MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4073b9936abd8f87ba521d74ecfed8e16ba3582bbf80a51da0da0c1982814ad. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4073b9936abd8f87ba521d74ecfed8e16ba3582bbf80a51da0da0c1982814ad
SHA3-384 hash: 0e2ec76a4e478bcd0c7e4bd1d727af5f14420d57200aba710516d2c3dead9483e66e5ce27bf4525e25d8f4a6c0d5775a
SHA1 hash: 0ba3f2a99a6866bc63fe7b74a576a09e778698ca
MD5 hash: 3d55d245d1d3fa5c1cd638fb3941b3f3
humanhash: paris-skylark-alaska-salami
File name:DHL KULI500796821__SCAN DOCUMENT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:374'272 bytes
First seen:2023-05-15 11:51:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:pU8aDI6SfYk/6PTafUimNlD9WqUk0o+rExc2TV6w/gd3uXsr/2VFVcSW4du2Pmfd:4vSPkiQWqJ0jrU6xv7ydsm
Threatray 2'788 similar samples on MalwareBazaar
TLSH T12084A542BA99D1A2D2A45B37C9E215004771FC81A562DA1F388E73FD09337F7AC52B27
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 8ab2b2a69ab2829a (10 x AgentTesla, 2 x RemcosRAT, 2 x NanoCore)
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
AgentTesla payload URL:
http://208.67.107.146/Jshggkofqk.png

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
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 11:58:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1b63e50-5e7c-47db-95db-e90ae7440df8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/390069/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.14273.7193.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
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
Link:
https://www.filescan.io/uploads/64621ce350d4f3894cdec71f/reports/acccdff1-9857-460e-9f9a-950893e62725/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/b4073b9936abd8f87ba521d74ecfed8e16ba3582bbf80a51da0da0c1982814ad
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ee9704f-9442-422e-90ea-874dca51f65f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1233952
Signature
.NET source code contains potential unpacker
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 has a suspicious name (potential lure to open the executable)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 866941 Sample: DHL_KULI500796821__SCAN_DOC... Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 6 DHL_KULI500796821__SCAN_DOCUMENT.exe 16 6 2->6         started        11 Ykzayyf.exe 14 3 2->11         started        13 Ykzayyf.exe 2 2->13         started        process3 dnsIp4 31 208.67.107.146, 49702, 49705, 49706 GRAYSON-COLLIN-COMMUNICATIONSUS United States 6->31 25 C:\Users\user\AppData\Roaming\...\Ykzayyf.exe, PE32 6->25 dropped 27 C:\Users\user\...\Ykzayyf.exe:Zone.Identifier, ASCII 6->27 dropped 29 DHL_KULI500796821__SCAN_DOCUMENT.exe.log, ASCII 6->29 dropped 65 Writes to foreign memory regions 6->65 67 Injects a PE file into a foreign processes 6->67 15 InstallUtil.exe 14 2 6->15         started        69 Antivirus detection for dropped file 11->69 71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 19 InstallUtil.exe 2 11->19         started        21 InstallUtil.exe 13->21         started        23 InstallUtil.exe 13->23         started        file5 signatures6 process7 dnsIp8 33 api4.ipify.org 173.231.16.77, 443, 49703, 49708 WEBNXUS United States 15->33 35 discordapp.com 162.159.134.233, 443, 49704, 49709 CLOUDFLARENETUS United States 15->35 37 api.ipify.org 15->37 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->49 51 May check the online IP address of the machine 15->51 39 104.237.62.211, 443, 49707 WEBNXUS United States 19->39 45 2 other IPs or domains 19->45 41 162.159.133.233, 443, 49710 CLOUDFLARENETUS United States 21->41 43 api.ipify.org 21->43 53 Tries to steal Mail credentials (via file / registry access) 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4073b9936abd8f87ba521d74ecfed8e16ba3582bbf80a51da0da0c1982814ad/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-05-15 11:52:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqdtxgjwvpmpq65fehlu5t7nryllunmcxp4auuo2bwqmdgbicswq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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2547bb68679d447dbde8f5631c385ba265aaf1dd9a8b3807e77ad475ad15adfa
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511bd4f1051444242dda8ae6df80720106a6b4d60eab89658baffb142affe730
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5404c10cf88a5d915b78fcc822cb3ba3139ad4ed9cdacbf6c82dd070c4e1bc4b
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6f87506ad54bd39f08b8f3da216f4f31713377aa512b32628c2ef53162b222ff
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c3d484451f9d0cf5aa68dfeceed67b5853cd2780512129668e9fdd98bc5490de
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e6d98d839dd2372b008ed4ec970c951963b863f89959d2d917cbe32fe7ce7f21
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f3341ea77e5c8f5e57ee22b1842656ff8225d0fef647bef19d0b0fcc6b87200d
AgentTesla
+ 2'778 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230515-n1qlvade5y/
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/1107573029111861288/Uhe61n5VgiTGo1GZfjDNZg3U0enJ6Jycd4zv3Xq4k_367XeH126i1nHWlCqfHRe-EGQS
Unpacked files
SH256 hash:
b4073b9936abd8f87ba521d74ecfed8e16ba3582bbf80a51da0da0c1982814ad
MD5 hash:
3d55d245d1d3fa5c1cd638fb3941b3f3
SHA1 hash:
0ba3f2a99a6866bc63fe7b74a576a09e778698ca
Link:
https://www.unpac.me/results/cc476761-6a02-45bd-b88b-9a10e90c8819/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4073b9936ab/report/overview.html
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
Create hunting rule
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
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/390069/

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