MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99d7076ecdb6a3ac9bc89ebae32af757b66c27c4608d31f1c9cf1d4c0492ba04. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 99d7076ecdb6a3ac9bc89ebae32af757b66c27c4608d31f1c9cf1d4c0492ba04
SHA3-384 hash: 1eecf52ec64e529791c54b44dda17e90d180bc11b5660461baf651257ec62268ce9498ea37c8bd4c49645b32eba4cedf
SHA1 hash: 50267e95f4bd54ad1b21724df3789006e7c9cb37
MD5 hash: 874e4f007ba76058ae31fd5e289217f1
humanhash: georgia-california-berlin-magazine
File name:SecuriteInfo.com.Trojan.NSIS.Agent.21226.9113
Download: download sample
Signature AgentTesla
File size:177'104 bytes
First seen:2022-11-07 16:25:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (300 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 3072:v8bQCLmGlFIdcz/bI3sgjvhVUNaGPIRVv6dZUlGcdl96vkemaPmcYHInmqgahaQH:vyIAbyJVEPpuGcd4fZYHIqocKE
Threatray 15'802 similar samples on MalwareBazaar
TLSH T10F0412129BD7297BD68BAA7349EBD33BCBBADB50080150079B455F961D123C1AF3B087
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-17T20:53:44Z
Valid to:2025-08-16T20:53:44Z
Serial number: -6395d3cf2e130f99
Thumbprint Algorithm:SHA256
Thumbprint: 4c97ecf851d221f8b7e92bc82bbe7fb019964bbbcb47d5c1842b0c23e44e2554
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
SecuriteInfo.com.Trojan.NSIS.Agent.21226.9113
Verdict:
Malicious activity
Analysis date:
2022-11-07 16:27:37 UTC
Tags:
guloader

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

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Result
Verdict:
UNKNOWN
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, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
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 ftp login credentials
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 GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 740353 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 22 lombardeamok.tk 2->22 24 ftp.mcmprint.net 2->24 30 Snort IDS alert for network traffic 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected GuLoader 2->34 36 3 other signatures 2->36 8 SecuriteInfo.com.Trojan.NSIS.Agent.21226.9113.exe 3 24 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 38 Writes to foreign memory regions 8->38 40 Tries to detect Any.run 8->40 12 CasPol.exe 15 11 8->12         started        16 CasPol.exe 8->16         started        signatures6 process7 dnsIp8 26 ftp.mcmprint.net 185.31.121.136, 21, 49831 RAX-ASBG Bulgaria 12->26 28 lombardeamok.tk 27.100.36.115, 49830, 80 HOSTUS-GLOBAL-ASHostUSHK United States 12->28 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->42 44 Tries to steal Mail credentials (via file / registry access) 12->44 46 Tries to harvest and steal ftp login credentials 12->46 52 2 other signatures 12->52 18 conhost.exe 12->18         started        48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->50 signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-07 11:14:28 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
SH256 hash:
99d7076ecdb6a3ac9bc89ebae32af757b66c27c4608d31f1c9cf1d4c0492ba04
MD5 hash:
874e4f007ba76058ae31fd5e289217f1
SHA1 hash:
50267e95f4bd54ad1b21724df3789006e7c9cb37
Malware family:
AgentTesla.v3
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


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

Comments