MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f
SHA3-384 hash: e1fa5495484b71a60ca5a1e83182ba8f39e8d5533157c58e1b3df6b1bbb3d63effba740c6e9e57a9ad450c28331246ce
SHA1 hash: 618aa5b4dc062c251b2ebdd08154b7aa851379fa
MD5 hash: 54a12f767f9ada8ab23b21f0254bfcea
humanhash: cat-king-king-twenty
File name:54a12f767f9ada8ab23b21f0254bfcea.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:520'704 bytes
First seen:2022-04-26 04:41:13 UTC
Last seen:2022-04-26 05:32:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tYna3+Skv4KDP1eHkwSSMWncAn93737rycgiQtLxqIZgq3/3:tYnaO54KDP1eH1SRWcy37pg9LxqIie
Threatray 16'582 similar samples on MalwareBazaar
TLSH T10EB422129544BB71D2DF9BFBE2133AB047FD0BD31523FA5A6C8892DB8911B14C7C096A
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)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.utleyglobalventures.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266623/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39561705.31679.11642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/626777f5fac433a7cc879762/reports/e930a660-d5a8-4dfe-8ac0-03f3d8601efe/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/85174b4f-7a3f-443a-851b-b6e69f1c271a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982930
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 615417 Sample: aG1RUdWlDq.exe Startdate: 26/04/2022 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 9 other signatures 2->64 7 aG1RUdWlDq.exe 7 2->7         started        11 mzBCZ.exe 2 2->11         started        13 mzBCZ.exe 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\iXIbQAkSB.exe, PE32 7->36 dropped 38 C:\Users\...\iXIbQAkSB.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp1B17.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\aG1RUdWlDq.exe.log, ASCII 7->42 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 68 Writes to foreign memory regions 7->68 70 Allocates memory in foreign processes 7->70 72 2 other signatures 7->72 15 RegSvcs.exe 2 8 7->15         started        20 RegSvcs.exe 7->20         started        22 powershell.exe 25 7->22         started        24 schtasks.exe 1 7->24         started        26 conhost.exe 11->26         started        28 conhost.exe 13->28         started        signatures5 process6 dnsIp7 44 smtp.utleyglobalventures.com 193.37.212.50, 49741, 49748, 587 BELCLOUDBG Bulgaria 15->44 34 C:\Users\user\AppData\Roaming\...\mzBCZ.exe, PE32 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 56 3 other signatures 15->56 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->54 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f/
Threat name:
ByteCode-MSIL.Trojan.RealProtectPENG
Create hunting rule
Status:
Malicious
First seen:
2022-04-26 01:03:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=seatvmfqtglimzzolqw6ck3v6vqqv7o2tbsjivwittq7i7e4fvxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
341b8a2dd41846720d1e03fcc1d11e1ca48e1b274e1d209ee3cc1ced7684baf0
AgentTesla
4154bbb1bc580a874dc084a8017a6bb5a6243c29cddbf47dee3d0ca768b5936f
AgentTesla
49a53fb698c6608f315ec4176b93a2334e99cbcc3bb37fab5d3062bc390961f4
AgentTesla
5aedb0ba908f5f8051911d2da6de7df46c7729592396cc4d5b6d5ca4312e6f62
AgentTesla
86f7d6824e26de3b443252084400ace86c647ae384be9642179577fd86283ccb
AgentTesla
a059d9dac9bc7b44111b295efc8bd368f7c8fff74266531bd66d12c42442c9bf
AgentTesla
a9a408d31e22b804814547f310ef70cfa3fe6369d0779b20df479f6096694f0e
AgentTesla
+ 16'572 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/220426-fbnrysbac5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla
Unpacked files
SH256 hash:
fb6d76937cb9daed3320bf366769dd997c58610eb1762c7e2bfa923a76af6a89
MD5 hash:
d83a1733a891e90a57c5bc5e1cb03022
SHA1 hash:
f10f19eb25f6ec4e7adbd5cea0d6e427c7596498
Link:
https://www.unpac.me/results/d4c1cef7-f63a-4685-b162-4f6239cd847c/
SH256 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
Link:
https://www.unpac.me/results/d4c1cef7-f63a-4685-b162-4f6239cd847c/
SH256 hash:
38b37241f077232634a9cc720adc8bf24d988e73a58d5e224c955c2a0520e722
MD5 hash:
95d9747eccf709d71c77b1573aa70604
SHA1 hash:
cec29d0a9cbe9450402d464ceae5448d34e39ab4
Link:
https://www.unpac.me/results/d4c1cef7-f63a-4685-b162-4f6239cd847c/
SH256 hash:
de6322fc7381ecf49f6e42eb573f1c3506cd3b6cf00c0ecba6a177d5ab02d949
MD5 hash:
48713778d66485172038d2d6249fcff5
SHA1 hash:
42eacb4ef0f14a6a9c2ffb97479d74fc2b5ffde9
Link:
https://www.unpac.me/results/d4c1cef7-f63a-4685-b162-4f6239cd847c/
SH256 hash:
91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f
MD5 hash:
54a12f767f9ada8ab23b21f0254bfcea
SHA1 hash:
618aa5b4dc062c251b2ebdd08154b7aa851379fa
Link:
https://www.unpac.me/results/d4c1cef7-f63a-4685-b162-4f6239cd847c/
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/91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f

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:pdb2
Create hunting rule
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 91013ab0b0999686672e5c2de12b75f5610afdda98649456c89ce1f47c9c2d6f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2163846/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/266623/

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