MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445. 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 5 File information Comments
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SHA256 hash: 77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445
SHA3-384 hash: bba1caa13ee4de10bdbff3675876fddb213e1ab23ebf5666333ee7fc865a6e5a958f4e18659a385dd12f6afced86d1da
SHA1 hash: d33baf287318eb7b0cf5725712203d35d3ac80d8
MD5 hash: e034dcab67a1ef7eb1f65347439ed212
humanhash: leopard-november-illinois-louisiana
File name:PURCHASE ORDER_20230601.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:105'472 bytes
First seen:2023-06-01 18:37:51 UTC
Last seen:2023-06-01 19:33:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:pp1PpUMVzUSRmST294dWa2P7b1IzPrXMkN336DXa:z1P+iwSD294dN2PmfMkN3KDq
Threatray 3'553 similar samples on MalwareBazaar
TLSH T165A3A7D3B212C8E6FA3943759D23C88D2167FDADB8A4156D7096F7780ABB3830413927
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 8ab2b2a69ab2829a (10 x AgentTesla, 2 x RemcosRAT, 2 x NanoCore)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
258
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER_20230601.exe
Verdict:
Malicious activity
Analysis date:
2023-06-01 18:38:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d14ce8ad-66a2-49ac-b69e-f39a56ef24a9

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/394569/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.28189.18477.2338.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
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:
lolbin packed
Link:
https://www.filescan.io/uploads/6478e58b6b9b00059483f203/reports/ce7eed25-0a4a-4d11-a627-1fc0fe698f50/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445
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/d0550038-a6c6-401c-9704-3c1dc26cdd18
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247095
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 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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880115 Sample: PURCHASE_ORDER_20230601.exe Startdate: 01/06/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus detection for URL or domain 2->57 59 10 other signatures 2->59 6 PURCHASE_ORDER_20230601.exe 16 6 2->6         started        11 Zkqeesiggtt.exe 14 3 2->11         started        13 Zkqeesiggtt.exe 2 2->13         started        process3 dnsIp4 31 208.67.107.146, 49710, 49713, 49714 GRAYSON-COLLIN-COMMUNICATIONSUS United States 6->31 25 C:\Users\user\AppData\...\Zkqeesiggtt.exe, PE32 6->25 dropped 27 C:\Users\...\Zkqeesiggtt.exe:Zone.Identifier, ASCII 6->27 dropped 29 C:\Users\...\PURCHASE_ORDER_20230601.exe.log, ASCII 6->29 dropped 61 Writes to foreign memory regions 6->61 63 Injects a PE file into a foreign processes 6->63 15 InstallUtil.exe 14 2 6->15         started        65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 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 64.185.227.155, 443, 49711, 49715 WEBNXUS United States 15->33 35 api.telegram.org 149.154.167.220, 443, 49712, 49717 TELEGRAMRU United Kingdom 15->35 37 api.ipify.org 15->37 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->45 47 May check the online IP address of the machine 15->47 39 api.ipify.org 19->39 41 api.ipify.org 21->41 49 Tries to steal Mail credentials (via file / registry access) 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-01 17:33:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o63s3hqrww3bta4qhemn7obc5ddmdy5evtlkl7pf3n5dz4aewrcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
109ef5c322e2f5b9624f14914d4e4db3cd2ee7883f9c718c913616eb69277091
AgentTesla
271d3e8dfec86cdeb02be2c1d29e4717dae69d8edfb088bdf67b3da85fbacf30
AgentTesla
3d19690074df0c98a4088e0ca1f69969af9a65b7b260b7b71ac77a9bb89df6e6
AgentTesla
546296386f790b239e38e70b371954f4ca87d4715bc3147497f82c466d721ce2
AgentTesla
642caac35b91c7f6346536161060cb7f06ad8e5849ba771eafb0b247447bb64f
AgentTesla
+ 3'543 additional samples on MalwareBazaar
Result
Malware family:
purecrypter
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:purecrypter collection downloader keylogger loader persistence spyware stealer trojan
Link:
https://tria.ge/reports/230601-w92dpsgb7w/
Behaviour
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
PureCrypter
Malware Config
C2 Extraction:
http://208.67.107.146/Xvhwgnaxcaj.png
https://api.telegram.org/bot6237173637:AAHL1SZ0swNAdHMB508Hs_WnK-RKakXlUmA/
Unpacked files
SH256 hash:
77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445
MD5 hash:
e034dcab67a1ef7eb1f65347439ed212
SHA1 hash:
d33baf287318eb7b0cf5725712203d35d3ac80d8
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/e46c3951-ce44-47cb-8d40-896b523990ed/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77b72d9e11b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77b72d9e11b5b61983903918dfb822e8c6c1e3a4acd6a5fde5db7a3cf004b445

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/394569/

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