MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4
SHA3-384 hash: 4b7f82b69456bec9268d0928fd37506727ef34220fc93c2dac413f516a12c1434823bfa5d67a3886a7e0fa1b6459cbff
SHA1 hash: e96a46fd1f337cfe5722989d039cb170de527ce5
MD5 hash: 7863097e799fed3797be49b60f40f8d1
humanhash: rugby-yellow-hamper-cardinal
File name:Document 787.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:320'321 bytes
First seen:2023-02-14 14:59:44 UTC
Last seen:2023-02-14 16:34:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6I2WGmBfIH+nG+YAe9O5Wj7LrEh3ir6SGharEOrq1NNQcqvoZb1:/Ye2WGmBfIiX0O5A7xr6SaqEJNQcqvo1
Threatray 26'348 similar samples on MalwareBazaar
TLSH T11A6423117FA098ABE8B31A361B311B1A86BECA23209665BF33745F34BD672C3C447755
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document 787.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-14 15:05:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1a5aee29-3fce-4434-9c91-775fcb54eb66

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/365790/
Detection(s):
Sanesecurity.Rogue.0hr.20230214-0932.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
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Setting a keyboard event handler
Sending an HTTP GET request
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/69655/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mimikatz nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63eba1f4f94334e008542726/reports/eb947506-bb49-4c94-9604-6e43038a3569/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4
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/96dd9f5f-883c-4b68-9c20-8e825d7dc903
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1174565
Signature
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 807366 Sample: Document 787.pdf.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 Uses an obfuscated file name to hide its real file extension (double extension) 2->36 38 3 other signatures 2->38 8 Document 787.pdf.exe 19 2->8         started        process3 file4 24 C:\Users\user\AppData\Local\...\dkjvtild.exe, PE32 8->24 dropped 11 dkjvtild.exe 8->11         started        process5 signatures6 40 Multi AV Scanner detection for dropped file 11->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->42 44 May check the online IP address of the machine 11->44 46 4 other signatures 11->46 14 dkjvtild.exe 15 2 11->14         started        18 MpCmdRun.exe 1 11->18         started        20 dkjvtild.exe 11->20         started        process7 dnsIp8 26 api4.ipify.org 173.231.16.76, 443, 49714 WEBNXUS United States 14->26 28 mail.azmlogistics.com 192.185.92.210, 49715, 587 UNIFIEDLAYER-AS-1US United States 14->28 30 api.ipify.org 14->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->48 50 Tries to steal Mail credentials (via file / registry access) 14->50 52 Tries to harvest and steal browser information (history, passwords, etc) 14->52 54 Installs a global keyboard hook 14->54 22 conhost.exe 18->22         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-14 11:47:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iphylgsu4liutdh2bj7rlejblnki623ytwxb3ptfhvctmrudhl2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
016c2a381a64dad23b51c68e6b64116b1a0408c76b997dc41108bac3f00209ee
AgentTesla
08477ca70902dc2098c13b61d3661c0defe17a1e42195cdc6b1bdb7af2d98e2d
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45ed129be4c3b3138d02e8907f7e28702036ca8de932f39ed1bf14bb917d1b63
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640367fad550829f947c4910d32d1d141965d95ecbb8d03c60642b22e18d2494
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6dcb88d4431e0ea3673e741ac379ea47c01665f39c751f02344bc09767d9e1bb
AgentTesla
79bd77fe303838b7cc5c66f263a0fe501ba95202eda10bc4fd6182a357f36c69
AgentTesla
8bb887edcf47e357508480892ce596926afd345fb04de8543ae20e9348e87983
AgentTesla
a748dedfcbbf581bcdd57370ed9ac6166a9d9103e6c85530073efbd8d6b4654d
AgentTesla
ed6e7265359a25076de21b70ee56b214feeba9bfd683078d901aa10ad372f886
AgentTesla
fe16b7a1ab88c18c3a5657e2ecbe81a3984d3deaf3f0999eb89ef247ef8dcd25
AgentTesla
+ 26'338 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230214-sdbavsdf5z/
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
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:
bc3bca932a25560bad07745f5a506d10a3c44e5cea59c9cf93f92a75ad506a7a
MD5 hash:
ba5ca5f354552dca47ca8ec309945a89
SHA1 hash:
ef65843297c312e79a2298d433d57a380d977fc7
Link:
https://www.unpac.me/results/37c75e28-f0f2-4c76-ba1c-d99bc700d49b/
SH256 hash:
80f72b705af48bd4676b06daefd3bac37b7d12d208250fd30d776d6a0e030bf7
MD5 hash:
d28ae19cba5cddaddb8f84af180d7e49
SHA1 hash:
08a0e786faf7ee77f4e4665e93b8294e6e49419a
Link:
https://www.unpac.me/results/37c75e28-f0f2-4c76-ba1c-d99bc700d49b/
SH256 hash:
43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4
MD5 hash:
7863097e799fed3797be49b60f40f8d1
SHA1 hash:
e96a46fd1f337cfe5722989d039cb170de527ce5
Link:
https://www.unpac.me/results/37c75e28-f0f2-4c76-ba1c-d99bc700d49b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43cf859a54e2/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/43cf859a54e2d1498cfa0a7f1591215b548f6b789dae1dbe653d453646833af4

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: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

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/365790/

Comments