MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
SHA3-384 hash: f916e51f7294be7ed5a42d2140a060a7f4cd8aadd22ae11e5645525bfa3d3874d01f8a562246fbc71546b20cfa29b6ab
SHA1 hash: 91fd05be80a896df2bd60ebf5be9c0d07850c677
MD5 hash: f93d48828509294e4b2b37d654c0b7da
humanhash: skylark-california-kentucky-steak
File name:SecuriteInfo.com.Win32.PWSX-gen.17137.26815
Download: download sample
Signature AgentTesla
Create hunting rule
File size:677'888 bytes
First seen:2024-02-13 04:58:12 UTC
Last seen:2024-02-13 15:43:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:dhjeQ5vziWyb8R+cFB7J02Mpj1yVpBJO+E9vuORuwZIXWFwG:dhjriWUcFdK2M3y9YvucuG4gw
Threatray 315 similar samples on MalwareBazaar
TLSH T192E423114218B273DAFC5BFD2492078733B383AB6195FA497F40659EACB7B0B6315227
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ccba71ecccc071b2 (3 x AgentTesla, 3 x Formbook, 1 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 04:59:52 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/8ecc8721-f31a-4dca-a1a0-9f96a96caf92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475919/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.17137.26815.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65caf716179f724a95506717/reports/58b9ede5-17cb-44ac-8831-3d7eb4b15f0a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
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/c32d1cc1-ce6c-4aa9-9f2e-3df9315a0842
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391189
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391189 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 40 mail.classicbd.com 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 10 other signatures 2->50 8 SecuriteInfo.com.Win32.PWSX-gen.17137.26815.exe 7 2->8         started        12 lSafEZYzvk.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\lSafEZYzvk.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpA23B.tmp, XML 8->38 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 14 SecuriteInfo.com.Win32.PWSX-gen.17137.26815.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 22 lSafEZYzvk.exe 12->22         started        24 schtasks.exe 1 12->24         started        26 lSafEZYzvk.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.classicbd.com 119.148.26.9, 49708, 49711, 49722 AGNI-ASAgniSystemsLimitedBD Bangladesh 14->42 62 Installs a global keyboard hook 14->62 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->64 66 Tries to steal Mail credentials (via file / registry access) 22->66 68 Tries to harvest and steal browser information (history, passwords, etc) 22->68 34 conhost.exe 24->34         started        signatures9 process10
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 04:14:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=flbr6i36cdblg4guk5vaswd2vtmsrokiet7avicumfxr4gowlicq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
AgentTesla
358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58
AgentTesla
8f9500ab199475ccae799126de8156b316fb9b200e1f3429b7b5b5baece8ab46
AgentTesla
ccf1ae0cee4b76ff4f81cba060d3da0e91c79c40d25a837f778a2e70191abef1
AgentTesla
dd1b9df3928204470b92c27fa3941717704b30f3f25bb7c54deb251dde912318
AgentTesla
e7e75eae5d4bf17651e97bb0119c666e8db5c4f52fc60e5bf9d3a55155c2dd47
AgentTesla
+ 305 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/240213-fmd2wsdh75/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
6e6731aa86a37096d999ab150bccf364a50308441fcc5c01d30330016e25aaab
MD5 hash:
9e23a135d354f092574b80b91937f562
SHA1 hash:
c7237f03e0ea945ee9365f00c0b2447849370023
Link:
https://www.unpac.me/results/7d6778ec-2a55-4efa-b3ba-39466224c84c/
SH256 hash:
d2b6f3aff25aad88581f708dfb7cd2b47969cd264593a105ce292645b69bee30
MD5 hash:
ed6f295430bb064532a9a2f44ef44211
SHA1 hash:
9d96cb68827a23c68832543a3ca53a6c3a5c5d00
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/7d6778ec-2a55-4efa-b3ba-39466224c84c/
Parent samples :
358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58
dd1b9df3928204470b92c27fa3941717704b30f3f25bb7c54deb251dde912318
2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
1b145595fb003727cf021147e41a84381589db8a7f5c1f4c712d5586730ccb56
94a6f7a5c077f952dbe1831007d662edc3743b2794f02b241ff493026edb4a33
SH256 hash:
fe28a4bd94607da0d4a77febd6f074608ee40b535422b7859c96d24d5d3a4175
MD5 hash:
f1c5a4c9313d1f4a7aefb01f2303e4c9
SHA1 hash:
4d1df4d20d2545af4b6bba126004ee3269b06f53
Link:
https://www.unpac.me/results/7d6778ec-2a55-4efa-b3ba-39466224c84c/
SH256 hash:
b4fc102740ea308ce26bcb2b5730cd46e55109312437912504b9ea830e63496e
MD5 hash:
fbb046dd369cca5c8972bffc7502672b
SHA1 hash:
2fe8c5cb63bc43c65dd541d760df5ac0333a0dc7
Link:
https://www.unpac.me/results/7d6778ec-2a55-4efa-b3ba-39466224c84c/
SH256 hash:
2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05
MD5 hash:
f93d48828509294e4b2b37d654c0b7da
SHA1 hash:
91fd05be80a896df2bd60ebf5be9c0d07850c677
Link:
https://www.unpac.me/results/7d6778ec-2a55-4efa-b3ba-39466224c84c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ac31f237e10/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/2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

Malspam

AgentTesla

rar c7e140758571cb238668d9ff04180979fe9568fb19c5c021605d91d5eebe9847

AgentTesla

Executable exe 2ac31f237e10c2b370d4576a09587aacd928b94824fe0aa054616f1e19d65a05

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/475919/
  
Dropped by
SHA256 c7e140758571cb238668d9ff04180979fe9568fb19c5c021605d91d5eebe9847
  
Dropped by
MD5 bdeb7d2dfeb8516ea5703c3716da184a

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