MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97
SHA3-384 hash: 11ec15a27ed28f25b2d3105e85e4fe64657dd0f8812b491a059f6d975f5af38f00486f3f7562ff78999099edcd38e916
SHA1 hash: 9f9ebd300d4ecd9e82c124a43d2dbd26b91094f8
MD5 hash: 96921192ae04dbae7758b0603b687da3
humanhash: robin-fruit-cup-fix
File name:z0bT9jkWz1l44Xo.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:808'448 bytes
First seen:2022-02-17 14:35:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:A2dBqES5VkoL1EAW4WYNsqrAaXPt+pJBzof1Toe8dFxrUghmNP0:cw4WSsGGE9x8nxrJhm
Threatray 14'920 similar samples on MalwareBazaar
TLSH T18F05BF5631EF1096C3A2EBF10FD9ACBF8A5EF177120F353A31816A568772A409E02775
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242265/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.57439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
black obfuscated packed
Link:
https://www.filescan.io/uploads/620e5d57ac8ad0468b4c0d1e/reports/c71d8301-40d0-4adb-ba49-25414b31fa74/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/16b2de3b-d1f8-481a-a0d5-ec5d2460d0ac
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941637
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 574115 Sample: z0bT9jkWz1l44Xo.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 6 z0bT9jkWz1l44Xo.exe 3 2->6         started        10 tKZVPq.exe 2 2->10         started        12 tKZVPq.exe 1 2->12         started        process3 file4 27 C:\Users\user\...\z0bT9jkWz1l44Xo.exe.log, ASCII 6->27 dropped 57 Writes to foreign memory regions 6->57 59 Allocates memory in foreign processes 6->59 61 Injects a PE file into a foreign processes 6->61 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 RegSvcs.exe 6->21         started        23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        signatures5 process6 dnsIp7 33 pas-shipping.com 94.23.214.113, 49842, 587 OVHFR France 14->33 35 mail.pas-shipping.com 14->35 29 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 14->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 47 3 other signatures 14->47 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 14:36:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ripcill52scawyg3g7ijqkhsj7qep4fx26tuv5el2o74nd34bwlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e75ba58f56b634078e2b4e85d12815221518230bed0b7978afcc728b1e209e1
AgentTesla
20bcd02266e2cfe1def3496611a8463d709e5c87d08a0d5c292db81a431d03fb
AgentTesla
2b22180c6f96d4f5bf5135c297547c49564afc7e4804a516776dba19e55fbe81
AgentTesla
31a3c2f298b8b235303ecdcbe989f24ddda02a2da072c78cb0c6d0f8e9cd282a
AgentTesla
36dabdaa3e32ea2722834a97e1248f7d82785313eada83cc105931cdb921b897
AgentTesla
63e9e2155d1e91db69ef70f561bb895db40b45d395960cca4ac467c4a454be4d
AgentTesla
b3ce2f043e2a86ddba97da6beff28517bcb1ffb4c033429ebccd2b02c20d056b
AgentTesla
c0860eee91e8ac541b4d525a2be062871cadb644dfb358af1f11f93c58f08bad
AgentTesla
fd6615af15cd468d22f07e28c49bef1487c276a3e935b56589bef8157da058e1
AgentTesla
+ 14'910 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/220217-rykvcscean/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/78cc3e08-13a3-4755-9f06-240f13f0b5d9/
SH256 hash:
352a21e0d2f1582d573590ddd7fe353a7bb04f2e730e79a6ea20d2c3f741ecdc
MD5 hash:
6fe3391e89f8919a05a0897c4f6412c0
SHA1 hash:
595303eafea313e928abc66e47975ece3d5da969
Link:
https://www.unpac.me/results/78cc3e08-13a3-4755-9f06-240f13f0b5d9/
SH256 hash:
c9096c5b3f1bddb2d52ed826d44c6dbda03069cfc18875b98c3959db47360a81
MD5 hash:
221ee467791fddcddd9ba05ab689b2ef
SHA1 hash:
45a98a7103279edcb4b3ef3397dca4dbbe6fae2a
Link:
https://www.unpac.me/results/78cc3e08-13a3-4755-9f06-240f13f0b5d9/
SH256 hash:
110916f5ab40f93e749efa9d399da9ece25e04cc104f34e3090819573522a5cc
MD5 hash:
4507e10f5c5a1636e984bc68c6b6f9fd
SHA1 hash:
3768f05d598bd3ecf1e138fafab8af5033c207d7
Link:
https://www.unpac.me/results/78cc3e08-13a3-4755-9f06-240f13f0b5d9/
SH256 hash:
8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97
MD5 hash:
96921192ae04dbae7758b0603b687da3
SHA1 hash:
9f9ebd300d4ecd9e82c124a43d2dbd26b91094f8
Link:
https://www.unpac.me/results/78cc3e08-13a3-4755-9f06-240f13f0b5d9/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8a1e242d7dd4/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/8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97

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 8a1e242d7dd4840b60db37d09828f24fe047f0b7d7a74af48bd3bfc68f7c0d97

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242265/

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