MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 760ce8c50b699024ce487ce6ecbfed434637b263088d56fdae65eeeeb3e3cba4. 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 18 File information Comments

SHA256 hash: 760ce8c50b699024ce487ce6ecbfed434637b263088d56fdae65eeeeb3e3cba4
SHA3-384 hash: e95248a78c95e7d38ab0d07a6f36bbbf11b35846fced273b7b9fce63317e0e7134687dc807b0fc785980d06ef7283e65
SHA1 hash: 4f72cefac1c749247d42aed5eeaac8d6769b1548
MD5 hash: 1ed0157519eed05a82f4fa9e4b216e9b
humanhash: maine-triple-missouri-white
File name:Mlfqslack.exe
Download: download sample
Signature AgentTesla
File size:979'968 bytes
First seen:2024-02-13 14:11:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:0S3UTLpOf6/hltGfqUYgobAtglEsZdkKNliyMGrSv:dUnZhnGfBY7WsZdkKKyBs
Threatray 1'690 similar samples on MalwareBazaar
TLSH T17525BE073615A9A1C7EA5779C5BB82001B30DEA69693DB4B73C9A3EA18133FB5F40707
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter malwarelabnet
Tags:AgentTesla exe zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
309
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
760ce8c50b699024ce487ce6ecbfed434637b263088d56fdae65eeeeb3e3cba4.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 14:29:57 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
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor packed 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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
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)
Sample uses string decryption to hide its real strings
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 Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391467 Sample: Mlfqslack.exe Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 40 mail.emulines.biz 2->40 42 emulines.biz 2->42 44 api.ipify.org 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 8 other signatures 2->52 7 Mlfqslack.exe 1 3 2->7         started        11 Dkjwx.exe 3 2->11         started        13 sBRfm.exe 3 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\Dkjwx.exe, PE32 7->34 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Creates multiple autostart registry keys 7->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 17 Mlfqslack.exe 16 5 7->17         started        70 Antivirus detection for dropped file 11->70 72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 22 Dkjwx.exe 14 4 11->22         started        76 Injects a PE file into a foreign processes 13->76 24 sBRfm.exe 14 2 13->24         started        26 Dkjwx.exe 15->26         started        28 sBRfm.exe 15->28         started        signatures6 process7 dnsIp8 36 emulines.biz 209.133.204.178, 49705, 49707, 49717 HVC-ASUS United States 17->36 38 api.ipify.org 104.26.13.205, 443, 49704, 49706 CLOUDFLARENETUS United States 17->38 30 C:\Users\user\AppData\Roaming\...\sBRfm.exe, PE32 17->30 dropped 32 C:\Users\user\...\sBRfm.exe:Zone.Identifier, ASCII 17->32 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->54 56 Tries to steal Mail credentials (via file / registry access) 17->56 58 Creates multiple autostart registry keys 17->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 28->62 file9 signatures10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-13 01:40:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Behaviour
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
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
5f88cf3e750fc6499624045787be107076812633ca49bc92ed90b42e33856001
MD5 hash:
7010bc8f41253e2da4177fac1d8085cb
SHA1 hash:
f8860f823fef2332f89a2319349681a2f666e99f
SH256 hash:
7e8664b1a608d986c37135139c6bbe726554422fe68928886bdc02bdbdeafc4c
MD5 hash:
f8bbb63609a1a38949591fcc95af0fb5
SHA1 hash:
9245cd8988e5b28908e698d9e651edf97b6dc240
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
3d3317a894b61c1d11e19f01c1d2dc37e96756edd4046debd907dbdba2a3bf0f
MD5 hash:
e3429435b175bda2b89450af962d7703
SHA1 hash:
37bd12f3dbc80c9b2e4c8a47d4791f93a0f265ef
SH256 hash:
760ce8c50b699024ce487ce6ecbfed434637b263088d56fdae65eeeeb3e3cba4
MD5 hash:
1ed0157519eed05a82f4fa9e4b216e9b
SHA1 hash:
4f72cefac1c749247d42aed5eeaac8d6769b1548
Detections:
Typical_Malware_String_Transforms
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Comments