MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231
SHA3-384 hash: 08ddfa9f399db05afa5c561bfcaeb4f7337f3ac36be77f3a639f4e2f0844ec2b1223fa2a082784737d50b470f4b999af
SHA1 hash: 82e7f707cb3823eca34a03d493bd88976c2c9bed
MD5 hash: c27acc99daf03d2abca620f8ceeed09f
humanhash: illinois-vermont-single-speaker
File name:c27acc99daf03d2abca620f8ceeed09f
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'167'360 bytes
First seen:2022-05-10 10:00:46 UTC
Last seen:2022-05-10 10:39:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vXj8fxt7J0PLRCBZezwv+0eGbTyLuxD3s+ytmnu2WfLM6UCKD0wSefE1cIW6JviR:P+2PtCB1v+0puLu13sHtebWz
Threatray 17'165 similar samples on MalwareBazaar
TLSH T1054528987254F5DEC857D071CA685CF0AB207C66C32B820B50173D9EB97EA83DF219B6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Product_items.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-10 09:20:59 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/fe7e835c-dc59-4e71-ac6a-d3449d38702f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.12705.9769.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/627a37f3be0219041a8d066f/reports/16ff3131-d71b-40b7-9893-1f9e446b2104/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8049a325-5823-43cd-ba98-fad0b96f673f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990835
Signature
.NET source code contains potential unpacker
Found malware configuration
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)
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: 623331 Sample: WSSXHPLWvc Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 4 other signatures 2->51 6 WSSXHPLWvc.exe 3 2->6         started        10 AheGmkp.exe 3 2->10         started        12 AheGmkp.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\WSSXHPLWvc.exe.log, ASCII 6->25 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 14 WSSXHPLWvc.exe 2 5 6->14         started        19 WSSXHPLWvc.exe 6->19         started        57 Multi AV Scanner detection for dropped file 10->57 21 AheGmkp.exe 2 10->21         started        59 Injects a PE file into a foreign processes 12->59 23 AheGmkp.exe 12->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 162.222.225.29, 49770, 49782, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\AheGmkp.exe, PE32 14->27 dropped 29 C:\Users\user\...\AheGmkp.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 33 162.222.225.16, 49785, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->33 41 Tries to harvest and steal ftp login credentials 23->41 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 10:01:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55rtu4sr7t6ppb6f5xiiqxi2lsw7zjc2xfah53rbgsi3kz7ekiyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5fa21d45a8b8150fa278d16bfd918344bbd3c102318d0e35b53d10a412b9e21d
AgentTesla
7bb212946fdeb406c7aa8f691405d185065514d5dc1f269f8e409762ff9f6915
AgentTesla
94f91d2d02707611f3944b2de5358c95885b76f1a21815153995c46728703285
AgentTesla
a6b250ec9613b293e9333e2410623c19e3e3544df34525a607dd0ecd36f138f6
AgentTesla
cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e
AgentTesla
e93e184bdd79942741080f43ec59940240a63961ae3c0e4eb0c63bf2886254d8
AgentTesla
+ 17'155 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/220510-l17t1sbcbk/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
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:
1ab920229cd89a863ad1b395cd8377551cc63476b3ef4336141f29c2af4e9c42
MD5 hash:
32be7e9e7268299061960da735025459
SHA1 hash:
43fff09a42a141b22dffd512ac1c16f5317c1938
Link:
https://www.unpac.me/results/19cb8915-e90f-4941-b68b-9c2b0c0e1867/
SH256 hash:
5df8f31d129620873a6fb148cef6fe816d6162b05a41e47dc80f9f4d2d412095
MD5 hash:
b94d6d6e336bfea13001e7adbfb3ae63
SHA1 hash:
470ed71559dbdc08532f3efedb385b48e837dae4
Link:
https://www.unpac.me/results/19cb8915-e90f-4941-b68b-9c2b0c0e1867/
SH256 hash:
753bb6d3f2107a7ed0071a4efa04ddb1a9d09edbeb382020e4d558d46b572048
MD5 hash:
b5911e16822a39925df899d348f05e0f
SHA1 hash:
47690a21ed470fae27fa0e315dbbee4d97dd43ee
Link:
https://www.unpac.me/results/19cb8915-e90f-4941-b68b-9c2b0c0e1867/
SH256 hash:
dd8be2c72e7ea6ac10647bac16ce60c268c2fb78aa83e25d265f7e60c026d46a
MD5 hash:
210a347949adf8331f8497e29f8a5e88
SHA1 hash:
ad5816b9573225816cdcb6458e28740d1a832576
Link:
https://www.unpac.me/results/19cb8915-e90f-4941-b68b-9c2b0c0e1867/
SH256 hash:
ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231
MD5 hash:
c27acc99daf03d2abca620f8ceeed09f
SHA1 hash:
82e7f707cb3823eca34a03d493bd88976c2c9bed
Link:
https://www.unpac.me/results/19cb8915-e90f-4941-b68b-9c2b0c0e1867/
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/ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231

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.

Web download

AgentTesla

Executable exe ef633a7251fcfcf787c5edd0885d1a5cadfca45ab9407eee213491b567e45231

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2186952/
  
URLhaus
https://urlhaus.abuse.ch/url/2188189/

Comments


Avatar
zbet commented on 2022-05-10 10:00:48 UTC

url : hxxp://198.23.251.5/law.exe