MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7640591719da5ed087f6006a0dff2ca19b6f76533e95554222f04b4fe3f93ded. 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
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SHA256 hash: 7640591719da5ed087f6006a0dff2ca19b6f76533e95554222f04b4fe3f93ded
SHA3-384 hash: 7e1bf9b597858357c753f5f960c07bcad547ec99501b0717327117b2115149ccfd04d6e3801c9082de2dbb5c01cdc0c3
SHA1 hash: 75f39d2c5fef258ae81185cbfd272f462e2d3a92
MD5 hash: 6ca8b6a3f03f037a3c9fa0523f6c36ad
humanhash: double-indigo-july-burger
File name:DHL KULI500796821__SCAN DOCUMENT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:438'272 bytes
First seen:2023-05-10 07:43:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:w7sZGdgWYUPiTSq7xSy4iQsVnUhtzwPffWJ1gIsKpu:pw5NiyUELs
Threatray 2'717 similar samples on MalwareBazaar
TLSH T1F394E0D1F215C8B9F99A06B69C36CC6520A77E6DDCB4901F359A731E59B338300ABD0B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon c8d4d8d4d0d4d4d4 (2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla DHL exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
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:
2023-05-10 07:50:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2a1d85c0-0fe3-4cb6-ab44-35ef4e9491da

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/388061/
Detection(s):
SecuriteInfo.com.Variant.Barys.24615.19035.30654.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
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:
packed
Link:
https://www.filescan.io/uploads/645b4b43d860ee3e1ca69d1e/reports/9639da49-8f28-496c-8f33-b93912abd909/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/7640591719da5ed087f6006a0dff2ca19b6f76533e95554222f04b4fe3f93ded
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d3eb13a4-21c8-4ef3-bbe4-e9ada9bb56da
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229806
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Installs a global keyboard hook
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 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: 862797 Sample: DHL_KULI500796821__SCAN_DOC... Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus detection for URL or domain 2->67 69 8 other signatures 2->69 6 DHL_KULI500796821__SCAN_DOCUMENT.exe 16 6 2->6         started        11 Lwsozrvdhp.exe 2 2->11         started        13 Lwsozrvdhp.exe 14 3 2->13         started        process3 dnsIp4 35 208.67.107.146, 49679, 49682, 49683 GRAYSON-COLLIN-COMMUNICATIONSUS United States 6->35 29 C:\Users\user\AppData\...\Lwsozrvdhp.exe, PE32 6->29 dropped 31 C:\Users\...\Lwsozrvdhp.exe:Zone.Identifier, ASCII 6->31 dropped 33 DHL_KULI500796821__SCAN_DOCUMENT.exe.log, ASCII 6->33 dropped 71 Writes to foreign memory regions 6->71 73 Allocates memory in foreign processes 6->73 75 Injects a PE file into a foreign processes 6->75 15 InstallUtil.exe 14 2 6->15         started        19 InstallUtil.exe 6->19         started        21 InstallUtil.exe 2 11->21         started        23 InstallUtil.exe 11->23         started        77 Antivirus detection for dropped file 13->77 79 Multi AV Scanner detection for dropped file 13->79 81 Machine Learning detection for dropped file 13->81 25 InstallUtil.exe 2 13->25         started        27 InstallUtil.exe 13->27         started        file5 signatures6 process7 dnsIp8 37 discord.com 162.159.138.232, 443, 49681 CLOUDFLARENETUS United States 15->37 39 api4.ipify.org 173.231.16.77, 443, 49680, 49685 WEBNXUS United States 15->39 41 api.ipify.org 15->41 51 Installs a global keyboard hook 15->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->53 55 May check the online IP address of the machine 19->55 43 162.159.137.232, 443, 49687 CLOUDFLARENETUS United States 21->43 45 api.ipify.org 21->45 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->57 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 47 192.168.2.1 unknown unknown 25->47 49 api.ipify.org 25->49 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7640591719da5ed087f6006a0dff2ca19b6f76533e95554222f04b4fe3f93ded/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2023-05-10 07:44:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ozafsfyz3jpnbb7wabva37zmugnw65sth2kvkqrc6bfu7y7zhxwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
109ef5c322e2f5b9624f14914d4e4db3cd2ee7883f9c718c913616eb69277091
AgentTesla
2ce7d781b4110aea5d90e86a8798e44516a33724c212e4b6099cb4babb7090d0
AgentTesla
3d19690074df0c98a4088e0ca1f69969af9a65b7b260b7b71ac77a9bb89df6e6
AgentTesla
642caac35b91c7f6346536161060cb7f06ad8e5849ba771eafb0b247447bb64f
AgentTesla
6f87506ad54bd39f08b8f3da216f4f31713377aa512b32628c2ef53162b222ff
AgentTesla
91dff7bab30d0d6713ba56c522859ce8f773611c10ec7a7e7a0d9889612d0641
AgentTesla
+ 2'707 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/230510-jkt7wagg3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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://discord.com/api/webhooks/1105689746786746421/I4C00IB6_TKtSlqsTg0aZ7QT4IuMtdaif7wqR5NfOqa1wZpVJzKC2Z_sZrc0By52TuT0
Gathering data
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7640591719da/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/388061/

Comments