MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040
SHA3-384 hash: 2199f07afc9c9e92e3ea0d7e1a749c11454e515ee7847707903d8c91b1f7594490574468c2a7b46ba8fb3299f8995672
SHA1 hash: 7d60f1902b50e4bcde2d5b924616c006263d1025
MD5 hash: e60db5a330e16328772bdba842f29950
humanhash: hydrogen-north-potato-nineteen
File name:Payment slip URhcolexFq2SKzCxls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:508'928 bytes
First seen:2021-11-26 11:50:54 UTC
Last seen:2021-11-29 07:57:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+lMs0LixBFm0H+Sq/qitHiqFrvX58V54DHptsgTsrq:+Ws0Li1PH+Sq/3tjvX5q54QgTp
Threatray 13'078 similar samples on MalwareBazaar
TLSH T1A4B4122553B84221CBCC8B3670A48255573FA226FA0FDB5837E5B1A91AD631317327EF
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment slip URhcolexFq2SKzCxls.exe
Verdict:
Malicious activity
Analysis date:
2021-11-26 11:55:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/37c64753-9d20-4ecd-88dd-cac4d96cb307

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.53056.995.26624.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61a0ca28f36138de3f3edb89/reports/fbda1c87-810a-4a30-9c17-5b5c1ad3b078/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ac243ac4-a5ea-402a-94b3-e1aa61e9c455
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896677
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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: 529158 Sample: Payment slip URhcolexFq2SKz... Startdate: 26/11/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 11 other signatures 2->43 7 Payment slip URhcolexFq2SKzCxls.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\uCIoiPghTVE.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpBB87.tmp, XML 7->27 dropped 29 Payment slip URhcolexFq2SKzCxls.exe.log, ASCII 7->29 dropped 45 Adds a directory exclusion to Windows Defender 7->45 11 RegSvcs.exe 6 7->11         started        15 RegSvcs.exe 7->15         started        17 powershell.exe 23 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 31 208.91.198.143, 49834, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->31 33 us2.smtp.mailhostbox.com 208.91.199.223, 49832, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 35 192.168.2.1 unknown unknown 11->35 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->57 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-26 00:47:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnecg27ulqdziwoh7m52bfa45dpbnisi7fkwcxjq3kltbgczkbaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2fdb4786a7989663dd0873cd19eefcdb4a5bdc1dfe3d870c41da43b35cf9dacd
AgentTesla
3905a71c3e23f4845d1201f74ac1c9c041b0254ff486a3ea4fc2bb7119631ce9
AgentTesla
49121cf42d9ee0f820e76416c3bd0ea7f69036fde442ca8ad2a69737c50ac97e
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7fc473e71a4cc415265c536fe6ce3333d269ae5b8b80bcaec49cfd1916b81df3
AgentTesla
9246176ddd535c1d48514759ef33e8a129dc6881f685580484a8291940ea5e85
AgentTesla
b82421f869673a50e627715bc589112e3369c72a8084fd2d3b56c540cd5b78dd
AgentTesla
e8ce5985ee1a483e58a51299ba46bb084dd61b5adc33a1c0c903bb9b31beb66d
AgentTesla
+ 13'068 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211126-nz6axacbal/
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
99c1230109731b0dcfa8684942c13bc493b89bd58d6f180d6168d423f7ffb27c
MD5 hash:
1ab31f1dcc591c8b7aac4fc3d7625669
SHA1 hash:
c5dda89dd5176b1dea2f74637b4a5933148ab37e
Link:
https://www.unpac.me/results/c05f3318-1525-43e5-941c-d670fb2f8b54/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/c05f3318-1525-43e5-941c-d670fb2f8b54/
SH256 hash:
594f8ebfdb53a60984e89db41c02172cfc8d0937f490a87ebbbf3b92d81e8ce2
MD5 hash:
20aaffc62935982252d44f85da2d3108
SHA1 hash:
36d7902e3a2a180b5e01de265dc517b032f874ee
Link:
https://www.unpac.me/results/c05f3318-1525-43e5-941c-d670fb2f8b54/
SH256 hash:
5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040
MD5 hash:
e60db5a330e16328772bdba842f29950
SHA1 hash:
7d60f1902b50e4bcde2d5b924616c006263d1025
Link:
https://www.unpac.me/results/c05f3318-1525-43e5-941c-d670fb2f8b54/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5b48236bf45c/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/5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040

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
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 5b48236bf45c079459c7fb3ba0941ce8de16a248f955615d30da973098595040

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209748/

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