MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b20c5f61dc3dbeb595d57459949629583768fc6e9088b50e4f1844298d162b20. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: b20c5f61dc3dbeb595d57459949629583768fc6e9088b50e4f1844298d162b20
SHA3-384 hash: c99761cb57ab9d8863c20cec1d07e105b49e08d6fa3814819f758efaed7796556e637ef37d7fefb6ff4ea54cf3982ef2
SHA1 hash: f4576b8a631679c62985e905065b5eb99d953bff
MD5 hash: 11649002c8bd0b62bf091379de7040be
humanhash: jig-california-jupiter-oxygen
File name:RERFQ_Lenz Global Imports Inc PDF.exe
Download: download sample
Signature AgentTesla
File size:735'232 bytes
First seen:2022-11-17 10:01:02 UTC
Last seen:2022-11-21 11:21:44 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 12288:gHNUgpH7ELJGfyctFWKrx3E9fxs7MMgQHZJbnm6YQgcpCYrN:gtUw6fcXmM7yQHZJ6r1ICQ
Threatray 22'027 similar samples on MalwareBazaar
TLSH T1A3F43A2D79BCF412EF3BA9B70EE6AA4BCC701241161E81170D2937DEE93587A3D4D14A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RERFQ_Lenz Global Imports Inc PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 10:02:30 UTC
Tags:
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
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
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 potential unpacker
.NET source code contains very large array initializations
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 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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748346 Sample: RERFQ_Lenz Global Imports I... Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 7 other signatures 2->55 6 RERFQ_Lenz Global Imports Inc PDF.exe 3 2->6         started        10 UpDaTe.exe 2 2->10         started        12 UpDaTe.exe 3 2->12         started        14 2 other processes 2->14 process3 file4 37 RERFQ_Lenz Global ...rts Inc PDF.exe.log, ASCII 6->37 dropped 67 Injects a PE file into a foreign processes 6->67 16 RERFQ_Lenz Global Imports Inc PDF.exe 2 6 6->16         started        21 RERFQ_Lenz Global Imports Inc PDF.exe 6->21         started        23 UpDaTe.exe 10->23         started        25 UpDaTe.exe 3 12->25         started        27 UpDaTe.exe 12->27         started        29 UpDaTe.exe 12->29         started        31 2 other processes 12->31 69 Multi AV Scanner detection for dropped file 14->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->71 73 Machine Learning detection for dropped file 14->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->75 signatures5 process6 dnsIp7 39 mail.nec-eg.com 16->39 41 nec-eg.com 23.235.222.9, 49700, 49701, 49702 IMH-WESTUS United States 16->41 33 C:\Users\user\AppData\Local\...\UpDaTe.exe, PE32 16->33 dropped 35 C:\Users\user\...\UpDaTe.exe:Zone.Identifier, ASCII 16->35 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Tries to steal Mail credentials (via file / registry access) 16->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->61 43 mail.nec-eg.com 23->43 45 192.168.2.1 unknown unknown 23->45 63 Tries to harvest and steal ftp login credentials 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 47 mail.nec-eg.com 25->47 file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-16 07:27:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 40 (67.50%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
99f44f9dc4820ebec7a712f3542cdd97510e0df08849721337bb1557fe9bb97e
MD5 hash:
0a89aa5ca752fbba38c54c3690d05006
SHA1 hash:
b02f532a7471cae08fc4a5d13ef733b111c04ccc
SH256 hash:
d265f70371d827f04839ed3312ce97cb65d38a6be140a87cdfed9aa5700443ce
MD5 hash:
76ac0631a9a644f87204ecbb8f9e52e2
SHA1 hash:
6a426ca128c1beae08914cc4b599ad214cde5da9
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
17ca721c18721e53ca3de484a021d87cca1b4a3757596a23906f523d9278eae4
MD5 hash:
633a5cfef39aa355edf69516eee3b4f0
SHA1 hash:
1e654ed046ccc3cb5fde3114d81204e6bd9567b4
SH256 hash:
b20c5f61dc3dbeb595d57459949629583768fc6e9088b50e4f1844298d162b20
MD5 hash:
11649002c8bd0b62bf091379de7040be
SHA1 hash:
f4576b8a631679c62985e905065b5eb99d953bff
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: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 b20c5f61dc3dbeb595d57459949629583768fc6e9088b50e4f1844298d162b20

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments