MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860. 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: c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860
SHA3-384 hash: c9f8204df686d753cc99c83ee0ab07fb259494238d580230109b8a54daade3ec5b4db808474662c534a1616e7a15b89a
SHA1 hash: f0dfc75c50e9964b4cfd138b6180bc3180905811
MD5 hash: 89e7c69e9a5b5ea0aaa6406c5af832e5
humanhash: high-six-don-lamp
File name:EX771623605317,pdf.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'933'824 bytes
First seen:2023-03-24 14:00:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:XtkfqX5Zx2ny/v/LtGZsYjot0MRzefnGod393nUweKGOpTPIvrDs8q7Z598gsEAH:qpkjr2eEGsNSz7C
Threatray 1'648 similar samples on MalwareBazaar
TLSH T1BC954BB25193FEC5E72F2E58D0042A409C102C9796BCD69CFCC9359BA2E5564EF6CBB0
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4d0c4 (10 x AveMariaRAT, 6 x AgentTesla, 2 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EX771623605317,pdf.scr
Verdict:
Malicious activity
Analysis date:
2023-03-24 14:02:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6abc306d-d9ed-4efd-858a-874e84d63746

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/377118/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cerberus greyware packed stealer
Link:
https://www.filescan.io/uploads/641dad219c109cf74b2f2d6a/reports/ba562e9a-cacd-4339-8c80-784de6992635/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e08a2f9b-8149-4bf7-a3e5-5871ff2eef30
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1201296
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 834204 Sample: EX771623605317,pdf.scr.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected AgentTesla 2->67 69 .NET source code contains potential unpacker 2->69 71 2 other signatures 2->71 7 EX771623605317,pdf.scr.exe 1 7 2->7         started        12 Vopquljxc.exe 3 2->12         started        14 Vopquljxc.exe 3 2->14         started        process3 dnsIp4 49 103.92.215.215, 21 THEWINNERIT-AS-APMohammadOhidUllahBhuiyantaTheWinner Bangladesh 7->49 43 C:\Users\user\AppData\...\Vopquljxc.exe, PE32 7->43 dropped 45 C:\Users\...\Vopquljxc.exe:Zone.Identifier, ASCII 7->45 dropped 47 C:\Users\...X771623605317,pdf.scr.exe.log, ASCII 7->47 dropped 73 Encrypted powershell cmdline option found 7->73 75 Writes to foreign memory regions 7->75 77 Injects a PE file into a foreign processes 7->77 16 aspnet_compiler.exe 2 7->16         started        19 cmd.exe 1 7->19         started        21 cmd.exe 1 7->21         started        23 powershell.exe 16 7->23         started        51 67.71.142.91, 21 BACOMCA Canada 12->51 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 25 powershell.exe 12->25         started        53 117.69.75.161, 21 CHINANET-BACKBONENo31Jin-rongStreetCN China 14->53 27 powershell.exe 14->27         started        file5 signatures6 process7 signatures8 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->55 57 Tries to steal Mail credentials (via file / registry access) 16->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->59 63 2 other signatures 16->63 61 Uses ipconfig to lookup or modify the Windows network settings 19->61 29 conhost.exe 19->29         started        31 ipconfig.exe 1 19->31         started        33 conhost.exe 21->33         started        35 ipconfig.exe 1 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-24 06:16:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y42yduj4owddb3hqxciyof446fmxpn34schs5ycr7nbiycltbbqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
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493781dc1d845e09f96742dfdc2edaef673ac5d4b2139875929166f2627dc161
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ae9f0a09b1f95cb4ef05dc51e749a6b33e641a67cbf7cafc6fef41dbbd5b7671
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c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860
AgentTesla
d6c81069f8763d1bb3ee317188270f97b60271b52ab35bd92080dde6913ad2e2
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d6e9b82599fcecb2866035aeea05ad9e614a42dd7649aea6985a22534bfa6768
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e2cffdf34c55f9b0975fc651a0f49db65ff59c34610221fe5efac13d72911310
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f3341ea77e5c8f5e57ee22b1842656ff8225d0fef647bef19d0b0fcc6b87200d
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f797a34828089feb29e7f77d31f184b335d7958755d385fad50d69fdbd3660d2
AgentTesla
+ 1'638 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/230324-rbjnsaeg63/
Behaviour
Gathers network information
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:
c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860
MD5 hash:
89e7c69e9a5b5ea0aaa6406c5af832e5
SHA1 hash:
f0dfc75c50e9964b4cfd138b6180bc3180905811
Link:
https://www.unpac.me/results/851ab9c3-ddd3-4508-ba39-ba146b5a23a7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c73581d13c75/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c73581d13c758630ecf0b89187179cf15977b77c908f2ee051fb428c09730860

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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/377118/

Comments