MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce
SHA3-384 hash: b9c5f798bcd09d93ba528b16acef9706e4caabcb0cda84a46e44f2db404b48e0c4ebe7c473a9c42f534c92d695fe5435
SHA1 hash: 386da78b6f1b31e383c9a11e6ce00bac03ad22dc
MD5 hash: 332a7112f5b8981b76ac6dffcbfaf950
humanhash: london-autumn-apart-sink
File name:Purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:469'504 bytes
First seen:2021-10-28 10:17:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:36pApQxXF+k/BGDZPuPO82yG9gc96vtej+GjSpDip:36pAwXFaDZEOxysg3vte
Threatray 12'367 similar samples on MalwareBazaar
TLSH T1F2A4E0487768F59FC41BCF3698A51C20E671A8636307D307A997129C9B2F7DA8E046F3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
www.exe
Verdict:
Malicious activity
Analysis date:
2021-10-28 12:57:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a87e9d37-97e9-45e8-b7b0-1ed670a94e6b

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/200884/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.243.1280.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/617a78df9a5a1e91c5d9913a/reports/4bce1909-9e4e-45e5-9040-93033a418bc5/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c0ae4aad-1a7b-478d-be1a-4b6fc5960a4a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/878559
Signature
.NET source code contains very large array initializations
Executable has a suspicious name (potential lure to open the executable)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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
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 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 dnsIp2 2 Behavior Graph ID: 510992 Sample: Purchase order.exe Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 41 mail.diva-italia.com 2->41 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 11 other signatures 2->61 8 Purchase order.exe 7 2->8         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 1 2->13         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\pfaFKRqoyi.exe, PE32 8->29 dropped 31 C:\Users\...\pfaFKRqoyi.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmpFD68.tmp, XML 8->33 dropped 35 C:\Users\user\...\Purchase order.exe.log, ASCII 8->35 dropped 15 RegSvcs.exe 2 4 8->15         started        19 RegSvcs.exe 8->19         started        21 schtasks.exe 1 8->21         started        23 conhost.exe 11->23         started        25 conhost.exe 13->25         started        process6 file7 37 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->43 45 Tries to steal Mail credentials (via file access) 15->45 47 Tries to harvest and steal ftp login credentials 15->47 53 3 other signatures 15->53 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->51 27 conhost.exe 21->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 10:18:06 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mp2jbjilvqqvrpies6papkqsaggnjxxzoievovlvtaettskfldha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0bec1813fd645f0c1dd84ddf277999b79f1c07a94e6574a345d70184d8bfbc47
AgentTesla
123de48e610d4e6dacfb9722ccf5073154cd419537a7b60aa510d81e06e51404
AgentTesla
45107c3a3f9ed2f7d5beec0ac10eacc2bf90da8ddcaf9e279337dce1b5abde0d
AgentTesla
6bbec289761e29f2118ce99e40cd65abb5428d53806158c5898c5db5f252af96
AgentTesla
82e86d82b4d3492465f83d7c46a834488b45ee7de90200c141f54bca128c508d
AgentTesla
9d1257335a482231b0cba62949e5470f23130dd0449453ffcecb0c3879d80b24
AgentTesla
cde036f2afa7aab3e775edf993ec455176f25bba3dd9440d0853945e425131a3
AgentTesla
ce2c29bbd18352557dd6fb16e294265d66d8d13e6d0586ef8030bbeb28e0cc97
AgentTesla
d7e04b393a25f29b335ec5b662fa6d11c9ffecb977151036c3a51281298a920c
AgentTesla
fb544a3b7a3f9bdf2b36abf7d2e8700ed832ce6857718124fed2e06605760219
AgentTesla
+ 12'357 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/211028-mby19acah3/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0457f724a66509096ed62ab8c52c59aed202823e4e5e6d3ae187ae6bbb1e5fe5
MD5 hash:
5439c69b747468711f517cc79b95e94f
SHA1 hash:
e185b8c257942767917dd15c43e15edcd0055fd1
Link:
https://www.unpac.me/results/54b35d04-0e9a-4747-8deb-eac0a673bc4f/
SH256 hash:
992b373b36e39ac73ec646d8a76372521bc348a2240f3c03bf018736868db631
MD5 hash:
903b8d472755976eb9dc2c89f669c807
SHA1 hash:
6b1a16085b8d937625e42503a753747173b34868
Link:
https://www.unpac.me/results/54b35d04-0e9a-4747-8deb-eac0a673bc4f/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/54b35d04-0e9a-4747-8deb-eac0a673bc4f/
SH256 hash:
63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce
MD5 hash:
332a7112f5b8981b76ac6dffcbfaf950
SHA1 hash:
386da78b6f1b31e383c9a11e6ce00bac03ad22dc
Link:
https://www.unpac.me/results/54b35d04-0e9a-4747-8deb-eac0a673bc4f/
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/63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce

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.

Malspam

AgentTesla

Executable exe 63f490a50bac2158bd04979e07aa12018cd4def97209575575980939c94558ce

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/200884/

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