MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
SHA3-384 hash: dc62e32b7ebdd429cbc770e58926ea6977b9e60f132dfc4c4fd09246a76dcc54fd0656a44a397baa368757e1154875a7
SHA1 hash: cc3012c8a4025f34af991d017100ed5902a380d6
MD5 hash: 3b5b8b48b6725378ad36751cc9433026
humanhash: high-nitrogen-april-gee
File name:RFQ-HBL#GSIH25041980 TCKU7295305 SITF466034 40HC 1 PKG H-A.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:803'328 bytes
First seen:2025-06-05 10:57:22 UTC
Last seen:2025-06-20 08:19:59 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 24576:O7jq/f2rs2NjH/I/LdZAAn1aaqZC5PbkJ669QComzKQwrU:O7jq/f2rs2NjH/I/LdZAAn1aaqZs0Em/
Threatray 554 similar samples on MalwareBazaar
TLSH T13E0573837A976DE1D3EA5736C8AB45100BF8E5833327D71F3D8A23EA29037B65841587
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
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
465
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ-HBL#GSIH25041980 TCKU7295305 SITF466034 40HC 1 PKG H-A.exe
Verdict:
Malicious activity
Analysis date:
2025-06-05 10:58:03 UTC
Tags:
netreactor purecrypter auto-startup evasion stealer ultravnc rmm-tool agenttesla
Link:
https://app.any.run/tasks/7200c85c-9257-4ed3-9699-dd7a64ac421f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/7460/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.14465.1549.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6841793d8bd5d68a12e581c8
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/6841781f171e01f95936f2b8/reports/d3cae6a8-9e13-43ea-9d80-edc0adda5597/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/89bd3607-129e-4209-bb85-58d84495036e
Result
Threat name:
AgentTesla, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1707119
Signature
.NET source code contains potential unpacker
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Installs a global keyboard hook
Joe Sandbox ML detected suspicious 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: HackTool - CACTUSTORCH Remote Thread Creation
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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
Uses threadpools to delay analysis
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
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1707119 Sample: RFQ-HBL#GSIH25041980 TCKU72... Startdate: 05/06/2025 Architecture: WINDOWS Score: 100 61 xma0.com 2->61 63 mail.xma0.com 2->63 65 3 other IPs or domains 2->65 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Multi AV Scanner detection for submitted file 2->101 103 16 other signatures 2->103 9 RFQ-HBL#GSIH25041980 TCKU7295305  SITF466034  40HC 1 PKG H-A.exe 15 6 2->9         started        14 wscript.exe 1 2->14         started        signatures3 process4 dnsIp5 67 drive.google.com 142.251.116.100, 443, 49714 GOOGLEUS United States 9->67 69 drive.usercontent.google.com 142.251.186.132, 443, 49715, 49727 GOOGLEUS United States 9->69 49 C:\Users\user\AppData\Roaming\SessionID.exe, PE32 9->49 dropped 51 C:\Users\...\SessionID.exe:Zone.Identifier, ASCII 9->51 dropped 53 C:\Users\user\AppData\...\SessionID.vbs, ASCII 9->53 dropped 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->105 107 Writes to foreign memory regions 9->107 109 Injects a PE file into a foreign processes 9->109 16 InstallUtil.exe 14 2 9->16         started        20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        111 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->111 24 SessionID.exe 14 3 14->24         started        file6 signatures7 process8 dnsIp9 55 ip-api.com 208.95.112.1, 49724, 49729, 80 TUT-ASUS United States 16->55 57 xma0.com 51.195.65.154, 49725, 49730, 49732 OVHFR France 16->57 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->73 75 Tries to steal Mail credentials (via file / registry access) 16->75 87 2 other signatures 16->87 77 Uses ipconfig to lookup or modify the Windows network settings 20->77 26 conhost.exe 20->26         started        28 ipconfig.exe 1 20->28         started        30 conhost.exe 22->30         started        32 ipconfig.exe 1 22->32         started        59 142.250.115.139, 443, 49726 GOOGLEUS United States 24->59 79 Multi AV Scanner detection for dropped file 24->79 81 Writes to foreign memory regions 24->81 83 Injects a PE file into a foreign processes 24->83 85 Uses threadpools to delay analysis 24->85 34 InstallUtil.exe 24->34         started        37 cmd.exe 24->37         started        39 cmd.exe 24->39         started        signatures10 process11 signatures12 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->89 91 Tries to steal Mail credentials (via file / registry access) 34->91 93 Tries to harvest and steal ftp login credentials 34->93 95 2 other signatures 34->95 41 conhost.exe 37->41         started        43 ipconfig.exe 37->43         started        45 conhost.exe 39->45         started        47 ipconfig.exe 39->47         started        process13
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-05 03:28:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54oxyu4k7emowhq2cthpw63ivpg27uqdlauigr2agjssw4gkg3ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
85100453bb292ca323b9737e73b7ae238d2773dbe547646fec35b6deb9888a3e
AgentTesla
af5511ac5632d5154382e9c786170158411b672c51232626d2e5c11ba64e8ad3
AgentTesla
cab399f07bf9083158af533a84fef44b4ca8b12edc3a9f45a682938c930b4caa
AgentTesla
e210bc2b45485f977738894a7ae88b17d8eeacb381eb3055932f09e866a8e766
AgentTesla
ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7
AgentTesla
ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
AgentTesla
error
AgentTesla
+ 544 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250605-m2fycsgl4z/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fc4ff165-0577-46a7-ada1-18db8ebb8c0b
Unpacked files
SH256 hash:
ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2
MD5 hash:
3b5b8b48b6725378ad36751cc9433026
SHA1 hash:
cc3012c8a4025f34af991d017100ed5902a380d6
Link:
https://www.unpac.me/results/7995b8f6-ed05-4ded-b0e7-caa75d1abb78/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef1d7c538af9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2

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_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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 ef1d7c538af918eb1e1a14cefb7b68abcdafd203582883474032652b70ca36e2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/7460/

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

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