MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 577aa281bb4792c49cc9ce19ed634d311a3327a4d0a4f4486ff0dc1c3b1bc905. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 577aa281bb4792c49cc9ce19ed634d311a3327a4d0a4f4486ff0dc1c3b1bc905
SHA3-384 hash: 2960803ef2449ed217b2e89ba0980d2ec5b5f6c28b59b3d21187176fb69a625db41d324fdc209f8bc3ec34fe2340b8ce
SHA1 hash: 677ff6f0acb8d3b176542dd5475a30e4401e3b2b
MD5 hash: 0cb1187216b54015b3a415dc734dbb50
humanhash: one-kentucky-illinois-princess
File name:Revised invoice - VPO200024-59 VPO200024-151 VPO210001-4142 VPO210003-8.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'244'160 bytes
First seen:2021-12-17 09:36:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:wVqmpI+CDSK35ucCp1dFCkTbCHkL30ujxoE1k:wVqmpI+7K35ucCpvMgbLLk/E
Threatray 13'481 similar samples on MalwareBazaar
TLSH T16A45178525AD3B65FC7953F800AA5C94C3BA7D2A71BAC68D4CC331E72973F924850E1B
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
677ff6f0acb8d3b176542dd5475a30e4401e3b2b
Verdict:
Malicious activity
Analysis date:
2021-12-17 10:05:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/71de1663-5372-41ea-8872-b51cd564ebc2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/214761/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/61bc5a428541392eb4ebfa56/reports/a8c9624d-c60f-41cc-99db-d829126dc5a0/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/de1a215a-e3c7-4581-b688-69fc70981068
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/908981
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
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
Installs a global keyboard hook
Modifies the hosts 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: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicius Add Task From User AppData Temp
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 541459 Sample: Revised invoice - VPO200024... Startdate: 17/12/2021 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 14 other signatures 2->70 7 Revised invoice - VPO200024-59 VPO200024-151 VPO210001-4142 VPO210003-8.pdf.exe 7 2->7         started        11 kprUEGC.exe 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\...\adPlIbeQtsZX.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp146C.tmp, XML 7->46 dropped 48 Revised invoice - ...10003-8.pdf.exe.log, ASCII 7->48 dropped 72 Adds a directory exclusion to Windows Defender 7->72 74 Injects a PE file into a foreign processes 7->74 15 Revised invoice - VPO200024-59 VPO200024-151 VPO210001-4142 VPO210003-8.pdf.exe 7->15         started        20 powershell.exe 24 7->20         started        22 powershell.exe 24 7->22         started        24 schtasks.exe 7->24         started        76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->78 26 schtasks.exe 11->26         started        28 kprUEGC.exe 11->28         started        signatures5 process6 dnsIp7 50 palumalimited.com 174.136.29.110, 49805, 587 IHNETUS United States 15->50 52 mail.palumalimited.com 15->52 54 192.168.2.1 unknown unknown 15->54 38 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->38 dropped 40 C:\Windows\System32\drivers\etc\hosts, ASCII 15->40 dropped 42 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->42 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Tries to steal Mail credentials (via file / registry access) 15->58 60 Tries to harvest and steal ftp login credentials 15->60 62 4 other signatures 15->62 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/577aa281bb4792c49cc9ce19ed634d311a3327a4d0a4f4486ff0dc1c3b1bc905/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-17 02:38:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
74
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k55kfan3i6jmjhgjzym62y2ngendgj5e2cspisdp6dobyoy3zecq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05c744b20df523ca0ebd41c0b9f43474fdf52754dd65b87bd5c0cf32cc2e8b88
AgentTesla
20c4c25a7ca808bcf92858f5fa653a7d50cd2f14d125bddcf8420641d95b8254
AgentTesla
2236d77769e9548b1999f5b34f0be7dd97785796f9f1ca7ee52657455553c916
AgentTesla
8aad37f11743588002ae17b9be7e92afe8389e29e3522d02b2541fcb0d18fbea
AgentTesla
91069bfb988e568d03cba95913d32fd41d2c1548376fb41148b1a34b2b045b47
AgentTesla
94fe9e482aec4bab4910b36e3d922b0df239c3c88e56d1b3372140f69d280bc4
AgentTesla
ea07a10007663fb5675e3db484f540305d3eb3039018527a6a8c49f1fa0ff97b
AgentTesla
+ 13'471 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/211217-llgz2sddf4/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1211b564942b404af8d4506c4365ee4dc70d86e030792aa4bf780d5556348b89
MD5 hash:
ebe4ed2fca8167640ae5b16bf55684a6
SHA1 hash:
da3b751f210e0e93c68dec8e931d792cb5e847c1
Link:
https://www.unpac.me/results/bfc67f42-8ad5-4203-a620-a6e3690fe1f8/
SH256 hash:
932879f6d60163489179acbc8af61b87f7f33fd7f6311dabd29faa3cf16f41a5
MD5 hash:
be8ddca3a13108af85f57ee4ff0227f9
SHA1 hash:
7d92de1a6d7fcd39f3172b0d1f86b0c2b4ec8c7f
Link:
https://www.unpac.me/results/bfc67f42-8ad5-4203-a620-a6e3690fe1f8/
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
Link:
https://www.unpac.me/results/bfc67f42-8ad5-4203-a620-a6e3690fe1f8/
SH256 hash:
577aa281bb4792c49cc9ce19ed634d311a3327a4d0a4f4486ff0dc1c3b1bc905
MD5 hash:
0cb1187216b54015b3a415dc734dbb50
SHA1 hash:
677ff6f0acb8d3b176542dd5475a30e4401e3b2b
Link:
https://www.unpac.me/results/bfc67f42-8ad5-4203-a620-a6e3690fe1f8/
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/577aa281bb4792c49cc9ce19ed634d311a3327a4d0a4f4486ff0dc1c3b1bc905

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/214761/

Comments