MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99
SHA3-384 hash: ae6e458e5ff8bb267b389a50c978ee6721471dda0e527b9003e548a7215dc0252c0e46244d5a7aff0a0b3e7b9667b10f
SHA1 hash: 1eeb82fd406972c262204a9ec454da719319c150
MD5 hash: 449c6834fbe66f37711d1de4666b3e48
humanhash: green-winner-batman-east
File name:SecuriteInfo.com.Win32.CrypterX-gen.25378.7586
Download: download sample
Signature AgentTesla
Create hunting rule
File size:273'520 bytes
First seen:2025-03-12 09:44:46 UTC
Last seen:2025-03-12 12:56:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:B/JF70ZdgRcJlOS6jDZgRzs991gIKTqc:BRh0TgawViR4FAT
TLSH T1FD4462F056E88B8AE1941538C95382052FD09B399601464FD37DBDEBB8E738AD8F3857
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon d4e8b296ccfcf4c4 (12 x AgentTesla, 7 x DarkCloud, 1 x MassLogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
505
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.25378.7586
Verdict:
Malicious activity
Analysis date:
2025-03-12 09:46:08 UTC
Tags:
opendir purecrypter netreactor
Link:
https://app.any.run/tasks/122b3906-3df7-493a-8911-73b36389e10a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d15cae4fd7d3fd0e087e1f
Tags:
obfuscate autorun xtreme sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Creating a window
Connection attempt to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated overlay signed
Link:
https://www.filescan.io/uploads/67d157ad3c5f644bd94eed64/reports/27ceac7b-d73e-401c-813d-94541c438d05/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cb4e7fdd-fa81-45dc-bfc6-7d2bd3608994
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1636051
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
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 ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1636051 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 12/03/2025 Architecture: WINDOWS Score: 100 63 mail.iaa-airferight.com 2->63 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 11 other signatures 2->77 9 SecuriteInfo.com.Win32.CrypterX-gen.25378.7586.exe 15 6 2->9         started        14 wscript.exe 1 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 67 196.251.83.222, 49682, 65476, 80 SONIC-WirelessZA Seychelles 9->67 57 C:\Users\user\AppData\Roaming\page.exe, PE32 9->57 dropped 59 C:\Users\user\...\page.exe:Zone.Identifier, ASCII 9->59 dropped 61 C:\Users\user\AppData\Roaming\...\page.vbs, ASCII 9->61 dropped 103 Drops VBS files to the startup folder 9->103 105 Encrypted powershell cmdline option found 9->105 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->107 18 InstallUtil.exe 2 9->18         started        22 powershell.exe 23 9->22         started        24 cmd.exe 1 9->24         started        26 cmd.exe 1 9->26         started        109 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->109 28 page.exe 14->28         started        69 127.0.0.1 unknown unknown 16->69 file6 signatures7 process8 dnsIp9 65 mail.iaa-airferight.com 46.175.148.58, 25 ASLAGIDKOM-NETUA Ukraine 18->65 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->81 83 Tries to steal Mail credentials (via file / registry access) 18->83 85 Loading BitLocker PowerShell Module 22->85 30 WmiPrvSE.exe 22->30         started        32 conhost.exe 22->32         started        87 Uses ipconfig to lookup or modify the Windows network settings 24->87 34 conhost.exe 24->34         started        36 ipconfig.exe 1 24->36         started        38 conhost.exe 26->38         started        40 ipconfig.exe 1 26->40         started        89 Multi AV Scanner detection for dropped file 28->89 91 Writes to foreign memory regions 28->91 93 Injects a PE file into a foreign processes 28->93 42 InstallUtil.exe 28->42         started        45 cmd.exe 28->45         started        47 cmd.exe 28->47         started        signatures10 process11 signatures12 95 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->95 97 Tries to steal Mail credentials (via file / registry access) 42->97 99 Tries to harvest and steal ftp login credentials 42->99 101 Tries to harvest and steal browser information (history, passwords, etc) 42->101 49 conhost.exe 45->49         started        51 ipconfig.exe 45->51         started        53 conhost.exe 47->53         started        55 ipconfig.exe 47->55         started        process13
Score:
75%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2025-03-12 08:27:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rf33yldxy63d4qv5fasluzntnfwisehufn23d7g4xvrlmaqid2mq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250312-lq41dawyav/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f6399b21-d080-43c0-983a-be8d139101fe
Unpacked files
SH256 hash:
8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99
MD5 hash:
449c6834fbe66f37711d1de4666b3e48
SHA1 hash:
1eeb82fd406972c262204a9ec454da719319c150
Link:
https://www.unpac.me/results/5b45bf5b-2a1e-4ec7-bc74-c916bd6dfad5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99

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:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

AgentTesla

7z a59a099df78a6ace7f876d3675af78455371c916fb92ba6acd61a066b5cb00a0

AgentTesla

Executable exe 8977bc2c77c7b63e42bd2824ba65b3696c8910f42b75b1fcdcbd62b602081e99

(this sample)

  
Dropped by
SHA256 a59a099df78a6ace7f876d3675af78455371c916fb92ba6acd61a066b5cb00a0
  
Dropped by
MD5 c132c5a6a84e7bf6713211e9a9ca05a2

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 (GUARD_CF)high

Comments