MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
SHA3-384 hash: 7eecec8a33c7e2807df73e0b0abfb73dd73bcd61496c3aead0b7f37cc567e8fa67e901ab82f0ea0eb29fa70422df01f1
SHA1 hash: 0c4696bddf50e472f714507e0f7c3eb7ac929d5a
MD5 hash: 11df7cb2571c6c9d54061b03eaf5db08
humanhash: salami-glucose-orange-solar
File name:4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:243'200 bytes
First seen:2024-02-05 08:32:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:c4I3/hpZm8OHzfqQHPdCjS28T0FyBT75/nY6XzTu:ch3/hpZmNDqgFCWV0FyJdY6j
Threatray 5'388 similar samples on MalwareBazaar
TLSH T1B83410077E88EB11E5A87E3782EF2C2413B2B0C71633C60F6F49AE651451652AD7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/474605/
Detection(s):
Win.Packed.Msilperseus-9956591-0
Create hunting rule

Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-vm evasive fingerprint hacktool hook keylogger lolbin remote stealer
Link:
https://www.filescan.io/uploads/65c09d4c7251d2ad7dc8439d/reports/8c5a3f57-9611-425e-a735-d17d50624564/overview
Verdict:
Malicious
Labled as:
Dacic.64A56CA5.A.Generic
Link:
https://www.hybrid-analysis.com/sample/4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
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/36f90bea-53a0-4d3b-82e5-ed49e6399abb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386621
Signature
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-05 08:33:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsmzf4uuxsekvkztq32rngrwaxg65rkggzrzfqvozkjapc45sw6a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
2953ea362bbd1f3f0942fa1c3db53d2943e940cd665b1b64387bb70dc7ef75b3
AgentTesla
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
AgentTesla
59bfb982d029cacbcb298fb5f5cd32d30a4420c92cca120304e144aad3608068
AgentTesla
aa69a4dd3203b34b4a1dfdf334ba8b655768f6e6c46165a095497b45222580b5
AgentTesla
f2b532450ed44fa884c0ea547b17a6a11524c2abc5a0b8278143d0b26604bbf9
AgentTesla
+ 5'378 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240205-kfwetabfe3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
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:
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
MD5 hash:
11df7cb2571c6c9d54061b03eaf5db08
SHA1 hash:
0c4696bddf50e472f714507e0f7c3eb7ac929d5a
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/75c8ddf2-4364-4145-832d-2f6f0ee9f47e/
Parent samples :
59bfb982d029cacbcb298fb5f5cd32d30a4420c92cca120304e144aad3608068
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
7ef843eff8a539d4296d4ef84613b9d1efae655d3d5bbe7d23972ac414e0a25b
2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c9992f294bc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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 4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/474605/

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