MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0
SHA3-384 hash: 69fc53efdbe7b0ea62b67e82af66b862e002eb4d4b4ef3e6105583b9bc5cee6b2b1c7d9c8e489c85437e713e9a2ca733
SHA1 hash: 27e84c83ec6b2bef4a766fd60e979ee9aa61af89
MD5 hash: ed3aef85e7873c01afd28292af9a38ac
humanhash: violet-solar-hamper-social
File name:68vW63kKm7J0ui9.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'414'656 bytes
First seen:2022-06-02 11:49:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:jNb1Q9gNIoNeCLs6ZIU+eJpUhUnXoNil+pfxq121:BX8CQ6qReJpUyXoNil+p
Threatray 17'640 similar samples on MalwareBazaar
TLSH T134651704A3E91905F6FB6F79A972A4404BB77DDA6839C34E18DC60CE1FA7B408951B33
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
68vW63kKm7J0ui9.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 12:05:18 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/530d7876-65a9-4fd3-8e95-93b7e6940edb

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/276315/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.8867.24810.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/6298a3c92dac0ae8c901aecc/reports/1b9ad7b2-676d-4b81-acbc-a57daeb92adf/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dce9a3b8-5509-4bc6-9808-1750f53263b2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005677
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638175 Sample: 68vW63kKm7J0ui9.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 6 68vW63kKm7J0ui9.exe 3 2->6         started        10 Tnpak.exe 3 2->10         started        12 Tnpak.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\68vW63kKm7J0ui9.exe.log, ASCII 6->23 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 68vW63kKm7J0ui9.exe 2 5 6->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 Tnpak.exe 2 10->19         started        21 Tnpak.exe 2 12->21         started        signatures5 process6 dnsIp7 31 mail.essentialapparatus.co.ke 192.185.121.61, 49758, 49772, 49774 UNIFIEDLAYER-AS-1US United States 14->31 25 C:\Users\user\AppData\Roaming\...\Tnpak.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 29 C:\Users\user\...\Tnpak.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Modifies the hosts file 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal ftp login credentials 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-02 08:45:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r54mz2e7nwdusnyxgg4tizyihulrwitbeiehgttetxdqkbwizhya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3bd91b0150bdbe6bc9dbcd3f21e9e7e308c2e6ffc58767f337074df3cfb3e747
AgentTesla
6ab30070b29a4095465e89dbc1a4b0788625565aa7608973b274aadd715b5db1
AgentTesla
6fa9bc77a6e47e1f63d3a966c449ece9471c8ba4bf9cd7d3f8ac186ca666c6d7
AgentTesla
8648b35734167c919b94b4e69ad92bbd9d46637b50f62be5ac597620d42f5c84
AgentTesla
90559c9463ebde5caad3424f2ff256ede1a44a4eeebeabea11883dc041388cf9
AgentTesla
9d64fd569d16bcaaa6d77f50bbb447055c968b65e20ff1cbfbc453cf8ee32b15
AgentTesla
+ 17'630 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220602-nzkzzafge9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
834c57a3af7d85f7402e5721e204c7be4e5b7ee3397c41634452c62da060770a
MD5 hash:
29972ff946051ecef9879d4dc19baeef
SHA1 hash:
f39a980390b0084bc9083e3688a8b1571fe3f973
Link:
https://www.unpac.me/results/987f7c25-10a9-49fe-87dc-3ff837504465/
SH256 hash:
721da63be05074aa11228a52ed0bc3f26f531829dfc0144d35c727a798b3a519
MD5 hash:
1b7ea70d7a62d89c40b2cfa31f58293d
SHA1 hash:
4b9ac936aef5460b6eb45f814aa540d41e67a9b5
Link:
https://www.unpac.me/results/987f7c25-10a9-49fe-87dc-3ff837504465/
SH256 hash:
bf77cf947278eab54057fe25a7a3ef9f0fc7ddefc23d54455ecef29b800183a6
MD5 hash:
b77fb4cf5399140605d1bbd5138ab226
SHA1 hash:
33767d0f2f2ed5518d74ed94d8990d266e8f3c8b
Link:
https://www.unpac.me/results/987f7c25-10a9-49fe-87dc-3ff837504465/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/987f7c25-10a9-49fe-87dc-3ff837504465/
SH256 hash:
8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0
MD5 hash:
ed3aef85e7873c01afd28292af9a38ac
SHA1 hash:
27e84c83ec6b2bef4a766fd60e979ee9aa61af89
Link:
https://www.unpac.me/results/987f7c25-10a9-49fe-87dc-3ff837504465/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f78cce89f6d/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/8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0

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.

Malspam

AgentTesla

Executable exe 8f78cce89f6d8749371731b93467083d171b22612208734e649dc70506c8c9f0

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276315/

Comments