MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89453a45f04305f1c508c6b8a5e8cdc7bbd5c1b5876993f1b173bc2ef397a8ef. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89453a45f04305f1c508c6b8a5e8cdc7bbd5c1b5876993f1b173bc2ef397a8ef
SHA3-384 hash: a23a0447762e8792bdc13e6d2a400c02e767dc4885688cec220bcbaeb01f2526239307ec92f30946ab7a7ab74db441d1
SHA1 hash: 7357cb3c31f55669721c2452f0da1bbcadbef8f7
MD5 hash: a8106786cd2c83135a6055fd8d88a61a
humanhash: white-white-music-kitten
File name:RFQ - PRODUCTS LIST & DOCUMENTS.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:450'048 bytes
First seen:2022-04-15 15:06:56 UTC
Last seen:2022-04-18 12:43:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 1536:J1dvFt9lA225nZi7IESYTAb9tq0YEJfMwb+qTQWJ/OLmVcl:J15RIEShiL8Y
Threatray 16'041 similar samples on MalwareBazaar
TLSH T167A4AC1D16A1A887C09D8EF1B85DEB7F14122DBDA722C6363534B19F39123F82D6643B
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 e0f0d2f0e2ccb492 (5 x Formbook, 4 x AveMariaRAT, 3 x AgentTesla)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ - PRODUCTS LIST & DOCUMENTS.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 15:07:19 UTC
Tags:
trojan rat agenttesla
Link:
https://app.any.run/tasks/31db98ef-6a77-400d-8a99-3b489a54747f

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/264002/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39503583.15485.12375.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62598a16ffe27d5119dba6a0/reports/85e81a31-74e1-4670-877a-e31a6de6e67a/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92c0720e-5331-424e-8762-b441ab4474d9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977449
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609936 Sample: RFQ - PRODUCTS LIST & DOCUM... Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 10 other signatures 2->52 7 RFQ - PRODUCTS LIST & DOCUMENTS.pdf.exe 16 7 2->7         started        12 Tuewweo.exe 14 3 2->12         started        14 Tuewweo.exe 2 2->14         started        process3 dnsIp4 34 trieutin.com 119.17.253.214, 443, 49779, 49877 NETNAM-AS-APNetnamCompanyVN Viet Nam 7->34 36 192.168.2.1 unknown unknown 7->36 26 C:\Users\user\AppData\Roaming\...\Tuewweo.exe, PE32 7->26 dropped 28 C:\Users\user\...\Tuewweo.exe:Zone.Identifier, ASCII 7->28 dropped 30 RFQ - PRODUCTS LIS...CUMENTS.pdf.exe.log, ASCII 7->30 dropped 54 Writes to foreign memory regions 7->54 56 Injects a PE file into a foreign processes 7->56 16 MSBuild.exe 6 7->16         started        20 cmd.exe 1 7->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 file5 signatures6 process7 dnsIp8 32 mail.nhatanhco.net 118.69.190.137, 49848, 49849, 587 FPT-AS-APTheCorporationforFinancingPromotingTechnolo Viet Nam 16->32 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->40 42 Tries to steal Mail credentials (via file / registry access) 16->42 44 4 other signatures 16->44 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89453a45f04305f1c508c6b8a5e8cdc7bbd5c1b5876993f1b173bc2ef397a8ef/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 11:52:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfcturpqimc7driiy24kl2gny655lqnvq5uzh4nroo6c544xvdxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081
AgentTesla
49a9d39a546af011f10b52efa9f9fa003524a7585fb08f3101da8d090e6b93e6
AgentTesla
4e6704724e2218ac123163b44edcc4f34555cddaf9d5fd4afef51617918bdb9a
AgentTesla
8dd1b5caf0cd6f4d0972591216d4898f1a9dd4dbae2a2b5c92cc568d561cd144
AgentTesla
ad42e638f96ae99772ba92d8cd8a8f2ba158e23c57e446049f5a784d60469306
AgentTesla
f5cf5e1d41419e2e2283e3548eb60ea029fa7d24344f3af4536ba8b2363dafda
AgentTesla
faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137
AgentTesla
+ 16'031 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/220415-shavwsfadq/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Adds Run key to start application
Checks computer location settings
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
89453a45f04305f1c508c6b8a5e8cdc7bbd5c1b5876993f1b173bc2ef397a8ef
MD5 hash:
a8106786cd2c83135a6055fd8d88a61a
SHA1 hash:
7357cb3c31f55669721c2452f0da1bbcadbef8f7
Link:
https://www.unpac.me/results/b870eb3d-4083-4b28-bdee-495b7d75afde/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89453a45f043/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/89453a45f04305f1c508c6b8a5e8cdc7bbd5c1b5876993f1b173bc2ef397a8ef

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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/264002/

Comments