MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3
SHA3-384 hash: 21b83d7f3cabd555f83e26636e12e84a48f3a4eabb50596ff59f5ab588588bda44360726e697068666ad92de34a821eb
SHA1 hash: f041f06fa63bc7483208f1d786ecd1198533cbc4
MD5 hash: b83e7d61c647cc741886332b7fc67bbf
humanhash: sad-idaho-seventeen-india
File name:hesaphareketi-01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:238'080 bytes
First seen:2022-06-16 12:42:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:MhbXV+N2XPGvwqLJdh59Yrb7VIRyecjSyKYeQve135:MhbqgYDc9dK
TLSH T1AC342083E58869D9EC3E37F260273E7217666E7FBD745479316DF0120A73283026AD1A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 332b371736363303 (3 x AgentTesla, 2 x AsyncRAT, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo Telegram TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280697/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62ab25965c08d80e8ed6e897/reports/ce3651c5-6362-4f26-8bad-fd485201f966/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/26af3c29-5f3f-4ae5-954b-569e24f7163c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014583
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 647081 Sample: hesaphareketi-01.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 80 Malicious sample detected (through community Yara rule) 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Yara detected AgentTesla 2->84 86 7 other signatures 2->86 7 hesaphareketi-01.exe 16 7 2->7         started        12 Rssavipim.exe 2->12         started        14 Rssavipim.exe 14 4 2->14         started        process3 dnsIp4 62 cdn.discordapp.com 162.159.134.233, 443, 49757, 49838 CLOUDFLARENETUS United States 7->62 54 C:\Users\user\AppData\...\Rssavipim.exe, PE32 7->54 dropped 56 C:\Users\...\Rssavipim.exe:Zone.Identifier, ASCII 7->56 dropped 58 C:\Users\user\...\hesaphareketi-01.exe.log, ASCII 7->58 dropped 88 Writes to foreign memory regions 7->88 90 Injects a PE file into a foreign processes 7->90 16 InstallUtil.exe 14 6 7->16         started        20 InstallUtil.exe 7->20         started        22 cmd.exe 1 7->22         started        24 powershell.exe 15 7->24         started        64 162.159.130.233, 443, 49844 CLOUDFLARENETUS United States 12->64 26 InstallUtil.exe 12->26         started        28 cmd.exe 12->28         started        30 powershell.exe 12->30         started        66 192.168.2.1 unknown unknown 14->66 92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 32 cmd.exe 14->32         started        34 2 other processes 14->34 file5 signatures6 process7 dnsIp8 60 api.telegram.org 149.154.167.220, 443, 49763, 49766 TELEGRAMRU United Kingdom 16->60 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->70 36 conhost.exe 22->36         started        38 timeout.exe 1 22->38         started        40 conhost.exe 24->40         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->72 74 Tries to steal Mail credentials (via file / registry access) 26->74 76 Tries to harvest and steal ftp login credentials 26->76 78 Tries to harvest and steal browser information (history, passwords, etc) 26->78 42 conhost.exe 28->42         started        44 timeout.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 32->48         started        50 timeout.exe 32->50         started        52 conhost.exe 34->52         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 12:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6qyh3gfq45ep5evoqcwehf7wc2pikedtvxzitubssxt3g4oglbq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220616-pxw5wsfaan/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5325978928:AAHoEA8kN-e_klm03BeIYzK4e9Fov_x58QI/sendDocument
Unpacked files
SH256 hash:
4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3
MD5 hash:
b83e7d61c647cc741886332b7fc67bbf
SHA1 hash:
f041f06fa63bc7483208f1d786ecd1198533cbc4
Link:
https://www.unpac.me/results/6f047aa2-6faf-4175-8bcd-6aa39a79e48d/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fa183ecc587/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/4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

Executable exe 4fa183ecc5873a47f4957405621cbfb0b4f428839d6f944e8194af3d9b8e32c3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280697/

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