MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecb8c82a84bfc4eee6d640f6c562cfd95f65184ab210e4e717f8aff8d0b8a1be. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash: ecb8c82a84bfc4eee6d640f6c562cfd95f65184ab210e4e717f8aff8d0b8a1be
SHA3-384 hash: 911fd90541c144b05f1c683797a3fa2f4a738ea5aa892ef705dd6b70e2b1d46e97c775615b044217905351112fb63145
SHA1 hash: 00d5d98ea79881191ae1ee4379352bd140d26896
MD5 hash: ba941d9de33e7fc41082afb436045510
humanhash: oregon-earth-sixteen-south
File name:SHIPPING DOCUMENT.exe
Download: download sample
Signature AgentTesla
File size:634'368 bytes
First seen:2023-10-30 15:24:48 UTC
Last seen:2023-10-30 16:49:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:w8A69yqLMsR48CUgdgqchdjGsuMsnuSSYMRw0bRvXnWrYC3o:q6X4y48EWzUbMguV/w0lFC3
Threatray 552 similar samples on MalwareBazaar
TLSH T1EFD42245BB945B9DCBB99BF19BC2414013F246565671EB0C2FC832CE0AF3B982629F53
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 c4c6a2202e223684 (12 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
444
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SHIPPING DOCUMENT.exe
Verdict:
Malicious activity
Analysis date:
2023-10-30 17:03:40 UTC
Tags:
sinkhole agenttesla stealer

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

Behaviour
Searching for the window
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
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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
Adds a directory exclusion to Windows Defender
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)
Initial sample is a PE file and has a suspicious name
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334346 Sample: SHIPPING_DOCUMENT.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 51 mail.kcisgroup.com 2->51 53 api4.ipify.org 2->53 55 api.ipify.org 2->55 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 8 SHIPPING_DOCUMENT.exe 7 2->8         started        12 PDQqDTRcByqE.exe 5 2->12         started        14 My App.exe 2->14         started        16 My App.exe 2->16         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\PDQqDTRcByqE.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp75C3.tmp, XML 8->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 57 mail.kcisgroup.com 103.118.27.64, 49714, 49716, 587 NSS-GROUP-AS-TWNSSINTLCOLTDTW Taiwan; Republic of China (ROC) 18->57 59 api4.ipify.org 173.231.16.77, 443, 49713, 49715 WEBNXUS United States 18->59 45 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->45 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        75 Tries to harvest and steal browser information (history, passwords, etc) 29->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->77 43 conhost.exe 31->43         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-30 11:39:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
1d7f7b6271f1b32a0fd20b58c0a60c081b50229618aee92d423761e8354ce857
MD5 hash:
4dc13dcfc74da3cc7833a4e0b121c0f4
SHA1 hash:
c37c72033e524d7b2305c36338f8a809edef2be0
SH256 hash:
1ef09646d171aa34fcd54b4d2cd9b4792e8cbc6ea5339514a12e9f33c3e1db27
MD5 hash:
fc9f1120657822fe7ff0736fb4e7c2c3
SHA1 hash:
5e114a68b40fd52089a0f7e2f99d45bfe8bba4d1
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
ba05154fcdf5647edce7ad83c696b919784b6302473bd457486cc21504b8f729
MD5 hash:
80148d85ca239bf6c340c9b2567321f5
SHA1 hash:
1a113fe9486d7bc1844c91ed23176c722876ca2e
SH256 hash:
ecb8c82a84bfc4eee6d640f6c562cfd95f65184ab210e4e717f8aff8d0b8a1be
MD5 hash:
ba941d9de33e7fc41082afb436045510
SHA1 hash:
00d5d98ea79881191ae1ee4379352bd140d26896
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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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 ecb8c82a84bfc4eee6d640f6c562cfd95f65184ab210e4e717f8aff8d0b8a1be

(this sample)

  
Delivery method
Distributed via e-mail attachment

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