MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b
SHA3-384 hash: edeccf5e8ee37dca501e0c2161a123204ae2f0a59229cada1d3036d0bcf455b70d9a60007a7ca7e3b2e461e9260803f9
SHA1 hash: 774c1d793e2eaff250407ab44fd5f2b4e7b3ee13
MD5 hash: 303b821149dc5966494814d480116e11
humanhash: paris-river-july-enemy
File name:Fatura_SUN2023000001661,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:526'057 bytes
First seen:2023-01-23 07:19:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:cYVAdHC42vi+sNvSPJvWNk5fVS9CVM60QLf406:cYadHC42qfvSPRWNal6dCf4l
Threatray 23'010 similar samples on MalwareBazaar
TLSH T1A9B401623B94C94BE24204B6453AF7B9ABEDAD4C1DA65213B3193F3DBB397426D03311
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 70989ecc969e4db0 (1 x AgentTesla, 1 x DarkCloud)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Fatura_SUN2023000001661,pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-23 07:20:04 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/813fac93-ea2e-4059-9539-04a5fa2f4957

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/355770/
Detection(s):
SecuriteInfo.com.Variant.Lazy.264429.12913.24487.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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/62389/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ce35231c9cbf7d62519268/reports/c463f0d3-b8ec-4126-8d5f-0211cab4942c/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ff8d894-c2c7-4c5e-a754-14d20d27de95
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1156759
Signature
.NET source code contains very large array initializations
Contains functionality to detect sleep reduction / modifications
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 789491 Sample: Fatura_SUN2023000001661,pdf.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 7 Fatura_SUN2023000001661,pdf.exe 19 2->7         started        10 poaytudggvldjh.exe 1 2->10         started        13 poaytudggvldjh.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\skcym.exe, PE32 7->33 dropped 15 skcym.exe 1 3 7->15         started        55 Multi AV Scanner detection for dropped file 10->55 57 Contains functionality to detect sleep reduction / modifications 10->57 19 WerFault.exe 4 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\poaytudggvldjh.exe, PE32 15->35 dropped 39 Multi AV Scanner detection for dropped file 15->39 41 Detected unpacking (changes PE section rights) 15->41 43 Detected unpacking (overwrites its own PE header) 15->43 45 5 other signatures 15->45 27 skcym.exe 17 4 15->27         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 37 api.telegram.org 149.154.167.220, 443, 49699 TELEGRAMRU United Kingdom 27->37 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->59 61 Tries to steal Mail credentials (via file / registry access) 27->61 63 Creates multiple autostart registry keys 27->63 65 2 other signatures 27->65 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-01-23 06:35:43 UTC
AV detection:
13 of 39 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktyeeja2uvw3yqxazeb7whw253exe2zoryqsufqdfnfgvfchr5vq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2b9b066e3049207623a9b58439eedeb0c226895e8a37431fb65ab15fc168636e
AgentTesla
4dfcba72b64ae285fee5ba43764d81e4c436ce8df68730405c197b5ac69d3698
AgentTesla
6543878515a5e8784078d84651b4ce35d0acc54a271c5174d750d942601e0055
AgentTesla
7c042716cacb46c8c1a105fd13ceb1093f20d28c869623c4d2236805876a9f1d
AgentTesla
95a8238b2958dc1c5a20051c6e8952ac1a68c359aa348b9e4506d9b7e0d4a55d
AgentTesla
9b19f138d170fb4ac954ca804d5877bdfd4f6d3342fde823a9fe7a6a69c078a5
AgentTesla
d3c2f6c0cf022d926366f343c1048acf8fee9575f42d700cce3f0ffc9605d33d
AgentTesla
+ 23'000 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/230123-h535vacc58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
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
Executes dropped EXE
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5932499274:AAFVgY_mSAbCu0fXfBWMuUmyk56JtTf6--Q/
Unpacked files
SH256 hash:
885b9d63d8849c7fac19b47a827acf8ce4919a0bfaaace5a0868959cbfebab63
MD5 hash:
36daae84fbaca3639697d81546a53488
SHA1 hash:
8e49a14cf1dff140d4536b3356e5a0b3e61b6fed
Link:
https://www.unpac.me/results/cb7512a3-5b9a-4911-a6cd-42d36b592d83/
SH256 hash:
e4585c72ce8dfecf2165cb4324210dafbda4dd408d0ca71c465cb61cb3fbea37
MD5 hash:
930316a36335a0d9efe5342973c774ec
SHA1 hash:
66e1f6d732e7f89abbe272b71fa84eaf9df6cd33
Link:
https://www.unpac.me/results/cb7512a3-5b9a-4911-a6cd-42d36b592d83/
SH256 hash:
a40a8cdf926f4d29e800244ce52c6d45a8af81ca846387be0e8eb7dee5888fa1
MD5 hash:
35387889a70d061e228c503611de5037
SHA1 hash:
8a6e634f40009194f11c0fec5ac64e21255cc69f
Link:
https://www.unpac.me/results/cb7512a3-5b9a-4911-a6cd-42d36b592d83/
SH256 hash:
54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b
MD5 hash:
303b821149dc5966494814d480116e11
SHA1 hash:
774c1d793e2eaff250407ab44fd5f2b4e7b3ee13
Link:
https://www.unpac.me/results/cb7512a3-5b9a-4911-a6cd-42d36b592d83/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54f042241aa5/report/overview.html
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/54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe 54f042241aa56dbc42e0c903fb1edaeec9726b2e8e212a16032b4a6a94478f6b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/355770/

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