MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c
SHA3-384 hash: 1953563ec88df274abe9ffca644525749f6b06deeeaae843fd4a9b8b00cd5873436a9c6dc7effc95831a3bbd96c2b01b
SHA1 hash: 9b6347e063466a4cb98745a12322597dbb3fc089
MD5 hash: 7105b90fb38cbfb87c81324292b69102
humanhash: may-sodium-muppet-bakerloo
File name:rNewPOSPL036570_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:330'179 bytes
First seen:2023-04-03 12:26:03 UTC
Last seen:2023-04-04 18:48:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6rJVwps42oP2koYyBKxcUu+oR7KavJ33iyKg/fJC8mD7sKdLthJXYeVpdA8zi:/YBspseXZXxcvUaRnIGfJ0zphJI
Threatray 1'776 similar samples on MalwareBazaar
TLSH T146641200B2758867E4720B312EB11A96AFF6B90514B8C30777B077D5397A2938E2F763
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rNewPOSPL036570_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 12:29:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c572df67-f6bc-47e2-9d19-a0be04e647f2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/379619/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29978.30489.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76289/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/642ac5ddc56b2da73aca8460/reports/ee67c2da-7e6b-4baf-a80e-bd98c81c2141/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c
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/7c70fc34-f2bb-4208-9e38-bbc9ef6563b1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1207480
Signature
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840395 Sample: rNewPOSPL036570_pdf.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 Machine Learning detection for sample 2->40 42 Initial sample is a PE file and has a suspicious name 2->42 7 rNewPOSPL036570_pdf.exe 19 2->7         started        10 Ajfh clhqa.exe 2->10         started        12 Ajfh clhqa.exe 2->12         started        process3 file4 26 C:\Users\user\AppData\Local\...\moyiaku.exe, PE32 7->26 dropped 14 moyiaku.exe 1 2 7->14         started        18 WerFault.exe 10 10->18         started        20 WerFault.exe 10 12->20         started        process5 file6 28 C:\Users\user\AppData\...\Ajfh clhqa.exe, PE32 14->28 dropped 52 Multi AV Scanner detection for dropped file 14->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->54 56 May check the online IP address of the machine 14->56 58 2 other signatures 14->58 22 moyiaku.exe 15 7 14->22         started        signatures7 process8 dnsIp9 30 smtp.yandex.ru 77.88.21.158, 49685, 49686, 587 YANDEXRU Russian Federation 22->30 32 api4.ipify.org 64.185.227.155, 443, 49684 WEBNXUS United States 22->32 34 2 other IPs or domains 22->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->44 46 Tries to steal Mail credentials (via file / registry access) 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 50 Installs a global keyboard hook 22->50 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-03 09:38:54 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yh7kgbyofqedn7xjgdhdsoszpymkjq4dus5aa5ya2y4pnkkw3iwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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60230d8230a3927a13571a6c4a9373a064211251e65633f9c6c1f1881bc08d1f
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686579ac798116984a5f68c10fff3ae521d14c3cfc5e7891618a963693dfeb6f
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89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
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8baf546dcd2dc51c04c029bc9fde4b160ee559ff83645883a6dccae20d7b6021
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96c1f2e81dd6ac90324fe3eebbbd592670b5769adf64c8a73fb345d1749d4b02
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d9d9e3cc542fd9391c9ae953b0071b0a4a450df7d6e3e5563df812b128ab2620
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e4ca87fac85f0032cb52f65a875cb1ff2d9152dca9dadf141e7b5475132e773a
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f873aff34af07e0be6364498ef313f9e21454ba6fcab0a24c5da2a438de2770c
AgentTesla
+ 1'766 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/230403-pl98dagb9t/
Behaviour
Suspicious behavior: MapViewOfSection
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
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
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:
3667d8c60c4953f078cd261e7ee0cc9447d1cc98a4d6977925f2a85bd02af14e
MD5 hash:
832c91c51492320ea1b00f1e3ebee546
SHA1 hash:
78ce4a0b7caac652ae59a9eb9c01854b66fa563b
Link:
https://www.unpac.me/results/aa0391cf-55e1-403a-8b62-31817f3fad4b/
SH256 hash:
c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c
MD5 hash:
7105b90fb38cbfb87c81324292b69102
SHA1 hash:
9b6347e063466a4cb98745a12322597dbb3fc089
Link:
https://www.unpac.me/results/aa0391cf-55e1-403a-8b62-31817f3fad4b/
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/c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/379619/

Comments