MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 954ae52d71114f4e45fb12c0045bc4440822b855c3c2b4c5b685823709729e3b. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 954ae52d71114f4e45fb12c0045bc4440822b855c3c2b4c5b685823709729e3b
SHA3-384 hash: 80930c64d6ee0b40faab52d6e946c47e67c58e79b2a3aff181625787e1bb296c4c3a979be6e7aaf390d255459ecfcd58
SHA1 hash: 7b995f7402c93bc27e178cef4df8b6e02bdb9d3b
MD5 hash: 649a3147128eeec8733fff2fe62483a8
humanhash: lamp-princess-quiet-hamper
File name:MlyCKkKAIVkgTYa.exe
Download: download sample
Signature AgentTesla
File size:668'672 bytes
First seen:2023-10-17 06:47:50 UTC
Last seen:2023-10-24 06:46:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:yzfqBuFf+k/rNhTC7myFVSQGzX9lXbvgSLaHLm3R/73xVTEaC:yT6+f47myFgQEXjvjKm3RT
Threatray 452 similar samples on MalwareBazaar
TLSH T1D0E4136A16A8CB1FE97257F95432C244D7F17826203DEA390D8154CF5BCAFB89106EE3
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
317
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MlyCKkKAIVkgTYa.exe
Verdict:
Malicious activity
Analysis date:
2023-10-17 08:04:11 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1327066 Sample: MlyCKkKAIVkgTYa.exe Startdate: 17/10/2023 Architecture: WINDOWS Score: 100 31 mail.wirtschaftsinkaso.com 2->31 33 api4.ipify.org 2->33 35 api.ipify.org 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 7 BsrzRc.exe 3 2->7         started        10 MlyCKkKAIVkgTYa.exe 3 2->10         started        12 BsrzRc.exe 2 2->12         started        signatures3 process4 signatures5 45 Antivirus detection for dropped file 7->45 47 Multi AV Scanner detection for dropped file 7->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Machine Learning detection for dropped file 7->51 14 BsrzRc.exe 14 2 7->14         started        53 Injects a PE file into a foreign processes 10->53 17 MlyCKkKAIVkgTYa.exe 16 5 10->17         started        21 BsrzRc.exe 12->21         started        process6 dnsIp7 27 api4.ipify.org 173.231.16.77, 443, 49710, 49716 WEBNXUS United States 17->27 29 mail.wirtschaftsinkaso.com 107.174.247.115, 49712, 49715, 49719 AS-COLOCROSSINGUS United States 17->29 23 C:\Users\user\AppData\Roaming\...\BsrzRc.exe, PE32 17->23 dropped 25 C:\Users\user\...\BsrzRc.exe:Zone.Identifier, ASCII 17->25 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->55 57 Tries to steal Mail credentials (via file / registry access) 17->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 file8 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-10-16 07:58:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
13ec2b533ef63c076fdedc06a2e2062384d71e5331164dc0bd7b026e044a3beb
MD5 hash:
ebbafa39b5dad6d34bd76dd794e2f505
SHA1 hash:
8ce20c4c30f2e9153fed2a2f00be6dfbf6f6b57a
SH256 hash:
845943a20d6037283f5afa323ec1ea809382fb66122cee65dd4b586423cb6dd5
MD5 hash:
966d093e9d18ed31c63346e23ac47461
SHA1 hash:
827e5385c0806ccca4529eda02a6b2e9bdf592e3
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
SH256 hash:
954ae52d71114f4e45fb12c0045bc4440822b855c3c2b4c5b685823709729e3b
MD5 hash:
649a3147128eeec8733fff2fe62483a8
SHA1 hash:
7b995f7402c93bc27e178cef4df8b6e02bdb9d3b
Malware family:
AgentTesla
Verdict:
Malicious
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:NETexecutableMicrosoft
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.

Malspam

AgentTesla

Executable exe 954ae52d71114f4e45fb12c0045bc4440822b855c3c2b4c5b685823709729e3b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments