MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8
SHA3-384 hash: 414d4ac2ae0e47352c757292e06321b03066f67d90afbdec7525be90591f51592d00a0db66c4b18a2818a68c3c2518bc
SHA1 hash: ea20a3328ba907263eb7505b694a85ded843c7bf
MD5 hash: 24a77aa842b405569db9ce0d3d4b83c9
humanhash: bulldog-mango-october-nine
File name:rIMG_1160_3079.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'521'272 bytes
First seen:2025-02-11 00:00:08 UTC
Last seen:2025-02-11 00:52:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:eTFazmaNQyJNyeazknKKKKKKn/1SD2OuaACaDAyCE7ykral6V:es1Azw1i2yACuAjENraIV
TLSH T11465D006F6BA8B95CA81673ED8E34E3942A8DD41664AD30B33DE3F9935737149FC1242
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
File icon (PE):PE icon
dhash icon 27f0d8d4d4d8f027 (16 x AgentTesla, 6 x NanoCore, 5 x DarkCloud)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
655
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
rIMG_1160_3079.exe
Verdict:
Malicious activity
Analysis date:
2025-02-11 00:02:37 UTC
Tags:
stealer evasion purecrypter smtp netreactor agenttesla
Link:
https://app.any.run/tasks/0516bf13-2130-4209-b778-a97131dbcd7c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.15079.14971.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67aa933cf667f46cd182e697
Tags:
injection autorun virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8
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:
Malicious
Link:
https://analyze.intezer.com/analyses/becd70c5-b3a4-43c2-a8cd-bf61e679df21
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1611598
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Drops script at startup location
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)
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: 1611598 Sample: rIMG_1160_3079.exe Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 30 oshi.at 2->30 32 api.ipify.org 2->32 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 10 other signatures 2->60 8 rIMG_1160_3079.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 34 oshi.at 194.15.112.248, 443, 49707, 49715 INTERNATIONAL-HOSTING-SOLUTIONS-ASEUDCrouteGB Ukraine 8->34 24 C:\Users\user\AppData\Roaming\iulue.exe, PE32 8->24 dropped 26 C:\Users\user\...\iulue.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Roaming\...\iulue.vbs, ASCII 8->28 dropped 70 Drops VBS files to the startup folder 8->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->72 74 Writes to foreign memory regions 8->74 76 Injects a PE file into a foreign processes 8->76 15 InstallUtil.exe 14 2 8->15         started        78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->78 19 iulue.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 36 162.254.34.31, 49714, 49717, 587 VIVIDHOSTINGUS United States 15->36 38 api.ipify.org 104.26.13.205, 443, 49712, 49716 CLOUDFLARENETUS United States 15->38 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Multi AV Scanner detection for dropped file 19->46 48 Machine Learning detection for dropped file 19->48 50 Writes to foreign memory regions 19->50 52 Injects a PE file into a foreign processes 19->52 21 InstallUtil.exe 2 19->21         started        signatures10 process11 signatures12 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->62 64 Tries to steal Mail credentials (via file / registry access) 21->64 66 Tries to harvest and steal ftp login credentials 21->66 68 Tries to harvest and steal browser information (history, passwords, etc) 21->68
Score:
64%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-02-11 00:00:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bcwvnfdnejyc554d2opbm5dfm4xbw7kpqfourjfh5xheyg4zhua._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250211-aagz5asphy/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/63b3cb66-7ab3-482b-bbed-7abafd78ac37
Unpacked files
SH256 hash:
d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8
MD5 hash:
24a77aa842b405569db9ce0d3d4b83c9
SHA1 hash:
ea20a3328ba907263eb7505b694a85ded843c7bf
Link:
https://www.unpac.me/results/44a20c21-1c39-4889-bc9e-7caba790af75/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d8456ab4a369/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
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

Executable exe d8456ab4a369138177bc1e9cf0b3a32b3970dbea7c0aea45253f6e7260dcc9e8

(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 (GUARD_CF)high

Comments