MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ed2d924f6497474cedbed05cafbfe26a6ea62b0465db3cd62d450067aab388. 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 20 File information Comments 1

SHA256 hash: b5ed2d924f6497474cedbed05cafbfe26a6ea62b0465db3cd62d450067aab388
SHA3-384 hash: 01ed14f08af118c2529e539586005182cc1e0052bb1dc1d67a9f8cf7c7dd5d1f262ac3806c9474deb7e14331a08f25c9
SHA1 hash: ddeddc9656af89cb58120a9ac2f1d8e919437383
MD5 hash: 986a048eb1d47acb95947bc2591d1e9d
humanhash: burger-idaho-avocado-fix
File name:986a048eb1d47acb95947bc2591d1e9d
Download: download sample
Signature AgentTesla
File size:885'760 bytes
First seen:2024-05-15 08:27:28 UTC
Last seen:2024-05-15 09:35:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:hesHteUPhuaUTO5N5r44Hfpq6zlD5yLpy2P/sVcDp50JsXspRWawCYMjhvPie/rJ:GU5DrZHTlD5y1D/BJoWawCYMFniyy
TLSH T18E15AC9876C0769EC867C4F38A783CECA661646AC30B9273A03F15ADDD3D587DF141A2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon d1d0e8e8e4f4ecd4 (30 x AgentTesla, 18 x RedLineStealer, 16 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
390
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
b5ed2d924f6497474cedbed05cafbfe26a6ea62b0465db3cd62d450067aab388.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 08:28:29 UTC
Tags:
evasion agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
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 a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441831 Sample: RfN6am4LFs.exe Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 27 us2.smtp.mailhostbox.com 2->27 29 api.ipify.org 2->29 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 9 other signatures 2->51 7 RfN6am4LFs.exe 3 2->7         started        10 mpTrle.exe 3 2->10         started        12 mpTrle.exe 2 2->12         started        signatures3 process4 signatures5 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 14 RfN6am4LFs.exe 16 5 7->14         started        55 Antivirus detection for dropped file 10->55 57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 19 mpTrle.exe 14 2 10->19         started        21 mpTrle.exe 2 12->21         started        process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.223, 49705, 49715, 49717 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 33 api.ipify.org 172.67.74.152, 443, 49704, 49711 CLOUDFLARENETUS United States 14->33 23 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 14->23 dropped 25 C:\Users\user\...\mpTrle.exe:Zone.Identifier, ASCII 14->25 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal ftp login credentials 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Threat name:
Win32.Trojan.Grandoreiro
Status:
Malicious
First seen:
2024-05-15 03:43:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
9f365a320405be969719491d46191fefa4e6a731684ed9fb6bcaa72bc6c1126e
MD5 hash:
63e615e39e78c95da103a5917a1be5e1
SHA1 hash:
e254316bc7025b7ce4e7f87148940588eab3d0a9
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_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
SH256 hash:
7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a
MD5 hash:
2c3f7108d4525ac2856cb70871f15c32
SHA1 hash:
5d04332dac4d5324d89ebca26a2a609b8fd9895e
SH256 hash:
214016bb099f34d70afa92bd673dffcff264964da0604af7ea1b8cbc025beb66
MD5 hash:
e2e2922f302f83176bd24599edcb122a
SHA1 hash:
397c51648c1e58bf2acd76ac8af66188e5849f78
SH256 hash:
8213a6a34c36db37675298dcbbbb36451ddf233c1af7e8783be225d3e4c08271
MD5 hash:
a2f5dafc17432fdea2f85c9c972167ca
SHA1 hash:
004139faa5268e3fd9fcc92710d0e331d32a2d7b
SH256 hash:
b5ed2d924f6497474cedbed05cafbfe26a6ea62b0465db3cd62d450067aab388
MD5 hash:
986a048eb1d47acb95947bc2591d1e9d
SHA1 hash:
ddeddc9656af89cb58120a9ac2f1d8e919437383
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Web download

AgentTesla

Executable exe b5ed2d924f6497474cedbed05cafbfe26a6ea62b0465db3cd62d450067aab388

(this sample)

  
Delivery method
Distributed via web download

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



Avatar
zbet commented on 2024-05-15 08:27:29 UTC

url : hxxp://192.3.239.30/25095/spoolsv.exe