MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21
SHA3-384 hash: 3d90f023e1aca29fe501ac5a2ab628e682c08e1db425903d19fd18809cec31b4c98f8a771b090929f9f98f35a904f4c8
SHA1 hash: f1ca46c6c0c7b8280129fa1093642f8f7483b220
MD5 hash: 1b8c9087f0dfbcf33a4fc1e0ae36b908
humanhash: wisconsin-snake-seven-march
File name:PO#1277.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:679'424 bytes
First seen:2024-04-23 13:21:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xnVMl9QljktqTbExVwPQ8WAqo9YdOHhaBM1VluE3p88uqIfgODu6Fcwamj8g+k:TOIQWgnUhWFSYdOHoe1VoE55vOgOq6F/
TLSH T1A8E4122077A2EB02F93E9BB549715044A3B6765DF973E27A2EC420CE0572F90CE507A7
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
369
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6627b5fd3af0f87f1f00c44e/reports/421fe80e-2acd-434c-8e1b-fd16c6a0e2ae/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21
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/a4e3c4de-dc28-41ab-966e-f9029555291e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430366
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 12:01:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbtvkydk3kqqw63vxqcfxovbhxh3zvwhtjfyl5erjk55sl57rmqq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240423-ql79fsge7w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
6243c5b1be2d4107094f9778aba98b7edd9e6d8080a40dfc3bb285c7b68f401f
MD5 hash:
ded1d1db76727a5021ef7ced5de89ac3
SHA1 hash:
c198f06acbf7ff53ef497b16344913def20cb9f4
Link:
https://www.unpac.me/results/1b3799f6-c241-49ef-88d3-2a8b5219f462/
SH256 hash:
812574cc1faaf2f187af5185bb87c2bc6b5df0764701fadba6aa4a47909327c1
MD5 hash:
8cd4f239264cac9aa3a96cc2efcd4af0
SHA1 hash:
ad14b412e36a84d67b2c96991c52edd2b39b29e7
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/1b3799f6-c241-49ef-88d3-2a8b5219f462/
Parent samples :
b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21
1875ff6ba9beda4d257cdd4ef68d2e51ceb10acf2d15493d7362a29cc743c545
SH256 hash:
ec402128f2affe70cc92cc1f358cbb3d9968abf1d4161f5b86e2c8981447eb76
MD5 hash:
46dc027b7d8f04cd58c978659ac2b92a
SHA1 hash:
ac8ca886b7df90944bd05c4a48e3833dea573565
Link:
https://www.unpac.me/results/1b3799f6-c241-49ef-88d3-2a8b5219f462/
SH256 hash:
c3e31af31e789cff6ef7bc977211134f0c46634f3cc6b6e2778b673dc52218f8
MD5 hash:
0d83b6f1f0d061b450c1330eaa473b9e
SHA1 hash:
3716ed13ec942a0c583194fdb33416c6b963f045
Link:
https://www.unpac.me/results/1b3799f6-c241-49ef-88d3-2a8b5219f462/
SH256 hash:
b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21
MD5 hash:
1b8c9087f0dfbcf33a4fc1e0ae36b908
SHA1 hash:
f1ca46c6c0c7b8280129fa1093642f8f7483b220
Link:
https://www.unpac.me/results/1b3799f6-c241-49ef-88d3-2a8b5219f462/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b06755606ada/report/overview.html
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:NET
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe b06755606adaa10b7b75bc045bbaa13dcfbcd6c79a4b85f4914abbd92fbf8b21

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments