MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669
SHA3-384 hash: 9e69f98bf3138c091c41accf93f370b6e6140938da8ec538f9284bba2e8c8c434e8a5a31095c981893ecf86f389ab69d
SHA1 hash: 7f7be3069b3fb6b67cd86055a2abc32035631cb2
MD5 hash: c0154dc72f7d93b9294749b373c05c8e
humanhash: mango-ten-arkansas-red
File name:PAYMENT INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:557'056 bytes
First seen:2023-09-27 10:30:13 UTC
Last seen:2023-09-28 10:55:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:A/HMdddddg+Uw5vMMMDMMM0f9vJXl93anVdoKLufk5O73Rk5gUTHORCUt:aMdddddbvMMMDMMM0v9nYVMqA3q5gU7E
TLSH T1D3C4BF2531EA2616F076EBB703A7FC8487FEF3E1932FF9157D9612C682E1C409A52521
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
283
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PAYMENT INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-09-27 10:30:27 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/f00a4a8b-0fc4-4325-9e80-f33b5ceb87d6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/451552/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.61431.7352.30789.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade packed
Link:
https://www.filescan.io/uploads/6514046a43cd377b1ea0ee99/reports/2a2f738f-e9e4-49df-87e6-9e61090806f8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669
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/36c17c40-b40e-495a-b03f-034d2b76e317
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315181
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Contains functionality to log keystrokes (.Net Source)
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
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1315181 Sample: PAYMENT_INVOICE.exe Startdate: 27/09/2023 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 7 PAYMENT_INVOICE.exe 6 2->7         started        11 pqVFrpSrcy.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\pqVFrpSrcy.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp3F5B.tmp, XML 7->33 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 13 PAYMENT_INVOICE.exe 2 7->13         started        17 schtasks.exe 1 7->17         started        19 PAYMENT_INVOICE.exe 7->19         started        21 PAYMENT_INVOICE.exe 7->21         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 23 pqVFrpSrcy.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 35 mail.ceryletech.com 13->35 37 ceryletech.com 103.53.43.36, 49777, 49778, 587 PUBLIC-DOMAIN-REGISTRYUS India 13->37 27 conhost.exe 17->27         started        39 mail.ceryletech.com 23->39 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->61 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 29 conhost.exe 25->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669/
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-27 01:18:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pr32h4kcv45ayjfd4gdpmbmlijagrjlk45hptpsjmgkm3kgoyzuq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230927-mkdfxabc28/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
185c7e68e9754f4f352b1e4b4d9156fecba0434f241f8a7716cf5dceef480890
MD5 hash:
f4de887a69562ae4d3c900a8b2f3e3c1
SHA1 hash:
fd86b77ad741e3855a64dbc1a3b421735ecc507a
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/31201c5d-1896-454a-a1e8-2e684030afa5/
Parent samples :
d69d7bc7503df3d41dd157c79ffaaa0644813faafdca6a12ad4201758eae32b6
185c7e68e9754f4f352b1e4b4d9156fecba0434f241f8a7716cf5dceef480890
997dd0b02e8c585b5ba3b70bb076aff6e91c35d7143ade955097498f27e501e7
39bf9b51b8b6e1b743e3e30d835101292ddb0c1e19d8748eb4959dc4e947a479
d1c30d9e24b4916ac3fdfe60b89836014c2b24e15c5729088fc770567e315693
7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669
05d6073212301c89a351c072dbd748a58bb24374a8d14a908a27cbc2edc4d2f5
SH256 hash:
51c5111bdeef5b7e7973e8f0671f98569a72a45f3ad77d076fbc7975fd2c7726
MD5 hash:
ff6a9da4890bcfd4ff66d34df13eb74e
SHA1 hash:
b46f925246b2c92ec62f7f43bcda9f6236ac2c19
Link:
https://www.unpac.me/results/31201c5d-1896-454a-a1e8-2e684030afa5/
SH256 hash:
6b6f0d0008346e351a105a7839d85b9aaae5b3c957c28618dcbc347c5c9db77f
MD5 hash:
fc82262057015206c59954e04996f8ac
SHA1 hash:
8650746ca799d0bc8020a5383b03b3d747ee889b
Link:
https://www.unpac.me/results/31201c5d-1896-454a-a1e8-2e684030afa5/
SH256 hash:
7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669
MD5 hash:
c0154dc72f7d93b9294749b373c05c8e
SHA1 hash:
7f7be3069b3fb6b67cd86055a2abc32035631cb2
Link:
https://www.unpac.me/results/31201c5d-1896-454a-a1e8-2e684030afa5/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c77a3f142af/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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 7c77a3f142af3a0c24a3e186f6058b424068a56ae74ef9be496194cda8cec669

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/451552/

Comments