MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f
SHA3-384 hash: 558a69d6e41388c8b0d88d0ed85881d960e2e1b05d0a87e9c9977c594a7c48ef39c1b33bbec57e89c76807b933229535
SHA1 hash: 449efafecdd8e480e2fce4315ae2515f1af60490
MD5 hash: a88d5df0e4dbb53e8ac9d5ff4d0c4fcd
humanhash: minnesota-winter-don-arizona
File name:DHL KULI500796821__SCAN DOCUMENT.exe
Download: download sample
Signature AgentTesla
File size:611'328 bytes
First seen:2023-05-15 11:52:34 UTC
Last seen:2023-05-15 12:32:14 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 6144:VFgIxBRI7Mj+XhSd/m30+xXFlX5NiyUELs:ngkDItcd2HHHs
Threatray 2'793 similar samples on MalwareBazaar
TLSH T177D49391F2A4C466E5AA0BB6DCF5C82407B3BD59E8B4D20F3189339E157339344A6F1B
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 c8d4d8d4d0d4d4d4 (2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
AgentTesla payload URL:
http://208.67.107.146/Jzumop.bmp

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL KULI500796821__SCAN DOCUMENT.exe
Verdict:
Malicious activity
Analysis date:
2023-05-15 12:00:30 UTC
Tags:
n/a

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% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
Result
Verdict:
UNKNOWN
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 866936 Sample: DHL_KULI500796821__SCAN_DOC... Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 9 other signatures 2->61 6 DHL_KULI500796821__SCAN_DOCUMENT.exe 16 6 2->6         started        11 Hkuze.exe 14 3 2->11         started        13 Hkuze.exe 2 2->13         started        process3 dnsIp4 29 208.67.107.146, 49697, 49699, 49701 GRAYSON-COLLIN-COMMUNICATIONSUS United States 6->29 23 C:\Users\user\AppData\Roaming\...\Hkuze.exe, PE32 6->23 dropped 25 C:\Users\user\...\Hkuze.exe:Zone.Identifier, ASCII 6->25 dropped 27 DHL_KULI500796821__SCAN_DOCUMENT.exe.log, ASCII 6->27 dropped 63 Writes to foreign memory regions 6->63 65 Injects a PE file into a foreign processes 6->65 15 InstallUtil.exe 14 2 6->15         started        67 Antivirus detection for dropped file 11->67 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 19 InstallUtil.exe 2 11->19         started        21 InstallUtil.exe 13->21         started        file5 signatures6 process7 dnsIp8 31 api4.ipify.org 104.237.62.211, 443, 49698 WEBNXUS United States 15->31 33 discordapp.com 162.159.133.233, 443, 49700, 49704 CLOUDFLARENETUS United States 15->33 35 api.ipify.org 15->35 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->47 49 May check the online IP address of the machine 15->49 37 64.185.227.155, 443, 49703, 49705 WEBNXUS United States 19->37 39 api.ipify.org 19->39 41 162.159.135.233, 443, 49706 CLOUDFLARENETUS United States 21->41 43 api.ipify.org 21->43 51 Tries to steal Mail credentials (via file / registry access) 21->51 53 Tries to harvest and steal browser information (history, passwords, etc) 21->53 signatures9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-15 10:32:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1106544607786967070/X18lyDcr4xbBtmlglFWjQ9ZY8FamcOVt6ve8gQxoc4VbXg223ka9eE5CK6TxZbKN1p87
Unpacked files
SH256 hash:
1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f
MD5 hash:
a88d5df0e4dbb53e8ac9d5ff4d0c4fcd
SHA1 hash:
449efafecdd8e480e2fce4315ae2515f1af60490
Malware family:
AgentTesla.v4
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:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments