MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c. 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: efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c
SHA3-384 hash: 2aa03968c9fa02d7812a6cd46f749825774bdf03f224d6d72cb3f509fc4770b7b09a2faecce6153b8796c0862f8a883c
SHA1 hash: 8f63aa459a56f8fb80105e78537ef8189f1b92d6
MD5 hash: 0bbeb58e735d6bd4d0d30f150c36a15e
humanhash: oregon-victor-hamper-autumn
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'000'960 bytes
First seen:2023-03-01 22:18:28 UTC
Last seen:2023-03-06 08:30:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4l7JF/ADz1KGnlu1MRfESH9Qy9WjulkxP1MFHWGZb/NsgpJhVAQcPvanUFRBYC0q:4tSnlu12Ew9x9WhxPgH/bGiJM1FI+z
Threatray 73 similar samples on MalwareBazaar
TLSH T16E257BC637BCE122F8E7A172091511C93A39BD877211F13B9B37BB619621AFF7688500
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d6c3c1f98c8edef2 (12 x AgentTesla, 5 x SnakeKeylogger, 1 x RemcosRAT)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence

File Origin
# of uploads :
4
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-01 22:19:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b614b5e4-b119-463a-a65f-653eac545980

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/370987/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1862.14280.14516.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63ffcf5b2ea6b36966304544/reports/191b50f5-2d80-4570-a18e-a39d71e3004e/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c
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/68beda23-b874-41e7-863c-8697729cc011
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1185280
Signature
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
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 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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818134 Sample: file.exe Startdate: 01/03/2023 Architecture: WINDOWS Score: 100 63 Sigma detected: Scheduled temp file as task from temp location 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected AgentTesla 2->67 69 Machine Learning detection for sample 2->69 7 file.exe 7 2->7         started        11 gmRCHGfmw.exe 5 2->11         started        14 gcWPrHZ.exe 3 2->14         started        16 gcWPrHZ.exe 2->16         started        process3 dnsIp4 49 C:\Users\user\AppData\Roaming\gmRCHGfmw.exe, PE32 7->49 dropped 51 C:\Users\...\gmRCHGfmw.exe:Zone.Identifier, ASCII 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmpE027.tmp, XML 7->53 dropped 55 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->55 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->81 83 Uses schtasks.exe or at.exe to add and modify task schedules 7->83 85 Adds a directory exclusion to Windows Defender 7->85 18 file.exe 2 5 7->18         started        23 powershell.exe 19 7->23         started        25 schtasks.exe 1 7->25         started        27 file.exe 7->27         started        61 192.168.2.1 unknown unknown 11->61 87 Multi AV Scanner detection for dropped file 11->87 89 Machine Learning detection for dropped file 11->89 91 Injects a PE file into a foreign processes 11->91 29 gmRCHGfmw.exe 11->29         started        31 schtasks.exe 11->31         started        33 gcWPrHZ.exe 16->33         started        35 schtasks.exe 16->35         started        file5 signatures6 process7 dnsIp8 57 us2.smtp.mailhostbox.com 208.91.198.143, 49685, 49687, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->57 45 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 18->45 dropped 47 C:\Users\user\...\gcWPrHZ.exe:Zone.Identifier, ASCII 18->47 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->75 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 31->41         started        59 208.91.199.223, 49686, 587 PUBLIC-DOMAIN-REGISTRYUS United States 33->59 77 Tries to harvest and steal browser information (history, passwords, etc) 33->77 43 conhost.exe 35->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c/
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-01 12:12:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57k2kiy7ck6kushxag4c74zdcszrhzkij6v6qwlkptusqoqi64oa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06cd81198082d8438712ab708be1ef02d57bfc3a5bc65553aa5be350f0cd6081
AgentTesla
34ee1f687542eedbad8004e9f6861d4842497c08d5374bf6ea50a8af633ebc22
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478dba764af2f0d8179f62518b9d675cec897722b4bc9dc75b5bf66cbca0b9a0
AgentTesla
a46f5213113d894ca3e9dc9ec6d66ab9e46253d05d08a035a0e2e817744047a2
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a9f645191afe5a816749280ee777e840a940077ee62e30cfcf83063cab2741f3
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b97359d81ff705942e503b8a9636d0260a6de0d6c7d00fe6a104e6413eebf5b6
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b9fd7e1e9b204a2b8fe3c2ee138b05e10b49c76bb29dd20f9d4a0cebfe3b72b8
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c551529018bda5ce4f1f7c2fbbebad88a1544151676521feb0bb5fcacc4a48be
AgentTesla
ca4ae8153f345ff67fb3b4adbba7ed2714dcde706bdf9641d312da6b1aca426c
AgentTesla
f5f4515d071a9ef0fcaf8e3bb1d9f7f473f48082dfa5c25f63edb1be22e7a8ad
AgentTesla
+ 63 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/230301-18hmesaa3s/
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:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
b989b3fe3e06f8296535ac79cbbd270382bed4e3e8abc180760b1ccb27b04916
MD5 hash:
ad0a29035795b259493488430f109e18
SHA1 hash:
864c8599668e838b6151d34af0cac851b5a3b572
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
SH256 hash:
e01c2621ee90a3d64e682db0650eee385158f8b1eb552bfd06b9e834de566f01
MD5 hash:
0cd6bd6a47d889eb04ff760a692b82aa
SHA1 hash:
53e5e5968a9a602d5adbd7fef8df623ca9b6b19b
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
SH256 hash:
a46998f03ca372f55fec7e4d4de698c5d128eea00502975bf7c337b0d3372640
MD5 hash:
2f5d6edb1b87947812a05ab362fe9a27
SHA1 hash:
4a48608fa247541aae9d2d31b85a2d6c9d191f82
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
SH256 hash:
bd67fb6ce9e5e3a1a0919f3327648b0cc94a32890bf2cd29eea05e62c9fa1e19
MD5 hash:
619fd810ec051bbac2f7da259fec7a61
SHA1 hash:
2fab2daa79e378331ec0068f9f826b9fd7ad3d5a
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
SH256 hash:
efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c
MD5 hash:
0bbeb58e735d6bd4d0d30f150c36a15e
SHA1 hash:
8f63aa459a56f8fb80105e78537ef8189f1b92d6
Link:
https://www.unpac.me/results/436dbc9e-80a2-4855-8441-196f453a8889/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efd5a5231f12/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/efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c

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.

Web download

AgentTesla

Executable exe efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/370987/

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