MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9
SHA3-384 hash: ff28ebfe0165466fd9c34c876b299fb60a9f97de6529d11e9b3a63baaa0a574f430da7f3b5544cda818d23423b00e7f0
SHA1 hash: 55811e72cc3cefef77def0d92705b31fea8454ab
MD5 hash: 942c8c7173a68dff349e0f1023bfed08
humanhash: xray-arkansas-massachusetts-blossom
File name:Purchase Inquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:825'344 bytes
First seen:2023-02-06 09:24:36 UTC
Last seen:2023-02-09 20:01:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:DA3trxN5IC54TWMKtV27I9KFMgOkujAS+pEdk:sttgiZMI9/SujAHO
TLSH T1CB0523A01359CB31DE868AB1E8D9692913B2974EB035DE3C8E1425FFAD53F08CB41767
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 e470f0dcd0dec0c0 (12 x AgentTesla, 4 x Loki, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
178
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Inquiry.exe
Verdict:
Malicious activity
Analysis date:
2023-02-06 09:26:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/48f3eac4-6f91-4028-a809-4b1b646cfbf2

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/360708/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1820.11348.28432.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e0c773447edb203a02e543/reports/f9d8bc54-5b9a-4969-99a4-79f0292093cb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9
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/ec1073c7-573e-424a-9511-09a70b65814a
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166642
Signature
.NET source code contains potential unpacker
Contains functionality to register a low level keyboard hook
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Malicious sample detected (through community Yara rule)
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799414 Sample: Purchase Inquiry.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 11 other signatures 2->55 6 Skype.exe 3 2->6         started        9 Purchase Inquiry.exe 3 2->9         started        12 Skype.exe 2 2->12         started        process3 file4 57 Multi AV Scanner detection for dropped file 6->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->59 61 May check the online IP address of the machine 6->61 65 2 other signatures 6->65 14 Skype.exe 14 7 6->14         started        18 Skype.exe 6->18         started        20 Skype.exe 6->20         started        33 C:\Users\user\...\Purchase Inquiry.exe.log, ASCII 9->33 dropped 63 Injects a PE file into a foreign processes 9->63 22 Purchase Inquiry.exe 17 10 9->22         started        25 Purchase Inquiry.exe 9->25         started        27 Skype.exe 12->27         started        signatures5 process6 dnsIp7 35 104.237.62.211, 443, 49717 WEBNXUS United States 14->35 37 api.ipify.org 14->37 39 api4.ipify.org 64.185.227.155, 443, 49714 WEBNXUS United States 22->39 41 api.telegram.org 149.154.167.220, 443, 49715, 49716 TELEGRAMRU United Kingdom 22->41 43 api.ipify.org 22->43 29 C:\Users\user\AppData\Roaming\...\Skype.exe, PE32 22->29 dropped 31 C:\Users\user\...\Skype.exe:Zone.Identifier, ASCII 22->31 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->67 69 Tries to steal Mail credentials (via file / registry access) 22->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->71 45 173.231.16.76, 443, 49720 WEBNXUS United States 27->45 47 api.ipify.org 27->47 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Installs a global keyboard hook 27->75 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-06 01:09:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 39 (43.59%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjgoggtkuvmfh5oiupoz6rf3fkxxtf4xqzoutqv23yb5mjuq7huq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230206-ldl9ssdb43/
Behaviour
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5699496836:AAHsCB0sJ7dQH79qrU9TNSDZ8eYTeR19myk/
Unpacked files
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
SH256 hash:
535589dd32b1cf14ded2b668158336045e9fde4341823114f18e6af583c6120b
MD5 hash:
6c664856b4ba5d0a0a94479d07d494b3
SHA1 hash:
caa3f9aaa13ad506f7184c1c86319ab3d59a30ad
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
SH256 hash:
107890fab0b9f8dc6af55cb7ef565bba7a559afb2e0ca55b4aea51ef3f9ffd86
MD5 hash:
eb8b81668fe46e896234a4a754807087
SHA1 hash:
ac8542dcf2e1bb31878a8c68604525f5dcc67e42
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
97e3138102f0a214b7d16352a27ea6cd11326a6eee9f0b81005f8b363573fd03
MD5 hash:
0bbea1b87e8aee751b3faa16bd505916
SHA1 hash:
5676b14e4b269f1d008ef1d814946d67f4ca1823
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
SH256 hash:
8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9
MD5 hash:
942c8c7173a68dff349e0f1023bfed08
SHA1 hash:
55811e72cc3cefef77def0d92705b31fea8454ab
Link:
https://www.unpac.me/results/693ad4a0-fa5c-48eb-b2db-1428077bfbfc/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a4ce31a6aa5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9

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: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.

Malspam

AgentTesla

Executable exe 8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/360708/

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