MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f. 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 3 File information Comments
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SHA256 hash: 8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f
SHA3-384 hash: b813d1edde0759cddc01997ff17593abdbc3122e3c7c24d6c623a533e9b2b413747202ed8126e95a96bd231e6b39d464
SHA1 hash: b637be487e0272322c990ccb83bf36715b09ff40
MD5 hash: cd633c3bbe68c5f49720c13a89e380a4
humanhash: connecticut-hamper-friend-saturn
File name:PO 86PCS & Specification Required.pdf(172KB).exe
Download: download sample
Signature AgentTesla
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File size:482'304 bytes
First seen:2021-11-10 07:29:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OCy4UotD00AshY0shOH/x5uB3r6Yco63F2ojMnyT:OCy4lC0DhYKuB38oi2
Threatray 12'582 similar samples on MalwareBazaar
TLSH T14BA4023823B8C76ACA3A873D5074D0B103F4E42A6952DB9ECF8571CF7A677011A35976
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
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Link:
https://www.capesandbox.com/analysis/204633/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1098.4383.6095.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618b74ffdec3347825a106af/reports/78a5bdd5-46bb-42b4-8bfd-02b217025315/overview
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6d685d26-fbdd-49fb-ac2e-aa560a8f199e
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886527
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
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
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519000 Sample: PO 86PCS & Specification Re... Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 9 other signatures 2->53 6 PO 86PCS & Specification Required.pdf(172KB).exe 3 2->6         started        10 dwn.exe.exe 3 2->10         started        12 dwn.exe.exe 2 2->12         started        process3 file4 27 PO 86PCS & Specifi....pdf(172KB).exe.log, ASCII 6->27 dropped 55 Injects a PE file into a foreign processes 6->55 14 PO 86PCS & Specification Required.pdf(172KB).exe 2 5 6->14         started        19 PO 86PCS & Specification Required.pdf(172KB).exe 6->19         started        57 Multi AV Scanner detection for dropped file 10->57 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->63 21 dwn.exe.exe 2 10->21         started        23 dwn.exe.exe 10->23         started        25 dwn.exe.exe 12->25         started        signatures5 process6 dnsIp7 33 mail.avadis-co.com 14->33 35 mail.avadis-co.com.cust.hostedemail.com 216.40.42.5, 49846, 587 TUCOWS-2CA Canada 14->35 37 192.168.2.1 unknown unknown 14->37 29 C:\Users\user\AppData\Roaming\...\dwn.exe.exe, PE32 14->29 dropped 31 C:\Users\user\...\dwn.exe.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Moves itself to temp directory 14->41 43 Tries to steal Mail credentials (via file / registry access) 14->43 45 3 other signatures 14->45 file8 signatures9
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-10 07:30:08 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5sngx76phhqgfyxfh74kij7kuibtro3t56djeeex2ws7umidy7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
23c589943fbd3d7837f1ddf96cb86c17f62973987f6bac016ebe4dd3c01a1915
AgentTesla
262b7755d84b23c24c1adb09b22f340502d54fc19a2d501ba38ba88d1266eb3a
AgentTesla
35f0363054ae6e982853cf704f9ad7161a3c054463a2fbc2a6582c55a6eb76a2
AgentTesla
676ef153270573032364c1e312a0619c99d2da980114e66cfb302ff07e480b17
AgentTesla
6993747a36de320da76abd12add5b18ef169afa7f69ef69f6d10f47f8494cdd1
AgentTesla
ad3988279308557a80967115232764e878004c80fda39f27d48cd78ad319f552
AgentTesla
b332c650e06d11bab59af4aebc20489911399fbaa51c39a8591adc3cb84d649d
AgentTesla
ebf827e50998dc2a8476b123b502efc589577ad8cd9f27dec82a19e50160f3c0
AgentTesla
ffbad515588df376e86216b15b2a092570d1dc91116e787de8648060ef06895c
AgentTesla
+ 12'572 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211110-jbtvradfhk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/8fb62599-dbd1-4a91-934f-662f7252adcc/
SH256 hash:
61e510a43a2ad1d63850adb954a9328e0fa9597eaaa360b760f05e88ed75bf48
MD5 hash:
51412c178ab34c08648405e22be432f3
SHA1 hash:
a2eaba6eb3c7d34f3c10331fa983401c83bdb299
Link:
https://www.unpac.me/results/8fb62599-dbd1-4a91-934f-662f7252adcc/
SH256 hash:
5f35fc8212f30ddc176e788bce0dfe40e97c4422757d8d5a46a9b882a5eb27c3
MD5 hash:
f41ccf94bb9d59960a3f9d5619f7704f
SHA1 hash:
5cf9cf113a52604f4ed793007148b414903404de
Link:
https://www.unpac.me/results/8fb62599-dbd1-4a91-934f-662f7252adcc/
SH256 hash:
8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f
MD5 hash:
cd633c3bbe68c5f49720c13a89e380a4
SHA1 hash:
b637be487e0272322c990ccb83bf36715b09ff40
Link:
https://www.unpac.me/results/8fb62599-dbd1-4a91-934f-662f7252adcc/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8f64d35ffe79/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/8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 8f64d35ffe79cf03171729ffc5213f551019c5db9f7c349084bead2fd1881e3f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204633/

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