MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e91cf26515765666426d2e5080294002b848bcf377328b39f636a08de5b6018c. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: e91cf26515765666426d2e5080294002b848bcf377328b39f636a08de5b6018c
SHA3-384 hash: 13e45af7a18cbf54dc0e51d2ee6cbdb6222d9681114653d720332f6124a872f833ed8aa7632adbf235a9f688e078ca0d
SHA1 hash: 08270a8aa2ab0429713cb7631415cef6789d31df
MD5 hash: 8aee5f252e42120cfc8fe7e67d341500
humanhash: delaware-robert-fix-diet
File name:SecuriteInfo.com.Win32.MalwareX-gen.13918.1662
Download: download sample
Signature AgentTesla
File size:635'392 bytes
First seen:2023-11-16 05:20:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:5uPZeDwjd5jKf+9uFxeka3HfGdrL/3+ojIsGr3+lKCwZM5Ox8aCX4jcKa9:cZsiPKf8uF9kg/3xMd3S/w7maF
TLSH T1BCD422A533BEBB50D17F6BF068B3211107F1B8679A7AE3059ED620DE68A9F44070531B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
352
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.13918.1662
Verdict:
Malicious activity
Analysis date:
2023-11-16 05:22:58 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1343419 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 16/11/2023 Architecture: WINDOWS Score: 100 40 mail.mgsales.net 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 8 SecuriteInfo.com.Win32.MalwareX-gen.13918.1662.exe 7 2->8         started        12 ffemmUFSxGVYYL.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\ffemmUFSxGVYYL.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpFD29.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 58 Adds a directory exclusion to Windows Defender 8->58 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        60 Multi AV Scanner detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.mgsales.net 148.66.138.198, 49734, 49735, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 14->42 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->66 68 Tries to steal Mail credentials (via file / registry access) 14->68 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-16 05:21:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
728d1ec1209e9291fd713ed1029578a278cbe231c67f19cba533b10d8a4544a9
MD5 hash:
4c00b4aeb1a483aac96f5b1f0640945c
SHA1 hash:
93acf5faa2446bb873a18dc335d2d2e2a856c770
Detections:
Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
4591b988a5b0b33b724c802bf6c8451a5e31d2bd4dcde4d497e7127cd4fa55af
MD5 hash:
aa82ebafd2abecf24741bcf4147dc680
SHA1 hash:
3cbb3ea8752eb56549e535d9fbfb1104ffa630ac
SH256 hash:
e91cf26515765666426d2e5080294002b848bcf377328b39f636a08de5b6018c
MD5 hash:
8aee5f252e42120cfc8fe7e67d341500
SHA1 hash:
08270a8aa2ab0429713cb7631415cef6789d31df
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments