MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a
SHA3-384 hash: 61697f7b95ad7216dfee454d6075a8924feafabdf7065ca1306ed52bea7127b77437aef1cfd2bce25ba68b2a947d26ed
SHA1 hash: b1a99318db4113d5c954b2318fd057bac88b0b76
MD5 hash: aed13f7e6f155ae35794771ce853b479
humanhash: romeo-fifteen-california-aspen
File name:4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a
Download: download sample
Signature AgentTesla
Create hunting rule
File size:862'208 bytes
First seen:2022-12-08 12:34:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Cr18+L74mBfNUstzox3r8JNFIThMAYiuygbDGm8LU:CrCIix3Towo
TLSH T1DA054B4F2A7FDDE0EB246CFB12545703AE315DE9AA8BCA7843987BC650F260C5B70464
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 adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/344349/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48217.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nanocorerat packed
Link:
https://www.filescan.io/uploads/6391d9f89a505ad9423e1539/reports/4613257c-171a-4a54-8cb2-d4b0b6404c9a/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd8f603d-f07c-4f8d-b7fd-3eaac0db2ea6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130724
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a/
Threat name:
ByteCode-MSIL.Backdoor.NanoCoreRAT
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 14:54:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnrve23xx34z3wvq5ux662v62dv6cbcnxr3j6celiph4dlqwdbva._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221208-psb9xsaa29/
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
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5476328609:AAGdqIkYvW9rAMdHDWP-Prv8P3MRMPpndw0/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a420d8f7-2251-43d0-a59d-fd3d51528720
Unpacked files
SH256 hash:
6fe15780bb775f8f0e0c8cd4fe6cd940432e617c92ac459cbc672b03d473f99c
MD5 hash:
34ad5ddb53aef149b18193eccca31972
SHA1 hash:
f359e876ef9ee31ac11f545a535ab50ff633b0eb
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
Parent samples :
21b03041f46e3e62f2500998745e5c1fb98996dd622ca046653fa0501278ced3
4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a
SH256 hash:
a0726edbe5601a11d6f52474b59efff06d845ff9bed368d8959599327e590d8e
MD5 hash:
634621f51a238595ff3acd354f50833a
SHA1 hash:
65a7ad5041ab8dc158ca1b4a9d2b791648db6692
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
SH256 hash:
c75b2cac0cc4887986276f70452ee7a52ed8acd8a85d716289f9491bc6779052
MD5 hash:
1f81b3049dbf0d5c942be583e88ca32f
SHA1 hash:
4a37f3cba16159ef7b5318f4589e6f7136633fce
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
SH256 hash:
4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a
MD5 hash:
aed13f7e6f155ae35794771ce853b479
SHA1 hash:
b1a99318db4113d5c954b2318fd057bac88b0b76
Link:
https://www.unpac.me/results/32f687dc-5e52-43f9-b373-e089c9c35bf5/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b63526b77be/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4b63526b77bef99ddab0ed2fef6abed0ebe1044dbc769f088b43cfc1ae16186a

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/344349/

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