MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abcb32a610543639dd938bd43e5edbf23f266b03cc301a072b8d1cd702b04c2b. 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 17 File information Comments

SHA256 hash: abcb32a610543639dd938bd43e5edbf23f266b03cc301a072b8d1cd702b04c2b
SHA3-384 hash: f5a17a95fd288716a028c5695e909d8c4a346bfcf26e62211058e2613c83c239983282882e0ff0147cc6b967889629a7
SHA1 hash: 7504126a64f987edea04ca7d313d7e3a29a472e1
MD5 hash: a5d7afa4c9b1a0d46e52e7cb373784f5
humanhash: salami-hamper-mockingbird-red
File name:SecuriteInfo.com.Trojan.MSIL.Crypt.15264.7186
Download: download sample
Signature AgentTesla
File size:1'888'256 bytes
First seen:2024-02-01 09:35:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:CG0SvGwAm6Tns5wnyTHHls3+320kurD5+vvKv1mEvFRfCqs2gP22ugq8pcWWB:fZewAm6rXmDcKvfDgPYg5
Threatray 5'257 similar samples on MalwareBazaar
TLSH T1C595B49C766072DFC857C976CAA81C64EA60B4BB530FD203A45712ED9A0DA9BCF144F3
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) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
abcb32a610543639dd938bd43e5edbf23f266b03cc301a072b8d1cd702b04c2b.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 10:27:04 UTC
Tags:
evasion stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 Putty / WinSCP information (sessions, 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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384694 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 61 mail.coperwire.com 2->61 63 ip-api.com 2->63 65 3 other IPs or domains 2->65 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 12 other signatures 2->81 8 SecuriteInfo.com.Trojan.MSIL.Crypt.15264.7186.exe 7 2->8         started        12 ZazJyTDyAYKdhz.exe 5 2->12         started        14 VLYdwNT.exe 2->14         started        16 VLYdwNT.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\ZazJyTDyAYKdhz.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmpDF61.tmp, XML 8->59 dropped 91 Detected unpacking (changes PE section rights) 8->91 93 Detected unpacking (overwrites its own PE header) 8->93 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->95 105 4 other signatures 8->105 18 SecuriteInfo.com.Trojan.MSIL.Crypt.15264.7186.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        33 2 other processes 8->33 97 Antivirus detection for dropped file 12->97 99 Multi AV Scanner detection for dropped file 12->99 101 Machine Learning detection for dropped file 12->101 25 ZazJyTDyAYKdhz.exe 12->25         started        35 2 other processes 12->35 103 Injects a PE file into a foreign processes 14->103 27 VLYdwNT.exe 14->27         started        37 2 other processes 14->37 29 VLYdwNT.exe 16->29         started        31 schtasks.exe 16->31         started        signatures6 process7 dnsIp8 67 api4.ipify.org 64.185.227.156, 443, 49709, 49713 WEBNXUS United States 18->67 69 ip-api.com 208.95.112.1, 49711, 49714, 49720 TUT-ASUS United States 18->69 71 coperwire.com 149.56.180.35, 49712, 49715, 49721 OVHFR Canada 18->71 53 C:\Users\user\AppData\Roaming\...\VLYdwNT.exe, PE32 18->53 dropped 55 C:\Users\user\...\VLYdwNT.exe:Zone.Identifier, ASCII 18->55 dropped 83 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->83 85 Tries to steal Mail credentials (via file / registry access) 18->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->87 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        73 173.231.16.76, 443, 49719, 49722 WEBNXUS United States 27->73 89 Tries to harvest and steal browser information (history, passwords, etc) 29->89 43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-01 08:35:08 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
4ada9d8c371e960de1103fb6161a6bfa791cd637d52e57d25803149d0951281f
MD5 hash:
20c5f8cafb2f670dc7cd97745251c661
SHA1 hash:
cbcdc9c4fe036404144d88fa0b27780297c7f20d
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
SH256 hash:
3303ce968386b931651bf4fccbbcbd800b1494e57b366ccd2279b2c9ed8e9dcb
MD5 hash:
8cdc7fd1bcf314b26c60bcc503536a4b
SHA1 hash:
9ac5f6386148ac998462cc22807a7605b90ef4ce
SH256 hash:
e1e4a09ba34d3a84aa905e6124155d0b5f2b9279fb55921c614b441210acd182
MD5 hash:
c1c2784a91379ab07e6bd90c85be462f
SHA1 hash:
81eb8701762a98c9d5eaa6e1e83a60bcd30935d4
SH256 hash:
c3f7a9a1f22057747d62ac0436211ed72fd7c1656294e300a5f09c929de0d2a5
MD5 hash:
29a61619de04761d8fb86bb3815557db
SHA1 hash:
695994a8743250926a0f65ccf9eb342fedd8783b
SH256 hash:
abcb32a610543639dd938bd43e5edbf23f266b03cc301a072b8d1cd702b04c2b
MD5 hash:
a5d7afa4c9b1a0d46e52e7cb373784f5
SHA1 hash:
7504126a64f987edea04ca7d313d7e3a29a472e1
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:DebuggerCheck__RemoteAPI
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Comments