MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30
SHA3-384 hash: 3cc7c2eedcc191cd891ea19dc43b5d98a888afb6c04b4d948e25c67f30922295ba54b6ff0d6c232d4d47299f1d64f899
SHA1 hash: 3af8050714023b699268fcc09629492b3b58babe
MD5 hash: f461b5fbcb1ebcf6cf9d881dc308e222
humanhash: stream-california-autumn-bacon
File name:SecuriteInfo.com.Win32.PWSX-gen.11921.16258
Download: download sample
Signature AgentTesla
Create hunting rule
File size:863'744 bytes
First seen:2023-10-21 11:49:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:03C5Y7HHuIhOBpeyCnmKLAYgcO6qGOkyhz89m4JFkEIYTAXUOdyGwNJdtMUmkOKE:m/bHzh4eyFKL+cO63z06JHOUZGrUmx
Threatray 612 similar samples on MalwareBazaar
TLSH T12305E1BD31EB6495F476EBF1C3992B8D8B6BF3F5212F77162C8102138421D82EB125A4
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 :
317
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.11921.16258
Verdict:
Malicious activity
Analysis date:
2023-10-21 11:50:53 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/b8cccbad-190e-4f93-a5ed-46461f8b5a36

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11921.16258.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6533baede3768e7905c4b77a/reports/418f7b27-ab88-4672-89ea-17e9143e5fce/overview
Verdict:
Malicious
Labled as:
Trojan.Olock.Generic
Link:
https://www.hybrid-analysis.com/sample/c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/10949396-e89c-4110-a112-416d41d28688
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329665
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert 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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329665 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 21/10/2023 Architecture: WINDOWS Score: 100 34 mail.narbon-co.com 2->34 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 12 other signatures 2->44 8 SecuriteInfo.com.Win32.PWSX-gen.11921.16258.exe 6 2->8         started        12 nyqrNsbOBPd.exe 5 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\nyqrNsbOBPd.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmpFA98.tmp, XML 8->32 dropped 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Writes to foreign memory regions 8->50 52 Injects a PE file into a foreign processes 8->52 14 RegSvcs.exe 2 8->14         started        18 SIHClient.exe 6 8->18         started        20 schtasks.exe 1 8->20         started        54 Antivirus detection for dropped file 12->54 56 Multi AV Scanner detection for dropped file 12->56 58 Machine Learning detection for dropped file 12->58 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 36 mail.narbon-co.com 206.222.8.29, 49716, 49720, 587 ENET-2US United States 14->36 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->62 64 Tries to steal Mail credentials (via file / registry access) 14->64 26 conhost.exe 20->26         started        66 Tries to harvest and steal browser information (history, passwords, etc) 22->66 28 conhost.exe 24->28         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-10-21 09:37:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y3x4v6qzdhydyhcahgla7zckjsjmspst5scjpr7bslyaeryk5qya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
514b7b027e522406396244bfcd1bf8cdd60b967fd99bc9b8bce226dc0eb6e93d
AgentTesla
55e61408253acb2043cd74cae28916dfef364ff8581ff4933e898d41826d5b4a
AgentTesla
5f62b82aba3010c5601596f618738b5c122cda283b924c6586ba24bdae54b011
AgentTesla
6fe23106e705089bc51a81997ce501bc954440f45f8cd425fb23871a3a325886
AgentTesla
9acb3802e7f15ac9c240749ff8c3ebe7a7cd660bedf4b6a6a1edef4de714aa43
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afebc44291db59603826cac90112a97e371aa65fdd92c6da15363253e2dac27d
AgentTesla
ffb16c9e23092b4194b076ed1a8fb847e65051329b025c99ff06088dd760e5a8
AgentTesla
+ 602 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231021-nzlw9sfh86/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Gathering data
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c6efcafa1919/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/c6efcafa1919f03c1c4039960fe44a4c92c93e53ec8497c7e192f002470aec30

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Comments