MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75
SHA3-384 hash: f478f9d7f317ae40124309a1048580e7c2742772b9aafee24138ee05154920c4e11f91fb2b3e027dcbd3551baea1dd17
SHA1 hash: a9c70570a3d44503a209fb6fcb9cfe4738c2b317
MD5 hash: 80565de512bf243ed8c6e05b97947e6e
humanhash: artist-queen-network-social
File name:PAYMENT ADVICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:966'144 bytes
First seen:2022-12-16 21:17:44 UTC
Last seen:2022-12-17 03:29:23 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 24576:Wsaie1Rci2t/VHAJgYC/1afAVQWloWql4nCxkKXvO:abcDt/BA4Y1Gcl4kJ
Threatray 9'475 similar samples on MalwareBazaar
TLSH T19D25012267839A82F37B0631C0C3964453F0EE864627D74F7FC43E5ABA73755698728A
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 a064eee8e8e8e804 (7 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PAYMENT ADVICE.exe
Verdict:
Malicious activity
Analysis date:
2022-12-16 21:20:59 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/dd40c11c-eac1-49b3-8305-c0f176a7ed96

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/347117/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
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/06861029-8946-4118-a065-f6ead7f1d849
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1135987
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 array initializations
.NET source code references suspicious native API functions
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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 ftp login credentials
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 768717 Sample: PAYMENT ADVICE.exe Startdate: 16/12/2022 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 10 other signatures 2->59 7 PAYMENT ADVICE.exe 6 2->7         started        12 PRTwdE.exe 5 2->12         started        14 yGbzOMp.exe 2 2->14         started        16 yGbzOMp.exe 1 2->16         started        process3 dnsIp4 51 192.168.2.1 unknown unknown 7->51 39 C:\Users\user\AppData\Roaming\PRTwdE.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\Temp\tmpC9B.tmp, XML 7->41 dropped 43 C:\Users\user\...\PAYMENT ADVICE.exe.log, ASCII 7->43 dropped 75 Writes to foreign memory regions 7->75 77 Injects a PE file into a foreign processes 7->77 18 RegSvcs.exe 2 5 7->18         started        23 schtasks.exe 1 7->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 25 RegSvcs.exe 12->25         started        27 schtasks.exe 1 12->27         started        29 conhost.exe 14->29         started        31 conhost.exe 16->31         started        file5 signatures6 process7 dnsIp8 45 mail.mktron.in 18->45 47 mktron.in 104.156.54.11, 49697, 49698, 587 HVC-ASUS United States 18->47 37 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 18->37 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->67 33 conhost.exe 23->33         started        49 mail.mktron.in 25->49 69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->73 35 conhost.exe 27->35         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-15 10:18:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbkj7wb5yyuheuk7kjl2mtgwqh7jflbsjtc7aexaploaruamfn2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0158c1bad6435943fe9de30a3f9f7b6b7c6714e5009df645bc2f36a26d015136
AgentTesla
0a8174bbb3c63745bfd66e7774a83d9802192e7d800fa656dbdecd90f110105e
AgentTesla
1c458dbab474aa55c42e465e34a64faae2b567910490621aeda7ffb51b7b29dc
AgentTesla
24db2e7ba38ff5dc81c50e2b03c174de23cad2b480bb82a989b00f12767e19a0
AgentTesla
66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81
AgentTesla
916d30f29bbbbbbf9cd02ee4c66d611750d1a0aafa7b3f364b35e46216ae90a3
AgentTesla
a32619cd26fbb97072657ec6a481d4f4fd6c51b72ea5ea0837006d9a8dd24800
AgentTesla
f5c710060042d56e8e18e0d42256a4959c8d5529f8ea90e8e3084a742a9027f4
AgentTesla
+ 9'465 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/221216-z5k3psff79/
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/be331d95-6833-4783-b0b9-3faf35cc65da
Unpacked files
SH256 hash:
5cb4af7e1812fa6ee82df2e558176b08ace2d28933f7ddc9f1e50e6026b2b964
MD5 hash:
327800c4856935a0965565e56f1e5f38
SHA1 hash:
8b53a3d1a564dd60e0b301b21957435ea2e6dbc4
Link:
https://www.unpac.me/results/205ac79c-ec87-46e2-a00d-135d7bf2fdb5/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/205ac79c-ec87-46e2-a00d-135d7bf2fdb5/
SH256 hash:
a3036ae97eb0c7bffdb92360c61fb05c19b1f4c6e977ec223dbee8341d1ce286
MD5 hash:
8c4fc1db911901ac77f2e14afb0e02dc
SHA1 hash:
425e36e05be2955f91d5f6d2945291ac64c4912d
Link:
https://www.unpac.me/results/205ac79c-ec87-46e2-a00d-135d7bf2fdb5/
SH256 hash:
b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75
MD5 hash:
80565de512bf243ed8c6e05b97947e6e
SHA1 hash:
a9c70570a3d44503a209fb6fcb9cfe4738c2b317
Link:
https://www.unpac.me/results/205ac79c-ec87-46e2-a00d-135d7bf2fdb5/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8549fd83dc6/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/b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75

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 b8549fd83dc62872515f5257a64cd681fe92ac324cc5f012e07adc08d00c2b75

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/347117/

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