MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651
SHA3-384 hash: 32222e2694b956dde1fc1ccd52a26b31d8d8b377b4d279d2d650dc1cd4dacd0f6d45b4458b723dcc7d75cf684c25ae2e
SHA1 hash: 2b79174146261d455ede99a2e060c150118c9c8b
MD5 hash: ae1d881f5d5c739546305a1d3f2a5770
humanhash: finch-lemon-indigo-green
File name:PO32427.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:592'384 bytes
First seen:2022-04-22 06:22:47 UTC
Last seen:2022-04-22 06:45:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:BcHIj31g+y1O9DoqkHbRIGnZouFsic4OsGRfjdHaaxXPKWAYtv/h:uVaoBRuuF97gvxKWBdh
Threatray 16'581 similar samples on MalwareBazaar
TLSH T1F5C412623BD5D4A0C8BFEB7678D1158B83F0C5439509978E193362FF2A61350236EB9E
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/265632/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.2056.12359.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
obfuscated packed pos replace.exe
Link:
https://www.filescan.io/uploads/626249dbffe27d51192c7e2a/reports/54ee1888-b3b8-4921-bf20-68e64ade10c7/overview
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/142e3085-6dbf-434b-b519-700d716fe33f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/981141
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 613627 Sample: PO32427.exe Startdate: 22/04/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 7 other signatures 2->72 7 PO32427.exe 7 2->7         started        11 ocDFlo.exe 4 2->11         started        13 ocDFlo.exe 2->13         started        process3 file4 42 C:\Users\user\AppData\...\ByBZbFpbFwW.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp1FA1.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\PO32427.exe.log, ASCII 7->46 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 7->78 15 PO32427.exe 2 5 7->15         started        20 powershell.exe 24 7->20         started        22 schtasks.exe 1 7->22         started        80 Multi AV Scanner detection for dropped file 11->80 82 Adds a directory exclusion to Windows Defender 11->82 84 Injects a PE file into a foreign processes 11->84 24 ocDFlo.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 48 us2.smtp.mailhostbox.com 208.91.198.38, 49744, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->48 50 smtp.medexholdinglk.com 15->50 38 C:\Users\user\AppData\Roaming\...\ocDFlo.exe, PE32 15->38 dropped 40 C:\Users\user\...\ocDFlo.exe:Zone.Identifier, ASCII 15->40 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Tries to steal Mail credentials (via file / registry access) 15->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->60 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        52 162.222.225.29, 49767, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->52 54 smtp.medexholdinglk.com 24->54 62 Tries to harvest and steal ftp login credentials 24->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-22 02:20:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2edf2aydmbhbqzzsmfiiavhgxtdrobxjvj6fsk2ofjfiiqoaziq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1582681abcc910b656d1671245762dfbec06052b2521416b3dc4d6a53f6a3fa3
AgentTesla
44409d280a772912dfccdbe84008d6ecae3c0ff65b109f6d188494853252dc0d
AgentTesla
58c7044897f1567accb87bcca24a5d5ba4a075011987baadf6801e41bcf2423f
AgentTesla
6cc6029fbc87ed9a7c025317a6d9eff0fe0049a8ba647551efcaea78ed2a1eaf
AgentTesla
a0732064020bdb099cd5948a0caefadc8491e45bc6dcc98c57566033f520f09b
AgentTesla
b4870d6753a5a0962512a60dad707fe92774feb952c3cc01a87c3a9979816822
AgentTesla
db79d2d8501b876d4d59f41e067ac54ebfaca9863c5aaab7686380284e7a4616
AgentTesla
def82eea2b57f5b879e8e7c14eb6e0c5a6cd58874835c53f0cfd4ee18d30101e
AgentTesla
fca101958a7bcbf8b717517055f150dad83aa482c00165f67312c613f8b450d3
AgentTesla
+ 16'571 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/220422-g5f5msbae6/
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
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:
71ea490d3cc9ea9b733bdac62f77b7178d49c80c5873a85a8695e6396110eda1
MD5 hash:
f9a742c91bc302c70d01e398f8cf03d4
SHA1 hash:
be5dad36ccf4eb6bb26f8d71cc90305e3a37dd30
Link:
https://www.unpac.me/results/617ff73b-3eb4-4617-8568-8f35f4bcba20/
SH256 hash:
9edab9e86df7200c236565f7cac287e721421ac1801477ad3afd30098dd07db8
MD5 hash:
b6e15b95add559f1fdbb276722fca1d0
SHA1 hash:
941c6d26de46464bf3904e9fcecd70b7fb6694dd
Link:
https://www.unpac.me/results/617ff73b-3eb4-4617-8568-8f35f4bcba20/
SH256 hash:
2f5e8565dcdd23cf6495cb48f575086121ce45699155e225b9c6c5a84b2c37b5
MD5 hash:
1ee372d5ebaf08aa42aedb8c55201734
SHA1 hash:
1af7cebc8584e014cb017a2b425a267160c13691
Link:
https://www.unpac.me/results/617ff73b-3eb4-4617-8568-8f35f4bcba20/
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
Link:
https://www.unpac.me/results/617ff73b-3eb4-4617-8568-8f35f4bcba20/
SH256 hash:
668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651
MD5 hash:
ae1d881f5d5c739546305a1d3f2a5770
SHA1 hash:
2b79174146261d455ede99a2e060c150118c9c8b
Link:
https://www.unpac.me/results/617ff73b-3eb4-4617-8568-8f35f4bcba20/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/668832e8181b/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/668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/265632/

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