MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39fdc2f771ca4310602321e5d1484b3f8a6ccd4ad93874e1394feda5c72d18b1. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: 39fdc2f771ca4310602321e5d1484b3f8a6ccd4ad93874e1394feda5c72d18b1
SHA3-384 hash: 8883d102c60bab94064b06e5d22ab243557d29b5028836c11461e0eac4306d5fd031358b1d79b15beb719bc49681dd7f
SHA1 hash: e517130c3f654ae558001b61138fc598a6de0fde
MD5 hash: 2890064b48d36a0cd875da8608f3b23b
humanhash: bluebird-jig-beryllium-louisiana
File name:SecuriteInfo.com.Variant.Ransom.PadCrypt.18.19159.3655
Download: download sample
Signature AgentTesla
File size:1'035'776 bytes
First seen:2023-08-18 11:40:36 UTC
Last seen:2023-08-18 12:31:43 UTC
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:FLz6yvg7mrFiR5aU41WD3qNcIp6gbQe6zbbVUEkNImqsbfJ:x+HuFiRsU4gD3qNFp6qEVG
Threatray 725 similar samples on MalwareBazaar
TLSH T12B25F1077A5B89FACEC42B36F2C6101457B1DA827693D71ABD8E13EA1B437B6DC0510B
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Variant.Ransom.PadCrypt.18.19159.3655
Verdict:
Malicious activity
Analysis date:
2023-08-18 11:41:27 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 window
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
May check the online IP address of the machine
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
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293356 Sample: SecuriteInfo.com.Variant.Ra... Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 11 other signatures 2->55 6 SecuriteInfo.com.Variant.Ransom.PadCrypt.18.19159.3655.exe 1 6 2->6         started        10 Cbilxkip.exe 6 2->10         started        12 Cbilxkip.exe 4 2->12         started        14 2 other processes 2->14 process3 file4 35 \Device\Mup\...\amsi32_6864.amsi.csv (copy), PE32 6->35 dropped 37 C:\Users\user\AppData\Roaming\Cbilxkip.exe, PE32 6->37 dropped 71 Creates multiple autostart registry keys 6->71 73 Writes to foreign memory regions 6->73 75 Injects a PE file into a foreign processes 6->75 16 MSBuild.exe 17 4 6->16         started        77 Antivirus detection for dropped file 10->77 79 Multi AV Scanner detection for dropped file 10->79 81 Machine Learning detection for dropped file 10->81 21 MSBuild.exe 10->21         started        23 MSBuild.exe 12->23         started        25 MSBuild.exe 12->25         started        27 MSBuild.exe 12->27         started        29 conhost.exe 14->29         started        31 conhost.exe 14->31         started        signatures5 process6 dnsIp7 39 mail.parivartansandeshfoundation.com 184.168.111.8, 49720, 49721, 49757 AS-26496-GO-DADDY-COM-LLCUS United States 16->39 41 api4.ipify.org 173.231.16.76, 443, 49717, 49731 WEBNXUS United States 16->41 47 2 other IPs or domains 16->47 33 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 16->33 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->59 61 May check the online IP address of the machine 16->61 63 Creates multiple autostart registry keys 16->63 43 api.ipify.org 21->43 45 api.ipify.org 23->45 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->69 file8 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-18 08:49:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 37 (70.27%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
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
Unpacked files
SH256 hash:
bea31473a04a17ab44b6c98e6a1ea7d38a689464b1b0a85ba5cbc05c1918a85e
MD5 hash:
b615b6194d72e3ade4b27686afb22bae
SHA1 hash:
eecd9e6cff4bccec4c968e63fa234076a003dbe3
SH256 hash:
c39d8958ca39728b265be5d2c3610db21a9d43c79961ffef5b8110da005a39cb
MD5 hash:
28a554ced6410b68a3ea2d6d5fb90308
SHA1 hash:
3253d880df2b2c6eb8a1d07599083bd8da9abc51
SH256 hash:
80967446951aea66d0665584e21c000572c133bad3874089e313460c9034b89e
MD5 hash:
0290fe195037908c817ba6b3a1168a93
SHA1 hash:
11518ffc46c54a1409729dc394260a338681e983
SH256 hash:
39fdc2f771ca4310602321e5d1484b3f8a6ccd4ad93874e1394feda5c72d18b1
MD5 hash:
2890064b48d36a0cd875da8608f3b23b
SHA1 hash:
e517130c3f654ae558001b61138fc598a6de0fde
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: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.

Comments