MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0df39b8c26a1b395b2389908f7dc4781aabba0aa10f4642baf46b8f1a9e2c426. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: 0df39b8c26a1b395b2389908f7dc4781aabba0aa10f4642baf46b8f1a9e2c426
SHA3-384 hash: 8cc84dded558dc80880ada4eecb3dabe219d78c2f144298254f383ffce0094b86c6fa817aea4e454ee6dd199de3800ec
SHA1 hash: 810f2f9576976b3e68a610fbe2797b148c82766c
MD5 hash: 2d291baedb79ee55daa67417103f0905
humanhash: fix-winner-pizza-arkansas
File name:SecuriteInfo.com.Win32.PWSX-gen.4960.23508
Download: download sample
Signature AgentTesla
File size:743'424 bytes
First seen:2024-02-12 19:37:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xB3ZyDQWn9D5M/ANhqLcAofNy+Vr1QP7/rJFaOG9MjuLeBaVkI6omZu:xB3Z4QU9JqqVxQZ4j9Mjy0aVCRZu
TLSH T1ECF4560220284EBECFD10FFAD41F1D520161FD3A9463B56B79437A9866B32CEC1DA5AD
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 55a886b2b2b2964d (2 x Formbook, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
336
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
0df39b8c26a1b395b2389908f7dc4781aabba0aa10f4642baf46b8f1a9e2c426.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 19:41:20 UTC
Tags:
evasion stealer agenttesla

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

Behaviour
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
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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
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
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
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)
Sample uses string decryption to hide its real strings
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 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: 1391079 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 42 us2.smtp.mailhostbox.com 2->42 44 ip-api.com 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 11 other signatures 2->56 8 SecuriteInfo.com.Win32.PWSX-gen.4960.23508.exe 7 2->8         started        12 lnYkIr.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\lnYkIr.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9C71.tmp, XML 8->40 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 70 2 other signatures 8->70 14 SecuriteInfo.com.Win32.PWSX-gen.4960.23508.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        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 24 lnYkIr.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 ip-api.com 208.95.112.1, 49728, 49732, 80 TUT-ASUS United States 14->46 48 us2.smtp.mailhostbox.com 208.91.198.143, 49729, 49735, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->48 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-12 19:38:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
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
AgentTesla
Unpacked files
SH256 hash:
4506fc5de025e6b1356d8091c65e96f287241286d68e009dd63c5cfdee0e4e38
MD5 hash:
bef8a47697cfbd73ab233a3ecf0a47eb
SHA1 hash:
e9e672958138eac97e16004c7c55a8fdd6ecf810
SH256 hash:
b67fd79a0a14d5e3aca0367018b70a4afb20fa26970a6780af57de49d40f5a29
MD5 hash:
26263d1e27d175692315f40959a38c85
SHA1 hash:
7d54b2a9dfca5897d9bb00b4a6a01b2e26a134c8
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:
a6129d83d39563e5918856d2750b05af4604bf1d09b6766b0d8ad546090443f4
MD5 hash:
0047fe62cb42f86da6ff75e96c084a85
SHA1 hash:
4fd7be0df17ce0bfd02306e8c9206d091a844449
SH256 hash:
64b4a90a33e4165d6797972517215f13e7889ece996b0a1b68b8ce351b717588
MD5 hash:
0ce54b55cd1e1307baf184493527bb8b
SHA1 hash:
1ac8e5d4261b8906198437f9fd93159c0827f457
SH256 hash:
0df39b8c26a1b395b2389908f7dc4781aabba0aa10f4642baf46b8f1a9e2c426
MD5 hash:
2d291baedb79ee55daa67417103f0905
SHA1 hash:
810f2f9576976b3e68a610fbe2797b148c82766c
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: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: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