MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments

SHA256 hash: 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
SHA3-384 hash: b736ee69c42b9b1153eb890c296ee35f77a97f71f54e816940a8c46ad71f434d140d01052282aee558735314cf040f71
SHA1 hash: 8d0fd707e8c0c484c1d75e458204e633088fbbe4
MD5 hash: 68c491ae5f9ec65b173de12aa68a33e9
humanhash: hawaii-massachusetts-april-five
File name:RFQ #HU4759GK3891.scr
Download: download sample
Signature AgentTesla
File size:714'752 bytes
First seen:2024-08-25 09:20:32 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:q42iNvFIsPAA+9dwNbAMcEqgdqVx5G5RjW0lyDIwfY:f1DIKj2O9A5CdM+jW/8w
Threatray 1'723 similar samples on MalwareBazaar
TLSH T17DE4125336E49B75C27B5BF606764421077A36467272F2664DC730EE2CBAB045322F2B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 64ccc4d4e8e0d4cc (6 x Formbook, 5 x AgentTesla, 2 x GuLoader)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
401
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RFQ #HU4759GK3891.scr
Verdict:
Malicious activity
Analysis date:
2024-08-25 09:28:09 UTC
Tags:
netreactor stealer evasion agenttesla exfiltration smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Loading BitLocker PowerShell Module
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts 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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498630 Sample: RFQ #HU4759GK3891.scr.exe Startdate: 25/08/2024 Architecture: WINDOWS Score: 100 46 mail.merlinmotorworks.com 2->46 48 ip-api.com 2->48 50 15.164.165.52.in-addr.arpa 2->50 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 18 other signatures 2->62 8 RFQ #HU4759GK3891.scr.exe 7 2->8         started        12 vmWHtb.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\vmWHtb.exe, PE32 8->38 dropped 40 C:\Users\user\...\vmWHtb.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp14B1.tmp, XML 8->42 dropped 44 C:\Users\...\RFQ #HU4759GK3891.scr.exe.log, ASCII 8->44 dropped 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->64 66 Adds a directory exclusion to Windows Defender 8->66 68 Injects a PE file into a foreign processes 8->68 14 RFQ #HU4759GK3891.scr.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->74 76 Machine Learning detection for dropped file 12->76 24 vmWHtb.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 mail.merlinmotorworks.com 101.100.211.31, 49705, 49708, 587 VODIEN-AS-AP-LOC2VodienInternetSolutionsPteLtdSG Singapore 14->52 54 ip-api.com 208.95.112.1, 49703, 49707, 80 TUT-ASUS United States 14->54 78 Loading BitLocker PowerShell Module 18->78 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-17 06:42:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 38 (71.05%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery execution keylogger spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7d4c0bffdb77a4ec94df9a0a310555b442e5c4f6da74088bb9997d16ce651724
MD5 hash:
453814c3623372babe528b3eb8a99958
SHA1 hash:
8ec990f48310479f0657252542644b64fce49bf4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b23c1de4030fddc09f1f78e09472461b22c095bd370263b51db4f6ec428bfbc6
MD5 hash:
96639127996a8cac212d34afaa291f4c
SHA1 hash:
5849c6d775ce4584cfecf703cd814fef57ce36da
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
SH256 hash:
4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
MD5 hash:
68c491ae5f9ec65b173de12aa68a33e9
SHA1 hash:
8d0fd707e8c0c484c1d75e458204e633088fbbe4
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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