MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf
SHA3-384 hash: 808cfa289aebd1593da112b9a16a9d84c05c9fee7572e41fe567c015e18a8622df8350c7969731d5d3b74e954de39e37
SHA1 hash: 0fe7b2b6bab6b4ac95a0826b0d0d4c2b1371f52c
MD5 hash: 8a1d2c9baae38765bb9e9ddaff19da30
humanhash: one-autumn-wyoming-connecticut
File name:01.11.2023 - 05.11.2023 Hesap Ekstresi.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:768'000 bytes
First seen:2023-11-08 08:14:36 UTC
Last seen:2023-11-08 10:42:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:RRFk2ILWu/EHVd2/1O8gUIycQqQxGPURLp/KXh6wmd1sMvQ/rEatsQ6q3:kCqEHP2/1O8NIyegb/KXNA1sDHso
TLSH T1E8F4011532ACAFA6E935B7F60961204007F1997E24BEE6CD9DC2F0CB95A1F045E80F97
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00a2a24104009100 (2 x AgentTesla, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
3
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
01.11.2023 - 05.11.2023 Hesap Ekstresi.exe
Verdict:
Malicious activity
Analysis date:
2023-11-08 09:10:11 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/dcb6057c-d8bc-41b6-991d-7522e05c2d1b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.18701.30888.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/654b439d641154c7e3ee6bed/reports/2bd621e0-2a28-4eb4-9cf8-266bede54f65/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf
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/85552aed-86f8-4f50-9bd5-d0e68a73b949
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338887
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1338887 Sample: 01.11.2023_-_05.11.2023_Hes... Startdate: 08/11/2023 Architecture: WINDOWS Score: 100 42 mail.zqamcx.com 2->42 44 zqamcx.com 2->44 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 10 other signatures 2->54 8 01.11.2023_-_05.11.2023_Hesap_Ekstresi.exe 7 2->8         started        12 NsxNfPwIKt.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...38sxNfPwIKt.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpD6A1.tmp, XML 8->40 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Contains functionality to register a low level keyboard hook 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 68 2 other signatures 8->68 14 01.11.2023_-_05.11.2023_Hesap_Ekstresi.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        28 2 other processes 8->28 62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 NsxNfPwIKt.exe 12->22         started        24 schtasks.exe 12->24         started        26 NsxNfPwIKt.exe 12->26         started        signatures6 process7 dnsIp8 46 zqamcx.com 78.110.166.82, 49711, 49714, 49716 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 14->46 70 Installs a global keyboard hook 14->70 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 17:32:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yts256byrjtaov5eqkneyhglp3qzece723dm7qmsgharlei6bppq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231108-j5lfgahg37/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/138b4dee-36e7-4af6-a760-1b18589dec87/
SH256 hash:
c7f3399a0ea1dc797bd79c5dc2f25163019050e814a49bc50cb76f8008c672a8
MD5 hash:
0d9e1b2d07d3301534e943451060a5ca
SHA1 hash:
96b5f5614d4f2861045d23bf4f10208bd3c13663
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/138b4dee-36e7-4af6-a760-1b18589dec87/
Parent samples :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 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/138b4dee-36e7-4af6-a760-1b18589dec87/
SH256 hash:
b643a65ec4041f7144673926ad660fe5f1572fa1754b27593d47118f00099d77
MD5 hash:
01df45e096fb67a58f1ac059cf651e56
SHA1 hash:
37f3c4b5369d1b5e3554ea00b2127c28e63fc4b2
Link:
https://www.unpac.me/results/138b4dee-36e7-4af6-a760-1b18589dec87/
SH256 hash:
c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf
MD5 hash:
8a1d2c9baae38765bb9e9ddaff19da30
SHA1 hash:
0fe7b2b6bab6b4ac95a0826b0d0d4c2b1371f52c
Link:
https://www.unpac.me/results/138b4dee-36e7-4af6-a760-1b18589dec87/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

File information

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

Malspam

AgentTesla

Executable exe c4e5aef8388a660757a4829a4c1ccb7ee192089fd6c6cfc19231c115911e0bdf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments