MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e
SHA3-384 hash: bf3e112e2eddc2ddc86f803562578d4c464b2e7377e06b9751db9a16ffd92892d8e921d77886473aca7060349f27d32e
SHA1 hash: efcfbf51aee2166df873ec7bd30960c03a594b6b
MD5 hash: a8120a32f23a2bedff0f6a7fe07f35cd
humanhash: carpet-white-alaska-delta
File name:Invoice AR20230714N.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'030'144 bytes
First seen:2023-07-17 08:44:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:M56h9GQIut7DAWm2xBvDEtGxU5UdJdqolLhY7b7J12H97oVOzWwdgKaEKf6P7r9O:J9z70r2DvAtGS5baH1oVegKadi1q
Threatray 4'916 similar samples on MalwareBazaar
TLSH T10C255B46B9801A57D82E433E103CDA78A6EEAD5D563ED82C34DDBA6373FA249041D70B
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 d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter obfusor
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
AR AR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Invoice AR20230714N.exe
Verdict:
Malicious activity
Analysis date:
2023-07-17 08:44:48 UTC
Tags:
stealer agenttesla trojan
Link:
https://app.any.run/tasks/32502621-b421-46de-a6cd-b2887f7e8030

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/422150/
Detection(s):
SecuriteInfo.com.Variant.Ransom.CryptoJoker.8.17963.16762.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
DNS request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade packed replace
Link:
https://www.filescan.io/uploads/64b4ff90c7643f862f33d004/reports/04ebbdee-dbd7-4b86-8706-f34aaa626c7a/overview
Verdict:
Malicious
Labled as:
Ransom.CryptoJoker.Generic
Link:
https://www.hybrid-analysis.com/sample/45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e
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:
Malicious
Link:
https://analyze.intezer.com/analyses/becb802f-5551-4b40-8b30-e8c0752e5eb3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1274284
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274284 Sample: Invoice_AR20230714N.exe Startdate: 17/07/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Found malware configuration 2->42 44 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->44 46 6 other signatures 2->46 7 Invoice_AR20230714N.exe 6 2->7         started        11 NzAuYk.exe 2 2->11         started        13 fCVSa.exe 2 2->13         started        15 fCVSa.exe 1 2->15         started        process3 file4 32 C:\Users\user\AppData\Roaming32zAuYk.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpBD6F.tmp, XML 7->34 dropped 36 C:\Users\user\...\Invoice_AR20230714N.exe.log, ASCII 7->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 17 RegSvcs.exe 2 9 7->17         started        22 schtasks.exe 1 7->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Machine Learning detection for dropped file 11->64 24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        signatures5 process6 dnsIp7 38 webmail.mdist.us 192.185.226.148, 49693, 49694, 587 UNIFIEDLAYER-AS-1US United States 17->38 30 C:\Users\user\AppData\Roaming\...\fCVSa.exe, PE32 17->30 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->50 52 Tries to steal Mail credentials (via file / registry access) 17->52 54 2 other signatures 17->54 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2023-07-16 16:19:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
73
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ix2hzffgsqnfhyio36acdykx2pvxjvw4arkzav5velgjzprqmupa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
07f01993306030d708dc2b5b42d4a6aef41c0c2f597aca066138689a6722a25d
AgentTesla
158d9c5a8c7290c638708e4843cb732e395c1ef4d782e1425220cb54467f27dd
AgentTesla
24c73577bbb03f99481ddb147930b9289482627c423c816438cfa1eaca58347e
AgentTesla
5246086c7222bea3cffcdf5b680196b1369a9730657eeb2f2c5940b7633da65e
AgentTesla
5fb756286d572b94dac56ac37ef20f096fbb55f058b6c5189f79d88e7a6bbc6b
AgentTesla
88c0c93c2fd81084ffae61e7813819c8a782c98376d2c4514c18a4ac1553cae1
AgentTesla
8f4a4002934b09591e8b6f95a9ec20ff0ae4ddc48dd869bd76fc9d9f9c59f72e
AgentTesla
9605975e8a60b03447b1b508f4fa2c0640ff6662481b622b8db8060302b01fd1
AgentTesla
afd78ef3553a916ecdcf074bf723cf591195039efe6632ffe822e9b021c9d2de
AgentTesla
f468e71c51b81601ee1c836199470b669e9c5dd83d931890b406dc82744bdd1a
AgentTesla
+ 4'906 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/230717-knqvasah74/
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
AgentTesla
Unpacked files
SH256 hash:
2c90d7215c9013b671cf16342c927c5c9bc9ab1b3b6557fc28808a2e344c2e78
MD5 hash:
e2f5fd68b33a8ecbf6decd86d8ba30a1
SHA1 hash:
ccff99213efdaf6bd6346c2845963613c2f4b2a0
Link:
https://www.unpac.me/results/c235009c-df46-4b75-b971-0548a5d884d4/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/c235009c-df46-4b75-b971-0548a5d884d4/
SH256 hash:
f08d5bc21d2ba958395eeb3ade7f826dc215a378c546ee57ae2c47811649397a
MD5 hash:
33803cc4349a6561c155cf9a217efc5e
SHA1 hash:
771cf4815ccd9b73b70d60443c9ee6aab1687df1
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/c235009c-df46-4b75-b971-0548a5d884d4/
Parent samples :
43ce74b24e828ba294f7247f66878e92d965555ffc05a06299e2e4938bae5ccc
bcf230d03813cc656b56bcb5331cd946cc976a25657b62ff89e3b97f9a7b089c
45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e
f468e71c51b81601ee1c836199470b669e9c5dd83d931890b406dc82744bdd1a
9605975e8a60b03447b1b508f4fa2c0640ff6662481b622b8db8060302b01fd1
SH256 hash:
45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e
MD5 hash:
a8120a32f23a2bedff0f6a7fe07f35cd
SHA1 hash:
efcfbf51aee2166df873ec7bd30960c03a594b6b
Link:
https://www.unpac.me/results/c235009c-df46-4b75-b971-0548a5d884d4/
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/45f47c94a6941a53e10edf8021e157d3eb74d6dc04559057b522cc9cbe30651e

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: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/422150/

Comments