLSH T153E423C232CD4FAFC0FDA7324531905157B1918A11AAD60E6F96A0E10E7BF895E2CB73
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 0060696969716800 (8 x AgentTesla, 6 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe FedEx

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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 contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Contains VNC / remote desktop functionality (version string found)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 03:58:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
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 SetWindowsHookEx
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:
f040173ebd4a4c03b1b7561705e5514b0b1a6616a1a6afbf1d2d3f5c2170ec80
MD5 hash:
df9dca64ba938ae874e1a1235b03bdde
SHA1 hash:
bd1b88d4e583319bafddc33be2f7c9580a9fa98f
SH256 hash:
ccb1ec4e9e8b06f41373a85908c219fb2fe7d45498b25d48c1f8d2bfea86f9d5
MD5 hash:
895558c6e280883b5f0b9413572acbf6
SHA1 hash:
6472375f33b6bca6268c0b3fb6e3ca5e59ca0f7d
SH256 hash:
0cb3051a80a0515ce715b71fdf64abebfb8c71b9814903cb9abcf16c0403f62b
MD5 hash:
d46e60b1428677214fb5301517a5af45
SHA1 hash:
5e271d7a8a5e0e1ac3a56ae0a5a40c74140a7754
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
a75dad2f251480af0a67753d1204a80f397f02ad61f6d06a9abbba7ae3f1550d
MD5 hash:
1b8584836d49bb130f2c4410102a109e
SHA1 hash:
48780a6128f530bd1d81712a2b3333b8a5364b8d
SH256 hash:
8a1aea514b658161770c47e07c649ee007937805cb5039bc90904bb85783dbff
MD5 hash:
ad35ef5346336bb9b2e0eedab376af8a
SHA1 hash:
5ead65c1717d8fb67de14013f42be25729838d14
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: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: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.

Malspam

AgentTesla

Executable exe 8a1aea514b658161770c47e07c649ee007937805cb5039bc90904bb85783dbff

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments